CN101303630B - Wireless control device and multi-indicator control method - Google Patents

Abstract

The invention is a wireless control device and a control method of multiple indexes, applied to a computer system, where the computer system executes an application program, the application program generates at least one first index and at least one second index, and the device at least includes: a first index controller; a second index controller and a wireless transceiver, wherein the control method comprises the following steps: the first index controller responds to the operation of a first user and sends out a first wireless control signal containing a first identification code; the second index controller responds to the operation of a second user and sends out a second wireless control signal containing a second identification code; and receiving the first wireless control signal and the second wireless control signal respectively, sending the first wireless control signal and the second wireless control signal into the computer system, and controlling the movement of the first indicator and the second indicator in the application program respectively corresponding to the identification codes in the wireless control signals.

Description

Wireless control device and multi-indicator control method

technical field

The invention relates to a wireless control device and a method for controlling multiple indicators, in particular to a wireless control device and a method for controlling multiple indicators applied to a computer system. the

Background technique

Human-machine interface input devices have always been the focus of research and development of various electronic information products such as personal computers. From traditional keyboards to trackballs, mice and touchpads, intuition, ease of learning and quickness have always been the goal of designers. And the presenter is also a kind of man-machine interface input device that develops rapidly recently. the

Please refer to FIG. 1 , which is a functional block diagram of a commonly used demonstration device and a personal computer running together, wherein the demonstration device 10 is used to respond to the user's command input action, and then send a wireless control signal to be connected to the personal computer 11. The wireless transceiver 12 on the port 110 further controls the display screen 14 generated by the personal computer 11 through the projector 13 . However, the design of the above-mentioned commonly used demonstrator basically still takes the concept of wireless mouse as the main body, which is simply used to perform control actions such as page switching or moving the cursor on the personal computer 11, and is only suitable for the single-directional manipulation behavior of a single demonstration speaker. It does not take into account the application environment requirements of other multiple users participating in the discussion. How to improve the lack of the above-mentioned common means is the most important purpose of the development of the present invention. the

Contents of the invention

The present invention is a wireless control device, which is applied to a computer system. An application program is executed on the computer system. The application program generates at least one first indicator and at least one second indicator, and the device at least includes: the first indicator control A device with a built-in first identification code, which responds to the manipulation of the first user and sends out a data packet containing the first identification code, the first two-dimensional coordinates, and the first key command signal and converts it into a first wireless control Signal; the second index controller has a built-in second identification code, which responds to the second user's manipulation and sends out a data packet that generates the second identification code, the second two-dimensional coordinates, and the second button command signal and converted into a second wireless control signal; and a wireless transceiver, electrically connected to the computer system, which respectively receives the first wireless control signal and the second wireless control signal respectively sent by the first index controller and the second index controller Two wireless control signals are sent to the computer system, and device descriptors corresponding to the first indicator controller and the second indicator controller can be established in the computer system to connect with the application program, and then according to these wireless The identification codes in the control signal enable the device descriptors to respectively control the movement of the first pointer and the second pointer in the application program. the

According to the above idea, in the wireless control device of the present invention, the first pointer controller or the second pointer controller includes: an optical mouse module, which generates two-dimensional coordinates in response to the movement of the user on the moving plane signal; an input button module, which generates a button command signal in response to the user's button; a microcontroller, electrically connected to the optical mouse module and the input button module, which receives the corresponding two-dimensional coordinate change signal and the corresponding button The command signal is added with the corresponding identification code to generate a data packet; and the wireless transceiver module is electrically connected to the microcontroller, which receives the data packet and converts it into a corresponding wireless control signal to transmit to the wireless transceiver. the

According to the above idea, in the wireless control device of the present invention, the first index controller or the second index controller further includes a gyroscope module, which is electrically connected to the micro-controller, and responds to the user in three-dimensional space The movement in the sensor generates an inertia change signal and outputs it to the microcontroller. the

According to the above idea, the wireless control device of the present invention, wherein the wireless transceiver includes: a wireless transceiver module, which is used to receive the wireless control signals sent by the indicator controllers and convert them into digital data of control instructions, and an external bus The controller is electrically connected to the wireless transceiver module, which corresponds to the number of the index controller and establishes the same number of device descriptors in the operating system of the computer system to connect with the application program, and then can be connected with the application program according to the wireless control signal The identification codes in the corresponding control instruction digital data are respectively sent to the corresponding device descriptors, so as to respectively control the movement of the corresponding indicators. the

According to the above idea, in the wireless control device of the present invention, the device descriptor can be a human interface device descriptor defined by the Microsoft Windows operating system, or a corresponding device descriptor can be selected depending on the type of operating system To complete the communication protocol between the hardware of the external bus controller and the operating system driver. the

According to the above idea, the computer system on which the wireless control device of the present invention is applied can be integrated with a liquid crystal projector or a physical projector to form a demonstration system. the

Another aspect of the present invention is a method for controlling multiple indicators, which is applied to a computer system, an application program is executed on the computer system, and the application program generates at least one first indicator and at least one second indicator, and the control method The method includes the following steps: generating a data packet including a first identification code, a first two-dimensional coordinate, and a first button command signal in response to manipulation by a first user and converting it into a first wireless control signal; responding to a second user generate a data packet containing the second identification code, the second two-dimensional coordinates, and the second button command signal and convert it into a second wireless control signal; and receive the first wireless control signal and the second wireless control signal respectively and sent to the computer system, and can establish device descriptors corresponding to the first wireless control signal and the second wireless control signal in the computer system to connect with the application program, these identifications in these wireless control signals The code enables the device descriptors to respectively control the movement of the first pointer and the second pointer in the application. the

According to the above idea, in the method for controlling multiple indicators in the present invention, the first indicator and the second indicator can be a first cursor and a second cursor. the

According to the above idea, in the method for controlling multiple indicators in the present invention, the first indicator and the second indicator can be a first brush and a second brush. the

According to the above idea, the method for controlling multiple indicators in the present invention, wherein the method for controlling the movement of the first indicator and the second indicator in the application program respectively corresponding to the identification codes in the wireless control signals includes the following steps : Receive these wireless control signals and convert them into control instruction digital data, and establish the same number of device descriptors in the operating system of the computer system corresponding to the number of these wireless control signals with different identification codes to connect with the application program , and further transmit corresponding control command digital data to corresponding device descriptors according to the identification codes in these wireless control signals, so as to respectively control the movement of the corresponding indicators. the

According to the above idea, in the multi-indicator control method described in the present invention, the device descriptor can be a human interface device descriptor defined by the Microsoft Windows operating system, or a corresponding device can be selected according to the type of operating system. The descriptor is used to complete the communication protocol between the hardware of the bus controller and the operating system driver for transmitting the first and second wireless control signals. the

According to the above idea, the computer system on which the control method for multiple indicators described in the present invention is applied can be integrated with a liquid crystal projector or a physical projector to form a demonstration system. the

The application program of the present invention can be designed as an electronic whiteboard device that can be provided to multiple people in a class or meeting for feedback, which can be displayed on a computer monitor or projected by a projector, and multiple indicator controllers can be used separately Control multiple indicators on the electronic whiteboard, and then perform feedback actions such as handwriting input, voting, and answering questions on the electronic whiteboard. the

The wireless control device and multiple index control methods described in the present invention have indeed improved the lack of commonly used technical means in the prior art, thereby accomplishing the most important purpose of the development of the present invention. the

Description of drawings

The present invention has a deeper understanding through the following drawings and descriptions:

FIG. 1 is a schematic functional block diagram of a commonly used demonstrator operating together with a personal computer. the

Fig. 2 is a wireless control device developed by the present invention to improve common technical means. the

Fig. 3 is a schematic diagram of the internal functional block of the indicator controller of the present invention. the

FIG. 4 is a schematic diagram of internal functional blocks of the wireless transceiver of the present invention. the

Fig. 5 is a schematic flow chart of the method for establishing a connection relationship between the indicator controller and the personal computer in the present invention. the

The formula of each element included in the accompanying drawings of the present invention is as follows:

Presenter 10 Personal Computer 11

Connection port 110 Wireless transceiver 12,

Projector 13 Display Screen 14

Computer Systems 2 Applications 20

Display 21 First indicator 211

The second index 212 The first index controller 31

Second index controller 32 wireless transceiver 33

Optical mouse module 39 Input button module 38

Gyroscope Module37 Microcontroller36

Wireless transceiver module 35 Wireless transceiver module 330

External bus controller 331 Human interface device descriptor 41, 42

Detailed ways

Please refer to Fig. 2, which is a wireless control device developed by the present invention to improve common technical means, which is applied to a computer system 2, and an application program 20 designed to match the present invention is executed on the computer system 2, the application program 20. At least one first indicator 211 and at least one second indicator 212 are generated on the display 21 of the computer system 2 for display. Common types of these indicators are various applications such as a cursor or a paintbrush. As for the wireless control device mainly composed of multiple index controllers and a single wireless transceiver, in order to facilitate the expression of the technical means of the present invention, two index controllers are taken as examples below for illustration. the

The first indicator controller 31 has a built-in first identification code, which can send out a first wireless control signal including the first identification code in response to the manipulation of the first user, while the second indicator controller 32 has a built-in There is a second identification code, which sends out a second wireless control signal containing the second identification code in response to the manipulation of the second user, and these wireless control signals are uniformly received by the wireless transceiver 33, which can utilize an external bus (Universal Serial Bus, for example) The wireless transceiver 33 connected to the computer system receives the first wireless control signal and the second wireless control signal sent by the first indicator controller 31 and the second indicator controller 32 respectively. After wireless control signals, the movement of the first indicator 211 and the second indicator 212 on the display 21 can be respectively controlled corresponding to the identification codes in the wireless control signals. the

Please refer to FIG. 3 again, which is a schematic diagram of the internal functional block of the above-mentioned index controller, which mainly includes an optical mouse module 39, an input button module 38, a gyroscope module 37, a microcontroller 36 and a wireless transceiver module 35, wherein the optical The mouse module 39 generates a two-dimensional coordinate signal in response to the user's movement on the moving plane, and the input key module 38 generates a key command signal in response to the user's button, and the gyroscope module 37 responds to the user's movement in the three-dimensional space. Inertia change signal is generated by the movement in the center, and the microcontroller 36 is electrically connected to the optical mouse module 39, the input key module 38 and the gyroscope module 37, and it receives the corresponding two-dimensional coordinate change signal and the corresponding key command signal. And the corresponding inertia change signal plus the corresponding identification code to generate a data packet, and finally the wireless transceiver module 35 converts the data packet into a corresponding wireless control signal and transmits it to the wireless transceiver 33 . the

Please refer to FIG. 4 again, which is a schematic diagram of the internal functional block of the above-mentioned wireless transceiver 33, which mainly includes a wireless transceiver module 330 and an external bus controller 331. The wireless control signal sent is converted into control command digital data, and the external bus controller 331, which can be completed by a universal serial bus controller, can upload data to the application program 20 successively by means of data sorting, and utilize time-sharing The first indicator 211 and the second indicator 212 displayed on the display 21 are controlled according to the multitasking sequence. Since the uploading time of each data is very short, the user feels the effect of simultaneous input. Moreover, the above-mentioned external bus controller 331 can set up the same number of human interface device descriptors (Human Interface Device descriptor, HID descriptor for short) 41, 42 corresponding to the number of index controllers in the operating system of the computer system 2 to communicate with The application program 20 is connected, and the external bus controller 331 can transmit to the corresponding human interface device descriptors 41, 42 according to the identification code in the wireless control signal, so that the corresponding first indicators can be controlled respectively 211 and the movement of the second pointer 212 and the corresponding button command input and other actions. The above-mentioned human interface device descriptor is a specification defined by the currently commonly used Microsoft Windows operating system, and is used as a communication protocol between the hardware of the external bus controller 331 and the operating system driver. Of course, the corresponding device descriptor can also be selected according to the type of the operating system to complete the communication protocol between the hardware of the external bus controller and the operating system driver. the

Please refer to FIG. 5 again, which is a schematic flow chart of the method for establishing a connection relationship between the indicator controller and the personal computer. First, the power of the indicator controller is turned on (step 501), and then the indicator controller sends a wireless signal with a built-in identification code to the wireless transceiver. Received by the wireless transceiver module 330 in the wireless transceiver 33 (step 502), and then the external bus controller 331 in the wireless transceiver 33 checks whether the built-in identification code in the wireless signal has established a corresponding humanized interface device descriptor (step 503), if so, then transmit the wireless signal to the human interface device descriptor to control the corresponding indicator of the application program (step 504), if not, display a window in the application program to prompt the An indicator controller is assigned to control a particular indicator in the screen (step 505). the

In this way, the application program can be designed as an electronic whiteboard device that can provide feedback to multiple people in a class or meeting, which can be displayed on a computer monitor or projected by a projector, and multiple indicator controllers can Separately control multiple indicators on the electronic whiteboard, and then perform feedback actions such as handwriting input, voting, and answering questions on the electronic whiteboard. When the opinion feedback function is turned on, the wireless transceiver module 330 in the wireless transceiver 33 continuously transmits a waiting signal, and receives the opinion feedback signals returned by a plurality of index controllers, and sends the signals to the personal computer for opinion feedback integration, The application knows at any time how many indicator controllers have responded and can end the receiving function at any time. the

Based on the above technical descriptions, the wireless control device and multiple index control methods described in the present invention have indeed improved the lack of common technical means in the prior art, and thus achieved the main purpose of the development of the present invention. The above-mentioned wireless control device and multiple index control methods can not only be used with a computer system, but also can be integrated into a liquid crystal projector or a physical projector to form a demonstration system that is used by multiple people and has an opinion feedback function. Therefore, the present invention Various modifications can be made by those skilled in the art without departing from the protection scope of the claims of the present invention. the

Claims (14)

1. A wireless control device, applied to a computer system, an application program is executed on the computer system, the application program generates at least one first indicator and at least one second indicator, and the device at least includes: The first indicator controller has a built-in first identification code, which generates a data packet containing the first identification code, the first two-dimensional coordinates, and the first key command signal in response to the manipulation of the first user and converts it into a first wireless control signal; The second indicator controller has a second identification code built in, and generates a data packet containing the second identification code, the second two-dimensional coordinates, and the second key command signal in response to the manipulation of the second user and converts it into a second wireless control signal; and A wireless transceiver, electrically connected to the computer system, which respectively receives the first wireless control signal and the second wireless control signal sent by the first indicator controller and the second indicator controller and sends them to the computer system In the computer system, device descriptors corresponding to the first index controller and the second index controller can be established in the computer system to connect with the application program, and then make these devices according to the identification codes in the wireless control signals The descriptors respectively control the movement of the first pointer and the second pointer in the application program. 2. The wireless control device as claimed in claim 1, wherein the first indicator and the second indicator can be a first cursor and a second cursor. 3. The wireless control device as claimed in claim 1, wherein the first indicator and the second indicator can be a first paintbrush and a second paintbrush. 4. The wireless control device as claimed in claim 1, wherein the first index controller or the second index controller comprises: an optical mouse module, which generates a two-dimensional coordinate signal in response to the movement of the user on the moving plane; an input button module, which generates a button command signal in response to a button pressed by a user; A microcontroller, electrically connected to the optical mouse module and the input key module, receives the corresponding two-dimensional coordinate change signal and the corresponding key command signal plus the corresponding identification code to generate a data packet; and The wireless transceiver module is electrically connected to the microcontroller, and receives the data packet and converts it into a corresponding wireless control signal to transmit to the wireless transceiver. 5. The wireless control device as claimed in claim 4, wherein the first index controller or the second index controller further includes a gyroscope module electrically connected to the microcontroller, which responds to the user's movement in the three-dimensional space The movement in the sensor generates an inertia change signal and outputs it to the microcontroller. 6. The wireless control device as claimed in claim 1, wherein the wireless transceiver comprises: A wireless transceiver module, which is used to receive the wireless control signals sent by these index controllers and convert them into digital data of control instructions, and The external bus controller is electrically connected to the wireless transceiver module, which corresponds to the number of the index controller and establishes the same number of device descriptors in the operating system of the computer system to connect with the application program, and then can be connected according to the The identification code in the wireless control signal is used to transmit the corresponding digital data of the control command to the corresponding device descriptor, so as to respectively control the movement of the corresponding indicators. 7. The wireless control device as claimed in claim 6, wherein the device descriptor can be a human interface device descriptor defined by the Microsoft Windows operating system, or a corresponding device descriptor can be selected depending on the type of the operating system To complete the communication protocol between the hardware of the external bus controller and the operating system driver. 8. The wireless control device as claimed in claim 6, the computer system on which it is applied can be integrated with a liquid crystal projector or a physical projector to form a demonstration system. 9. A method for controlling multiple indicators, applied to a computer system, an application program is executed on the computer system, the application program generates at least one first indicator and at least one second indicator, and the control method comprises the following steps: In response to the first user's manipulation, send out a data packet containing the first identification code, the first two-dimensional coordinates, and the first button command signal and convert it into a first wireless control signal; In response to the second user's manipulation, send out a data packet that generates a second identification code, a second two-dimensional coordinate, and a second key command signal and convert it into a second wireless control signal; and Respectively receive the first wireless control signal and the second wireless control signal and send them to the computer system, and create device descriptors corresponding to the first wireless control signal and the second wireless control signal in the computer system to The device descriptors are connected with the application program to control the movement of the first pointer and the second pointer in the application program respectively according to the identification codes in the wireless control signals. 10. The method for controlling multiple indicators as claimed in claim 9, wherein the first indicator and the second indicator can be a first cursor and a second cursor. 11. The method for controlling multiple indicators as claimed in claim 9, wherein the first indicator and the second indicator can be a first brush and a second brush. 12. The multiple pointer control method as claimed in claim 9, wherein the method of controlling the movement of the first pointer and the second pointer in the application program corresponding to the identification codes in the wireless control signals comprises the following steps : Receive these wireless control signals and convert them into control command digital data, and Corresponding to the number of these wireless control signals with different identification codes, the same number of device descriptors are established in the operating system of the computer system to connect with the application program, and then can be transmitted according to the identification codes in these wireless control signals The corresponding control command digital data is sent to the corresponding device descriptor to respectively control the movement of the corresponding indicators. 13. The multiple index control method as claimed in claim 12, wherein the device descriptor can be a human interface device descriptor defined by the Microsoft Windows operating system, or select a corresponding device according to the type of operating system The descriptor is used to complete the communication protocol between the hardware of the bus controller and the operating system driver for transmitting the first and second wireless control signals. 14. The multiple index control method as claimed in claim 9, wherein the computer system on which it is applied can be integrated with a liquid crystal projector or a physical projector to form a demonstration system.

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