KR101152520B1 - Method for communicating usage of camara using Bluetooth wireless communication in Mobile communication terminal - Google Patents

Abstract

The present invention provides a method for notifying use of a camera using Bluetooth wireless communication. The present invention for the mobile communication terminal equipped with a Bluetooth module and a camera, the process of periodically searching for other devices equipped with a Bluetooth module to form a piconet, and when the camera shooting function is selected by the user Bluetooth of the piconet Transmitting a camera use signal to all other devices equipped with the module.

Bluetooth, camera

Description

Method for communicating usage of camara using Bluetooth wireless communication in Mobile communication terminal}             

1 is a view for explaining Bluetooth wireless communication between a mobile communication terminal equipped with a camera according to the present invention;

2 is a block diagram of a mobile communication terminal according to an embodiment of the present invention;

3 is a block diagram of a Bluetooth module of a mobile communication terminal according to an embodiment of the present invention;

4 is a control flowchart of camera operation in a mobile communication terminal according to an embodiment of the present invention.

The present invention relates to a method for notifying use of a camera using a Bluetooth wireless communication in a mobile communication terminal.                         

In general, a mobile communication terminal can be equipped with a camera to implement a photo capture function or an image capture function. Since the mobile communication terminal equipped with such a camera can be conveniently carried by the user anytime and anywhere, it is easy to take a photo or video recording that infringes privacy in a public place such as a public bath or a subway. In addition, confidential documents or confidential documents may be leaked by a mobile communication terminal equipped with a camera in a national agency or company where information security is required.

As described above, the user can take a picture regardless of time and place by using a camera photographing function of a mobile communication terminal. However, there is currently no way to prevent the invasion of privacy or the leakage of confidentiality of corporations and countries.

Accordingly, an object of the present invention is to provide a method for informing the other device of the use of a camera when a camera photographing operation of a mobile communication terminal is performed in view of the problems of the prior art.

Another object of the present invention is to provide a method for prohibiting camera photography of a mobile communication terminal using Bluetooth wireless communication.

In order to achieve the above object, the present invention, in the mobile communication terminal equipped with a Bluetooth module and a camera, the process of periodically searching for other devices equipped with a Bluetooth module to form a piconet, and the camera shooting function by the user If selected, the method includes transmitting a camera use signal to all other devices equipped with the Bluetooth module of the piconet.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In describing the present invention, if it is determined that the detailed description of the related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

According to the present invention, when a camera photographing operation of a mobile communication terminal is performed, it can be notified to another mobile communication terminal equipped with a Bluetooth module using Bluetooth wireless communication. In addition, the present invention is a mobile communication terminal or Bluetooth. In addition, the present invention provides a camera operation by transmitting a camera operation prohibition control signal using Bluetooth wireless communication in a place where privacy infringement or confidential leakage of the company or country may occur to control the camera shooting operation of the mobile communication terminal. To control.

Here, Bluetooth is a standard that wirelessly connects portable devices such as portable PCs and mobile communication terminals at a low cost within a narrow range, and uses wireless frequencies to communicate with various digital devices without using physical cables. Send and receive data. For example, a Bluetooth module may be implemented in a mobile communication terminal and a laptop computer to communicate without cables.

1 is a view for explaining Bluetooth wireless communication between a mobile communication terminal equipped with a camera according to the present invention. Bluetooth wireless communication supports point-to-point and point-to-multipoint connections. Devices that share one channel must share capacity, and a set of these devices is called a piconet. Here, the piconet 50 may be defined as a collection of devices connected via Bluetooth. Seven devices are connected to one piconet, and one of the seven masters manages the piconet such as frequency hopping pattern generation. ) And the rest are connected as slaves. The process of forming the piconet is as follows.

Referring to FIG. 1, a state in which the mobile communication terminals 10, 20, 30, and 40 are not connected is called a standby state. In this state, each of the mobile communication terminals 10, 20, 30, and 40 is 1.28 seconds. Each time a new message is received and a connection request is made, in FIG. 1, the mobile communication terminal 10 becomes a master and starts to recognize other mobile communication terminals (Inquiry / Page). Since the mobile communication terminals 20, 30, and 40 communicating with the master mobile communication terminal 10 are 3 bits (2 ³ = 8), one of eight addresses is used as a broadcasting address, so seven devices have one piconet. Is assigned an active address to form a piconet.

In the present invention, each mobile communication terminal in the Bluetooth piconet formed as described above informs other mobile communication terminals that the camera operation is performed using Bluetooth wireless communication. In addition, the present invention blocks camera use by transmitting a camera operation prohibition signal using Bluetooth wireless communication where privacy infringement or confidential leakage of a company or country may occur.

2 is a block diagram of a mobile communication terminal according to an embodiment of the present invention, Figure 3 is a block diagram of a Bluetooth module of a mobile communication terminal according to an embodiment of the present invention. As shown in FIG. 2, the mobile communication terminal according to an embodiment of the present invention includes a camera 100, a wireless unit 110, a controller 120, a Bluetooth module 130, a user interface 140, and a display unit 150. ) And memory 160. The controller 120 performs an overall control operation of the mobile communication terminal. When the user selects the camera photographing function according to the present invention, the controller 120 provides a signal indicating that the camera photographing operation is performed to one or more other mobile communication terminals of the piconet through the Bluetooth module 130. Accordingly, one or more other mobile communication terminals of the corresponding Bluetooth piconet area 50 may indicate to the user that a camera photographing operation is performed.

In addition, when the corresponding piconet area 50 is selected as the camera photography prohibition area by the user, the controller 120 sends a signal to the one or more other mobile communication terminals of the piconet to prohibit the camera photography operation through the Bluetooth module 130. to provide. Accordingly, when one or more other mobile communication terminals receive a signal prohibiting such a camera photographing operation in the Bluetooth piconet 50, the camera photographing operation is prohibited.

The memory 160 may include a read only memory (ROM), a random access memory (RAM), a voice memory, and the like to store a plurality of programs and data necessary for controlling the operation of the mobile communication terminal. In addition, the memory 40 stores a program for notifying the camera operation or controlling the camera operation according to the present invention, and stores data generated during the execution of the program.

 The wireless unit 110 controls transmission and reception of voice and text data and control data under the control of the control unit 120. The user interface 140 includes a plurality of numeric keys and function keys, and outputs input data corresponding to a key selected by the user to the controller 120. The user interface 140 may be a general key matrix or touch screen. When the user interface 140 is implemented as a touch screen, a plurality of numeric keys, function keys, direction keys, etc. displayed on the touch screen may be selected or input by an input tool such as a stylus pen. The display unit 150 displays various messages and the like under the control of the controller 120. The display unit 150 may include a liquid crystal display (LCD), a thin film transistor (TFT), an organic electroluminescence (EL), or the like.

The Bluetooth module 200 of the mobile communication terminal according to the embodiment of the present invention includes an RF transceiver 200, a baseband processor 202, a communication controller 204, and a memory 206. The RF transceiver 200 modulates and transmits a wireless transmission data packet generated by the baseband processor 202 to a set frequency band, and suppresses amplification of noise of a received frequency signal as much as possible. After amplification, the amplification signal is lowered to a low frequency band and transferred to the baseband processor 202. The baseband processor 202 changes the packet format to add an access code and a header to various Host Control Interface (HCI) data packets applied from the communication controller 204, and then converts the packet into a predetermined data packet for wireless transmission. In this case, the RF transmission unit 200 wirelessly transmits the frequency band set through the RF transceiver 200, and converts the data packet received through the RF transceiver 200 into an HCI packet to the communication controller 204. The communication control unit 204 controls the overall operation of the Bluetooth communication device. When the communication control unit 204 detects receipt of an inquiry response message (query response data packet) from a plurality of slave mobile communication terminals coming from the baseband processor 202, Set up a Bluetooth connection. The memory 206 stores a program for controlling the operation of the communication control unit 204. Then, the control flow chart 300 according to the camera operation in the mobile communication terminal according to the present invention will be described with reference to FIG.

4 is a control flowchart of camera operation in a mobile communication terminal according to an embodiment of the present invention. Referring to FIG. 4, the controller 120 of the mobile communication terminal activates the Bluetooth module in step 310. The activation of the Bluetooth module may be performed by the user's selection. Alternatively, the Bluetooth module of the mobile communication terminal may be activated when the mobile communication terminal is turned on. This is a matter that can be selected by the manufacturer of the mobile communication terminal. Subsequently, the controller 120 periodically searches for another device equipped with a Bluetooth module in step 320. Here, the search of the Bluetooth module is an operation in which the mobile communication terminal periodically receives a new message in the standby state and recognizes other mobile communication terminals (Inquiry / Page) when there is a connection request. Accordingly, the mobile communication terminal forms the piconet 50 to enable Bluetooth communication.

In operation 330, the controller 120 checks whether the camera photographing function is selected by the user. If the camera photographing function is selected by the user, the control unit 120 proceeds to step 340 and checks whether the camera use prohibition signal is received from another device equipped with the Bluetooth module of the piconet 50. If the camera use prohibition signal is received from another device equipped with the Bluetooth module, the controller 120 proceeds to step 350 to prohibit the use of the camera.

On the other hand, if the controller 120 does not receive a camera use prohibition signal from another Bluetooth device equipped with a Bluetooth module, the controller 120 transmits the camera use signal to all other devices equipped with the Bluetooth module of the piconet 50. . The controller 120 proceeds to step 370 to perform a camera shooting function.

Accordingly, the other device equipped with the Bluetooth module of the piconet 50 may receive a camera use signal to inform the user that camera photography is being performed in the piconet area. Such notification of camera shooting may be notified by vibration or alarm, or may be notified by a message or any icon on the display unit.

As described above, according to the present invention, each mobile communication terminal in the Bluetooth piconet notifies other mobile communication terminals that the camera operation is performed using Bluetooth wireless communication. In addition, according to the present invention, the mobile communication terminal blocks the use of the camera by transmitting a camera operation prohibition signal using Bluetooth wireless communication where privacy infringement or leakage of confidentiality of a company or a country may occur.

In the foregoing detailed description of the present invention, specific embodiments have been described, but various modifications are possible without departing from the scope of the present invention. For example, in the present invention, the mobile communication terminal transmits a camera operation prohibition signal using a Bluetooth module, but a dedicated device for transmitting such a camera operation prohibition signal may be installed at a corresponding place. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined not only by the claims below but also by those equivalent to the claims.

As described above, when the camera photographing operation of the mobile communication terminal is performed, the present invention can notify the other mobile communication terminal equipped with the Bluetooth module using Bluetooth wireless communication. In addition, the present invention is a mobile communication terminal or Bluetooth. In addition, the present invention transmits a camera operation prohibition control signal using Bluetooth wireless communication in a place or a concert hall where privacy infringement or leakage of corporate or country may occur so as to control a camera shooting operation of a mobile communication terminal. Control the operation. Accordingly, it is possible to prevent the leakage of confidentiality or invasion of privacy caused by the camera of the mobile communication terminal.

Claims (4)

In the camera use notification method of a mobile communication terminal equipped with a Bluetooth module and a camera, Periodically searching other devices equipped with a Bluetooth module to form a piconet, And transmitting a camera use signal to all other devices equipped with the Bluetooth module of the piconet when the camera photographing function is selected by the user. In the camera use notification method of a mobile communication terminal equipped with a Bluetooth module and a camera, Periodically searching other devices equipped with a Bluetooth module to form a piconet, When the camera photographing function is selected by the user, determining whether the camera use prohibition signal has been received from any one of all other devices equipped with the Bluetooth module in which the piconet is formed through the piconet; If the camera usage prohibition signal is not received, transmitting a camera usage signal to all other devices equipped with the Bluetooth module in which the piconet is formed through the piconet. Notification method. The device according to claim 1 or 2, wherein all other devices equipped with the Bluetooth module of the piconet receiving the camera use signal are displayed to the user according to any one of a message display, a vibration, an alarm, and a combination thereof. Method for notifying the use of the camera using Bluetooth wireless communication, characterized in that it further comprises the step of notifying that the shooting is performed. The method of claim 2, further comprising: prohibiting the use of the camera if the camera use prohibition signal is received.

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