KR102311660B1 - A wireless controlling apparatus and method for haptic device - Google Patents

Abstract

A control apparatus and method for controlling the operation of a haptic device are disclosed. The control device may include: a haptic pattern data generator configured to generate first haptic pattern data corresponding to a bit pattern of content; a wireless data generator configured to generate wireless data including identification data for one or more target haptic devices that will receive the first haptic pattern data and the first haptic pattern data; and a wireless data transmitter for transmitting the generated wireless data through an antenna.

Description

A WIRELESS CONTROLLING APPARATUS AND METHOD FOR HAPTIC DEVICE

The following description relates to an apparatus and method for controlling a motion of a haptic device.

As the grafting of touch screen technology to smart devices is common, the use of mechanical buttons is gradually decreasing. However, consumers who are accustomed to the existing mechanical buttons have a desire to get the touch feeling of the mechanical buttons even in smart devices. The haptic device may provide the user with an appropriate haptic feedback in the user interface in order to satisfy the needs of these consumers, thereby providing a sense of touch that can be felt in an existing mechanical button. Haptic devices not only provide a sense of touch on the user interface, but also provide haptic feedback suitable for the situation to audiences participating in various performances and sports events to provide a higher level of immersion in performances and sports events. can

On the other hand, in the prior art, there is a technology that provides a sense of immersion to the audience through the stage lighting is controlled wirelessly in performances and sports events. However, in the case of using haptic technology, it is possible to provide a higher level of immersion to the audience by providing an appropriate haptic stimulus corresponding to the event situation of a performance or sporting event. In addition, haptic technology enables people with visual or hearing impairments to enjoy performances and sports events through haptic stimulation.

According to an embodiment, a control device for controlling an operation of a haptic device includes: a haptic pattern data generator configured to generate first haptic pattern data corresponding to a bit pattern of content; a wireless data generator configured to generate wireless data including identification data for one or more target haptic devices that will receive the first haptic pattern data and the first haptic pattern data; and a wireless data transmitter for transmitting the generated wireless data through an antenna.

The control device stores haptic pattern data for storing at least one of first haptic pattern data previously generated in response to a bit pattern of the content and second haptic pattern data previously generated in response to a specific bit pattern for implementing an event effect It may include more wealth.

The wireless data generator may generate wireless data including identification data for one or more haptic devices that will receive the second haptic pattern data and the second haptic pattern data.

The wireless data generator may generate wireless data including a haptic pattern data indicator for selecting at least one of the first haptic pattern data and the second haptic pattern data stored in the haptic device.

The control device further includes a lighting pattern data generator for generating lighting pattern data for the one or more haptic devices, and the wireless data may further include the lighting pattern data.

The lighting pattern data generation unit may determine a lighting pattern to be applied to the one or more haptic devices based on stage lighting data, and generate the lighting pattern data based on the determined lighting pattern.

The haptic device includes: a wireless data receiver configured to receive wireless data from a control device; a haptic pattern data extraction unit for extracting haptic pattern data from the wireless data; an actuator that generates a haptic stimulus; and an actuator controller configured to generate a control signal for controlling the actuator based on the extracted haptic pattern data.

The haptic pattern data may include at least one of first haptic pattern data corresponding to a bit pattern of content and second haptic pattern data corresponding to a specific bit pattern for implementing an event effect.

The haptic device includes a haptic pattern data storage unit configured to store at least one of first haptic pattern data previously generated in response to a bit pattern of content and second haptic pattern data previously generated in response to a specific bit pattern for implementing an event effect. may include more.

A method of providing wireless data includes: generating first haptic pattern data corresponding to a bit pattern of content; generating wireless data including identification data for one or more target haptic devices that will receive the first haptic pattern data and the first haptic pattern data; and transmitting the generated wireless data through an antenna.

The wireless data providing method includes: storing second haptic pattern data corresponding to a specific bit pattern for implementing an event effect in a haptic pattern data storage unit; and generating wireless data including identification data for one or more target haptic devices that will receive the second haptic pattern data and the second haptic pattern data.

1 is a diagram for explaining an example of a wireless control system for a haptic device according to an embodiment.
2 is a diagram illustrating a configuration of a wireless control system for a haptic device according to an embodiment.
3 is a diagram illustrating a configuration of a control device according to an embodiment.
4A is a flowchart illustrating an operation of a method for extracting an audio bit pattern from an audio signal of content data received by a haptic pattern data generator using a Fast Fourier Transform (FFT) according to an embodiment.
FIG. 4B is a diagram for explaining an example in which a haptic pattern data generator separates an audio signal of a frequency band including target bit pattern information by using FFT according to an embodiment.
5A is a flowchart illustrating an operation of a method in which a haptic pattern data generator extracts an audio bit pattern from an audio signal by using a discrete wavelet transform according to another exemplary embodiment.
FIG. 5B is a diagram for describing a process in which a haptic pattern data generator divides an audio signal into frequency bands through discrete wavelet transform according to another exemplary embodiment.
7 is a diagram illustrating an example of the configuration of a performance hall admission system using a haptic device and an RFID tag according to an embodiment.
8 is a flowchart illustrating an operation of a method for providing wireless data for controlling an operation of a haptic device by a control device according to an exemplary embodiment.
9 is a flowchart illustrating an operation of a method for generating a haptic stimulus by a haptic device according to an exemplary embodiment.

Structural or functional descriptions of the embodiments are disclosed for purposes of illustration only, and may be changed and implemented in various forms. Accordingly, the scope of the present specification is not limited to the specific forms of the disclosed embodiments, but includes changes, equivalents, or substitutes included in the described technical spirit.

Although terms such as first or second may be used to describe various components, these terms should be interpreted only for the purpose of distinguishing one component from another. For example, a first component may be termed a second component, and similarly, a second component may also be termed a first component.

When a component is referred to as being “connected to” another component, it may be directly connected or connected to the other component, but it should be understood that another component may exist in between.

The singular expression includes the plural expression unless the context clearly dictates otherwise. As used herein, terms such as "comprise" or "have" are intended to designate that the described feature, number, step, operation, component, part, or combination thereof exists, and includes one or more other features or numbers, It should be understood that the possibility of the presence or addition of steps, operations, components, parts or combinations thereof is not precluded in advance.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art. Terms such as those defined in a commonly used dictionary should be interpreted as having a meaning consistent with the meaning in the context of the related art, and should not be interpreted in an ideal or excessively formal meaning unless explicitly defined in the present specification. does not

On the other hand, when a certain embodiment can be implemented differently, a function or operation specified in a specific block may be performed differently from the flowchart. For example, two consecutive blocks may be performed substantially simultaneously, or the order of the blocks may be reversed according to a related function or operation.

Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. In the description with reference to the accompanying drawings, the same components are assigned the same reference numerals regardless of the reference numerals, and overlapping descriptions thereof will be omitted.

1 is a diagram for explaining an example of a wireless control system for a haptic device according to an embodiment.

A wireless control system for a haptic device may provide a higher level of immersion by providing a haptic stimulus and a lighting effect corresponding to the content provided to content consumers through the haptic device. The content 110 provided to content consumers may be a singer's concert performance or a sports game, but is not limited thereto. Referring to FIG. 1 , while content 110 such as a concert performance is provided, content consumers use haptic stimulation and/or lighting effects provided through the haptic devices 131 , 133 , and 135 possessed by content consumers 110 . ) can experience a higher level of immersion. Haptic devices 131 , 133 , 135 may provide specific haptic stimuli and/or lighting effects to content consumers.

The haptic devices 131 , 133 , and 135 may provide haptic stimulation of a specific pattern to users based on haptic pattern data corresponding to an audio signal of the provided content data. For example, the haptic devices 131 , 133 , and 135 may provide a user with a haptic stimulus corresponding to a beat pattern of a song in a concert performance. As another example, when the haptic devices 131 , 133 , and 135 are used in a baseball game, the haptic devices 131 , 133 , and 135 may provide a user with a haptic stimulus corresponding to the sound of hitting a baseball by a batter. can

In another embodiment, the haptic devices 131 , 133 , and 135 provide haptic stimulation to users of the haptic devices 131 , 133 , 135 based on haptic pattern data corresponding to a specific bit pattern for implementing an event effect. can do. For example, an event effect may include an effect that corresponds to a specific gesture of a singer at a concert, an effect that makes it rain, an effect that represents a specific mood (e.g., a ferocious mood, a gloomy mood, etc.), an effect that represents a heartbeat, but However, the present invention is not limited thereto. The haptic devices 131 , 133 , and 135 may provide a predetermined haptic stimulus to a user in response to a specific bit pattern for implementing an event effect.

In another embodiment, the haptic devices 131 , 133 , and 135 may provide the user with a lighting effect of a pattern determined based on stage lighting data of the provided content. For example, the stage lighting data may include lighting pattern data provided through the lighting device 113 used in a singer's concert, and the haptic devices 131 , 133 , 135 may be configured by a user through a built-in lighting device. may provide a lighting effect corresponding to the lighting pattern data of the stage lighting data.

The haptic devices 131 , 133 , and 135 may be classified into user groups 121 , 123 , and 125 based on respective identification data. The haptic devices 131 , 133 , and 135 may receive different haptic pattern data or lighting pattern data according to the classified user groups 121 , 123 , and 125 , and the received haptic pattern data or lighting pattern data Based on different patterns of haptic stimulation and/or lighting effects may be provided to users.

It is assumed that the haptic devices 131 , 133 , and 135 are classified into user group A 121 , user group B 123 , and user group C 125 based on identification data of the haptic device. For example, the haptic devices classified into the user group A 121 may provide a haptic stimulus corresponding to the beat pattern of the base and a red light to the users of the user group A 121, and the user group B 123 ), the haptic devices classified into the user group B 121 may provide a haptic stimulus corresponding to the drum beat pattern and blue light to the users of the user group B 121, and the haptic devices classified into the user group B 123 may provide a haptic stimulus corresponding to the drum beat pattern. A haptic stimulus corresponding to the beat pattern and a green light may be provided to users of the user group C 121 .

2 is a diagram illustrating a configuration of a wireless control system for a haptic device according to an embodiment.

Referring to FIG. 2 , a wireless control system for a haptic device receives input data, and a control device 210 that controls the haptic device based on the received input data and a haptic device that provides haptic stimulation and lighting effects to a user (220). The input data may include, for example, one or more of content data, event effect data, and stage lighting data. For example, the content data may be data including content such as a performance event or a sports event to which the haptic device 220 is applied. The type of content data is not limited to the presented example, and may include content provided in any event to which the haptic device 220 is applied. The content data may include an audio signal of the provided content, the event effect data may include data representing an event effect provided from the content, and the stage lighting data may include data about a lighting pattern of an environment in which the content is provided. may include According to an embodiment, when the haptic device 220 is applied to a stage performance, the control device 210 may be installed near the stage to control the haptic device of the audience. The installation location of the control device is not limited to the illustrated example. According to an embodiment, the haptic device 220 may be in the form of a wearable device that audiences can wear in the case of a concert performance or in the form of a light stick, but is not limited thereto. The configuration and operation of the control device 210 and the haptic device 220 will be described in more detail below with reference to the accompanying drawings. Meanwhile, hereinafter, the term 'haptic pattern data' is used as a term encompassing first haptic pattern data and second haptic pattern data, which will be described below.

3 is a diagram illustrating a configuration of a control device according to an embodiment.

Referring to FIG. 3 , the control device 300 includes a receiving unit 310 for receiving input data, a haptic pattern data generating unit 320 for generating haptic pattern data, and lighting pattern data corresponding to the lighting pattern of stage lighting. The lighting pattern data generation unit 360, the wireless data generation unit 330 for generating wireless data to be transmitted to the haptic device, the haptic pattern data storage unit 340 for storing the haptic pattern data, and the generated wireless data to the haptic device. and a wireless data transmitter 350 for transmitting.

The receiver 310 may receive content data for generating haptic pattern data, event effect data, and stage lighting data for generating lighting pattern data. The haptic pattern data generator 320 may generate first haptic pattern data corresponding to the bit pattern of the content. For example, the bit pattern of the content may be an audio bit pattern of an audio signal included in the content data received through the receiver 310 . The haptic pattern data generator 320 may extract an audio bit pattern from an audio signal included in the content data received through the receiver 310 and generate first haptic pattern data corresponding to the extracted audio bit pattern. An operation in which the haptic pattern data generator 320 extracts the audio bit pattern from the audio signal of the content data will be described in detail below with reference to FIGS. 4A, 4B, 5A, and 5B.

According to another embodiment, the haptic pattern data generator 320 may generate second haptic pattern data corresponding to a specific bit pattern for implementing an event effect. For example, an event effect may include an effect that corresponds to a specific gesture of a singer at a concert, an effect that makes it rain, an effect that represents a specific mood (e.g., a ferocious mood, a gloomy mood, etc.), an effect that represents a heartbeat, but However, the present invention is not limited thereto. The haptic pattern data generating unit 320 may generate second haptic pattern data corresponding to a specific bit pattern for implementing an event effect indicated by the event effect data received through the receiving unit 310 . For example, if the event effect is an effect representing an enthusiastic atmosphere, the haptic pattern data generating unit 320 generates second haptic pattern data of a fast and intense bit pattern capable of expressing an enthusiastic atmosphere in response to the event effect. can

According to an embodiment, the haptic pattern data generator 320 may generate first haptic pattern data that is distinguished from each other for each group of haptic devices. The haptic pattern data generator 320 may generate first haptic pattern data that is distinguished from each other for each group of haptic devices even for the same content data. For example, the haptic pattern data generating unit 320 may generate haptic pattern data corresponding to a beat pattern of a base according to a group of haptic devices based on the content data for a concert performance received through the receiving unit 310, and a drum beat. The first haptic pattern data may be generated by distinguishing the haptic pattern data corresponding to the pattern. Also, the haptic pattern data generator 320 may generate second haptic pattern data that is distinguished from each other for each group of haptic devices.

The haptic pattern data storage unit 340 may store haptic pattern data previously generated through the haptic pattern data generation unit 320 . For example, the haptic pattern data stored in the haptic pattern data storage unit 340 may include first haptic pattern data generated based on a bit pattern of content and a second haptic pattern corresponding to a specific bit pattern for implementing an event effect. It may contain data.

The wireless data generator 330 may generate wireless data including identification data for one or more target haptic devices that will receive the haptic pattern data, and haptic pattern data to be transmitted to the target haptic device. The identification data for the target haptic device may have a unique value according to the haptic device, and the wireless data generator 330 may receive the identification data from the haptic device.

According to an embodiment, the wireless data generating unit 330 includes first haptic pattern data generated in real time based on a content bit pattern included in the content data received in real time through the receiving unit 310 and the generated first haptic data. Wireless data may be generated that includes identification data for one or more target haptic devices to receive the pattern data.

According to another embodiment, the wireless data generating unit 330 may generate at least one of the first haptic pattern data and the second haptic pattern data that is generated in advance and stored in the haptic pattern data storage unit 340 before content is provided. Wireless data including haptic pattern data and identification data for a target haptic device may be generated. The wireless data generator 330 may generate wireless data by selecting at least one of stored haptic pattern data corresponding to at least one of received content data or event effect data, without generating haptic pattern data in real time. .

According to another embodiment, the wireless data generator 330 includes a haptic pattern data indicator and a target for selecting at least one of the first haptic pattern data and the second haptic pattern data stored in the target haptic device. It is possible to generate wireless data including identification data for the haptic device. The control device 300 transmits a haptic pattern data indicator corresponding to the received content data or event data from the target haptic device through wireless data, and the target haptic device stores a haptic pattern stored in the target haptic device corresponding to the received data indicator. The haptic stimulus may be generated based on at least one of the data.

The wireless data generated by the wireless data generator 330 may further include motion control data related to the operation of the target haptic device. For example, the motion control data may include data capable of adjusting a haptic stimulation period, haptic stimulation intensity, and the like of the haptic device. According to another embodiment, the wireless data generated by the wireless data generator 330 may further include lighting pattern data for controlling the lighting effect of the haptic device.

The wireless data transmitter 350 may transmit the wireless data generated by the wireless data generator 330 through an antenna. The wireless data transmitter 350 may include a wireless communication chip capable of communicating through wireless communication channels of different frequency bands, and transmits wireless data through wireless communication channels of a plurality of frequency bands using a multi-channel antenna to a haptic device. can be sent to The wireless data transmitter 350 transmits wireless data through wireless communication channels of a plurality of frequency bands, thereby ensuring stability and reliability of wireless data transmission.

The lighting pattern data generator 360 may determine a lighting pattern to be applied to the haptic device based on the stage lighting data received through the receiver 310 , and generate lighting pattern data based on the determined lighting pattern. For example, the lighting pattern data generation unit 360 scales the received stage lighting data to a form applicable to a haptic device, and determines a lighting pattern corresponding to a change in stage lighting based on the scaled stage lighting data, Lighting pattern data may be generated based on the determined lighting pattern. The lighting pattern data generator 360 may generate different lighting pattern data for each group of haptic devices. For example, the lighting pattern data generator 360 may generate lighting pattern data that can apply lighting of different colors to a haptic according to a group of haptic devices.

4A is a flowchart illustrating a method for a haptic pattern data generator to extract an audio bit pattern from an audio signal of content data received using FFT, according to an exemplary embodiment.

Referring to FIG. 4A , in step 411 , the haptic pattern data generator may segment an input audio signal to perform FFT on the audio signal. Segmentation means dividing an audio signal into an arbitrary number of data streams. For example, the haptic pattern data generator may segment the audio signal into 256 or 1024 data streams in order to smoothly perform FFT on the audio signal. Here, the number of segmented data columns is not limited to the above example.

In operation 412, the haptic pattern data generator may perform FFT on the segmented audio signal to convert the audio signal from the time domain to the frequency domain. In operation 413, the haptic pattern data generator may divide the audio signal converted into the frequency domain for each frequency band. The haptic pattern data generator may divide the audio signal converted into the frequency domain into a plurality of frequency bands to obtain an audio signal of a frequency band including a desired audio bit pattern.

In operation 414, the haptic pattern data generator may select a signal of one or more frequency bands including target bit pattern information from among the audio signals divided for each frequency band. For example, the haptic pattern data generator may select one or more frequency band signals including bit pattern information to be extracted, such as information on bit patterns excluding noise of the audio signal, and bit pattern information on a specific instrument of the audio signal. have. According to an embodiment, when the haptic pattern data generator intends to generate the mono-type first haptic pattern data, in step 414, the haptic pattern data generator selects a signal of a low frequency band including the desired bit pattern information. have.

According to another embodiment, when the haptic pattern data generator intends to generate the first haptic pattern data in a stereo form, in step 414, the haptic pattern data generator includes a low-frequency band signal and a high-frequency band including target bit pattern information. You can select two channels corresponding to the signal of .

In operation 415, the haptic pattern data generator may perform Inverse Fast Fourier Transformation (IFFT) on the audio signal of the selected frequency band. The haptic pattern data generator may convert an audio signal of a frequency band selected through IFFT from the frequency domain to the time domain.

In operation 416 , the haptic pattern data generator may perform a smoothing process on the IFFTed audio signal. For example, in the process of smoothing the audio signal, the haptic pattern data generator performs full-wave rectification of the audio signal converted into the time domain through IFFT, and segments the audio signal to reduce distortion caused by the FFT. , a convolution operation may be performed on the audio signal through a window function to smoothly correct a rapidly changing region. For example, the window function may be a Hanning, Hamming, or Kaiser function, but is not limited thereto. In addition, based on the same point that the convolution operation in the time domain is the same as the multiplication operation in the frequency domain, faster operation may be performed if the calculation process is performed in the frequency domain.

In operation 417, the haptic pattern data generator may extract an audio bit pattern by half-wave rectifying the smoothed audio signal.

FIG. 4B is a diagram for explaining an example in which a haptic pattern data generator separates an audio signal of a frequency band including target bit pattern information by using FFT according to an embodiment.

Referring to FIG. 4B , the audio signal 421 may be converted from the time domain to the frequency domain through FFT, and the audio signals may be separated for each frequency band. The signals 423 may be audio signals divided into _six different frequency bands f ₁ , f ₂ , f ₃ , f ₄ , f ₅ , and f 6 . The haptic pattern data generator may select an audio signal 425 of _{a frequency band (band f 2} ) including desired bit pattern information from among the audio signals divided into a plurality of frequency bands. The haptic pattern data generator may convert the audio signal 425 of the selected frequency band from the frequency domain to the time domain through IFFT. The haptic pattern data generator may perform smoothing and half-wave rectification of the audio signal 427 converted into the time domain, and extract desired bit pattern information through this. The haptic pattern data generator may generate first haptic pattern data based on the extracted bit pattern information.

5A is a flowchart illustrating a method for a haptic pattern data generator to extract an audio bit pattern from an audio signal by using a discrete wavelet transform according to another embodiment.

Referring to FIG. 5A , in step 511 , the haptic pattern data generator may segment the input audio signal to perform discrete wavelet transform on the input audio signal. For example, the first haptic pattern data determiner may segment the audio signal into 256 or 1024 data streams in order to smoothly perform discrete wavelet transform on the audio signal. The number of data columns is not limited thereto.

In operation 513, the haptic pattern data generator may divide the segmented audio signal for each frequency band through discrete wavelet transform. The haptic pattern data generator may divide the audio signal for each frequency band through discrete wavelet transform in order to obtain an audio signal of a frequency band including a desired audio bit pattern. A method of dividing an audio signal for each frequency band through discrete wavelet transform will be described in detail below with reference to FIG. 5B .

In operation 515, the haptic pattern data generator may select a signal of one or more frequency bands including target bit pattern information from among the audio signals divided for each frequency band. For example, the haptic pattern data generation unit may select an audio signal of one or more frequency bands including bit pattern information to be extracted, such as bit pattern information of music excluding noise of the audio signal, and bit pattern information of a specific instrument of the audio signal. have.

In step 517, the haptic pattern data generator smoothes the audio signal of the selected frequency band. For example, in the process of smoothing the audio signal, a convolution operation is performed on the audio signal through a window function in order to full-wave rectify the audio signal of a selected frequency band, reduce distortion of the audio signal, and smoothly correct an abrupt region. can do. For example, the window function may be a Hanning, Hamming, or Kaiser function, but is not limited thereto.

In operation 519, the haptic pattern data generator may extract an audio bit pattern by half-wave rectifying the smoothed audio signal. The haptic pattern data generator may determine the first haptic pattern data based on the extracted audio bit pattern.

FIG. 5B is a diagram for explaining a process in which a haptic pattern data generator divides an audio signal into frequency bands through discrete wavelet transform according to another exemplary embodiment.

Referring to FIG. 5B , the audio signal is filtered by the high-pass filter 521, and the audio signal filtered by the high-pass filter 521 is down-sampled to be divided into audio signals of the first frequency band. can The audio signal filtered by the low-pass filter 522 may be down-sampled and used as an input audio signal for dividing the audio signal of the second frequency band. The input audio signal for dividing the audio signal of the second frequency band may be filtered by the high pass filter 523 and down-sampled to be divided into the audio signal of the second frequency band. The audio signal filtered by the low-pass filter 524 may be down-sampled and used as an input audio signal for dividing the audio signal of the third frequency band. As such filtering and downsampling processes are performed by the filters 525 , 526 , 527 , and 528 , the haptic pattern data generator may divide the audio signal into frequency bands in the time domain. For example, if an audio signal is to be divided into frequencies of n bands, 2n filtering steps are required. The haptic pattern data generator may select an audio signal of one or more frequency bands including target bit pattern information from among signals of a plurality of frequency bands, and extract the audio bit pattern by half-wave rectifying the selected audio signal.

6 is a diagram illustrating a configuration of a haptic device according to an embodiment.

Hereinafter, the term 'pattern data' is used to encompass haptic pattern data and lighting pattern data. Referring to FIG. 6 , the haptic device generates a control signal for controlling an actuator based on a receiver 610 for receiving wireless data, a pattern data extractor 620 for extracting haptic pattern data, and the extracted haptic pattern data. Actuator control unit 630 for generating haptic stimulation, actuator 640 for generating haptic stimulation, haptic pattern data storage unit 650 for storing pre-generated haptic pattern data, lighting unit 660 for generating a lighting effect based on lighting pattern data includes

The receiver 610 may receive wireless data from the control device. The haptic pattern data storage unit 650 stores at least one of first haptic pattern data previously generated in response to a bit pattern of content and second haptic pattern data previously generated in response to a specific bit pattern for implementing an event effect. can

The pattern data extraction unit 620 determines whether the identification data for the target haptic device included in the wireless data matches the identification data of the haptic device, and extracts the pattern data only when it is determined that the identification data match. can be performed. According to an embodiment, the pattern data extractor 620 may extract at least one of the first haptic pattern data and the second haptic pattern data from the wireless data received through the receiver 610 .

According to another embodiment, the pattern data extraction unit 620 may include first haptic pattern data stored in advance in the haptic pattern data storage unit 650 based on the haptic pattern indicator included in the wireless data received through the reception unit 610 and At least one of the second haptic pattern data may be extracted. According to another embodiment, the pattern data extraction unit 620 may extract the lighting pattern data included in the wireless data received through the receiving unit (610). The lighting unit 660 may generate a lighting effect based on the extracted lighting pattern data.

The actuator controller 630 may generate a control signal for controlling the actuator 640 based on the haptic pattern data extracted by the pattern data extractor 620 . The actuator control unit 630 is a DC-DC converter unit 630 that converts the voltage of the circuit into a higher voltage, a control circuit unit that generates a current based on the voltage and haptic pattern data applied from the DC-DC converter unit 630 . and a switching control unit 633 for generating a control signal in the form of a current for controlling the actuator 640 by adjusting the current generated by the control circuit 632 .

The actuator control unit 630 may generate a current based on the voltage applied from the DC-DC converter unit 630 through the control circuit unit 632 and the haptic pattern data received from the pattern data extraction unit 620 . The actuator control unit 630 may generate an actuator control signal for controlling the haptic stimulus generated by the actuator 640 by adjusting the current generated by the control circuit unit 632 through the switching control unit 633 .

The actuator 640 may generate a haptic stimulus based on the actuator control signal. The actuator 640 may include two channels 641 and 642 to generate a haptic stimulus in a stereo form. For example, the actuator 640 may be an actuator including an eccentric rotating mass, a linear resonant actuator in which a mass attached to a spring is driven back and forth, or an electromagnetic actuator, but is limited thereto. doesn't happen

7 is a diagram illustrating an example of the configuration of a performance hall admission system using a haptic device and an RFID tag according to an embodiment.

Referring to FIG. 7 , the theater admission system includes a haptic device 710 , an RFID reader 720 , and an RFID management device 730 . The haptic device 710 may include an RFID tag 713 including identification data for a haptic device user. When the user of the haptic device tags the haptic device 710 to the RFID reader 720 when the user of the haptic device enters the performance hall, the identification data for the user of the haptic device 710 is recognized, and the recognized identification data is the RFID management device 730 can be managed by Based on the identification data for the user managed through the theater admission system, the control device may provide appropriate haptic stimulation and lighting effects to each haptic device 710 .

8 is a flowchart illustrating an operation of a method for providing wireless data for controlling an operation of a haptic device by a control device according to an exemplary embodiment.

Referring to FIG. 8 , in step 810 , the control device may generate first haptic pattern data corresponding to the bit pattern of the content. For example, the bit pattern of the content may be an audio bit pattern extracted from an audio signal included in the content data. The control device may generate first haptic pattern data based on the extracted audio bit pattern.

According to an embodiment, in step 820 , the control device may generate wireless data including identification data for one or more target haptic devices to receive the first haptic pattern data and the first haptic pattern data.

According to another embodiment, the control device stores the second haptic pattern data corresponding to a specific bit pattern for implementing the event effect in the haptic pattern data storage unit in advance of the time when the content is provided, and in the process of providing the content, When the control device receives the event effect data representing the event effect provided on the content, identification of the second haptic pattern data stored in advance in the haptic pattern data storage unit and one or more target haptic devices to receive the second haptic pattern data It is possible to generate wireless data including data.

In step 830, the control device may transmit the generated wireless data through an antenna. The control device may transmit the generated wireless data to each frequency channel using a multi-channel antenna. The control device transmits wireless data through a plurality of frequencies, thereby achieving safety and reliability of wireless data transmission.

9 is a flowchart illustrating an operation of a method for generating a haptic stimulus by a haptic device according to an exemplary embodiment.

Referring to FIG. 9 , in step 910 , the haptic device may receive wireless data from the control device. In operation 920, the haptic device may extract haptic pattern data from the received wireless data. For example, the haptic pattern data may include at least one of first haptic pattern data corresponding to a bit pattern of content and second haptic pattern data corresponding to a specific bit pattern for implementing an event effect.

In operation 930, the haptic device may generate a control signal for controlling the actuator based on the extracted haptic pattern data. The haptic device may generate a control signal in the form of a current through the DC-DC converter unit, the control circuit unit, and the switching control unit. In operation 940 , the haptic device may generate a haptic stimulus through an actuator based on the generated control signal.

The components described in the embodiments include one or more digital signal processors (DSPs), processors, controllers, application specific integrated circuits (ASICs), programmable logic devices such as field programmable gate arrays (FPGAs), other electronic devices, and their It may be implemented by a hardware component comprising one or more of the combinations. At least some of the processes or functions described in the embodiments may be implemented by software, and the software may be recorded on a recording medium. Components, functions and processes described in the embodiments may be implemented by a combination of hardware and software.

The method according to the embodiment may be implemented in the form of program instructions that can be executed through various computer means and recorded in a computer-readable medium. The computer-readable medium may include program instructions, data files, data structures, and the like, alone or in combination. The program instructions recorded on the computer-readable medium may be specially designed and configured for the embodiment, or may be known and available to those skilled in the art of computer software. Examples of the computer-readable recording medium include magnetic media such as hard disks, floppy disks and magnetic tapes, optical media such as CD-ROMs and DVDs, and magnetic such as floppy disks. - includes magneto-optical media, and hardware devices specially configured to store and execute program instructions, such as ROM, RAM, flash memory, and the like. Examples of program instructions include not only machine language codes such as those generated by a compiler, but also high-level language codes that can be executed by a computer using an interpreter or the like. The hardware devices described above may be configured to operate as one or more software modules to perform the operations of the embodiments, and vice versa.

As described above, although the embodiments have been described with reference to the limited drawings, those skilled in the art may apply various technical modifications and variations based on the above. For example, the described techniques are performed in a different order than the described method, and/or the described components of the system, structure, apparatus, circuit, etc. are combined or combined in a different form than the described method, or other components Or substituted or substituted by equivalents may achieve an appropriate result.

Claims (8)

a receiver for receiving wireless data;
a pattern data extraction unit for extracting haptic pattern data from the wireless data;
an actuator control unit generating a control signal for controlling the actuator based on the extracted haptic pattern data; and
A plurality of actuators for generating a haptic stimulus based on the control signal
including,
The haptic pattern data includes first haptic pattern data corresponding to a bit pattern of content and second haptic pattern data corresponding to an event effect,
The control signal is transmitted to a plurality of actuators through a plurality of channels, respectively, to generate a stereo-type haptic stimulus according to the positions of the plurality of actuators. According to claim 1,
A haptic pattern data storage unit for storing at least one of the first haptic pattern data previously generated in response to the bit pattern of the content and the second haptic pattern data previously generated in response to a specific bit pattern for implementing an event effect, ,
The pattern data extraction unit may extract at least one of the pre-generated first haptic pattern data and the second haptic pattern data and use it as the haptic pattern data. 3. The method of claim 2,
The pattern data extraction unit extracts at least one of the first haptic pattern data and the second haptic pattern data based on a haptic pattern data indicator included in the wireless data. According to claim 1,
Further comprising a lighting unit for generating a lighting effect based on the lighting pattern data included in the wireless data, haptic device. A method of generating a haptic stimulus by operating a haptic device, the method comprising:
(a) receiving wireless data from the outside;
(b) extracting haptic pattern data from the wireless data;
(c) generating a control signal for controlling a plurality of actuators based on the extracted haptic pattern data;
(d) generating a haptic stimulus through the plurality of actuators based on the generated control signal;
including,
The haptic pattern data includes first haptic pattern data corresponding to a bit pattern of content and second haptic pattern data corresponding to an event effect,
The method of generating a haptic stimulus of a haptic device, wherein the control signal is transmitted to a plurality of actuators through a plurality of channels, respectively, to generate a stereo-type haptic stimulus according to the positions of the plurality of actuators. 6. The method of claim 5,
The haptic pattern data includes at least one of first haptic pattern data previously generated in response to a bit pattern of content and second haptic pattern data previously generated in response to a specific bit pattern for implementing an event effect,
A method of generating a haptic stimulus of a haptic device by extracting at least one of the first haptic pattern data and the second haptic pattern data previously generated in step (b) and using it as the haptic pattern data. 7. The method of claim 6,
In step (b), at least one of the first haptic pattern data and the second haptic pattern data is extracted based on a haptic pattern data indicator included in the wireless data. 6. The method of claim 5,
The wireless data further includes lighting pattern data,
(c) generates a lighting control signal for controlling the lighting unit of the haptic device based on the lighting pattern data in step,
(d) generating a lighting effect in the lighting unit based on the generated lighting control signal in step, a haptic stimulus generating method of a haptic device.

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