TW201706780A - Mouse for user with limb disabilities and air-blowing quantity induction and recognition method of mouse comprising a plurality of microphones, a plurality of comparators, a plurality of trigger circuits, a control unit and a USB controller - Google Patents

Abstract

This invention provides a mouse for a user with limb disabilities. The mouse comprises a plurality of microphones to receive blowing of a user, a plurality of comparators capable of converting an air-blowing quantity into a plurality of intermittent inductive pulses, a plurality of trigger circuits capable of repeatedly triggering the inductive pulses to produce an air-blowing inductive pulse width corresponding to a size of the air-blowing quantity, a control unit capable of receiving the air-blowing inductive pulse width to determine an air-blowing position and the size of the air-blowing quantity and producing a coordinate (X, Y, Z) pulse wave signal or a left or right key driving click signal, and a USB controller capable of receiving the coordinate (X, Y, Z) pulse wave signal or the left or right key driving click signal to transmit a piece of cursor movement coordinate information or a key click command to a computer.

Description

Method for sensing the insufficiency of the mouse and the insufflation

The invention relates to a mouse, in particular to an operation of replacing a hand-controlled mouse by blowing, and by means of determining the amount of blowing, to achieve any movement such as a mouse cursor and a button click, thereby being freely The mouse that controls the computer.

With the rapid development of the modern Internet, computers have become an important medium for entering the online world in our daily life, and also an indispensable tool in the work; and the peripheral mouse device is the most common control computer action at present. Input device. However, for friends with handicap and handicap, it is impossible to use a computer mouse and thus cannot enter a diverse computer and online world.

There are also many ways to control the mouse's work on the market, such as eye-controlled mouse, head-controlled mouse, and mouth-controlled mouse. Although some auxiliary tools are also equipped with air blowing control, they are mainly input by a single air blowing induction device (such as a mechanical air blowing switch operated by blowing pressure), and then use the circulating air blowing action to complete the sliding number cursor movement. Or switch the button function. However, some studies use a microphone as a blow-in sensing input. This type of program usually requires signal amplification, ADC conversion, and digital signal processing. If there are multiple microphone inputs, there are problems in that they easily interfere with each other, and the cost thereof. It is relatively improved. The table below shows the basic operating principles of the various mouse aids and compares them for various mouse type characteristics.

However, the above mouse control methods have: 1, the eyes are easily tired; 2, easy to dizziness, anemia is not applicable; 3, long-term contain a straw, the mouth will have discomfort; and 4, long-term with a rocker, the mouth will have Discomfort, and the shoulder and neck are easy to stiff and other shortcomings, it is a flaw in the United States.

Therefore, it is necessary to design a new type of disabled person to overcome the above drawbacks.

It is an object of the present invention to provide a limb-sliding mouse that can integrate the application of the air-sensing and mouse-controlled wafers, and is designed to be user-friendly for the disabled of the disabled to improve some limitations of the traditional mouse accessory. And shortcomings. Insufflation is based on the principle of airflow vibration, which causes the microphone to sense a small amount of signal, and then is processed by a hardware circuit to convert it into a corresponding pulse width, and cooperates with the software programming to complete the multi-microphone blowing amount identification.

Another object of the present invention is to provide a limbed mouse that can be applied to no The same computer operating system, as long as the USB connection to the computer can be used; this not only benefits the physical barriers of friends to use the computer, but also allows them to improve their quality of life through the use of computers.

In order to achieve the above object, the disabled person of the present invention comprises: a plurality of condenser microphones for receiving a user's air blowing; and a plurality of comparators coupled to the plurality of microphones respectively, the plurality of microphones being connectable The induced insufflation amount is converted into intermittent plurality of inductive pulses; a plurality of trigger circuits are respectively coupled to the plurality of comparators, and the plurality of inductive pulses can be generated by repeated triggers corresponding to the amount of insufflation a blowing-inducing pulse width; a control unit coupled to the plurality of trigger circuits, respectively, having a control program, the control program receiving the air-inducing pulse width of the plurality of microphones for performing a blowing position and The determination of the amount of blown air, and accordingly generates a standard (X, Y, Z) pulse wave signal or a drive left and right button click signal; and a USB controller, one end of which is coupled to the control unit, and the other end is coupled To a computer, the USB controller can receive the coordinate (X, Y, Z) pulse signal or drive the left and right button click signals to transmit a cursor movement coordinate information or a button click command to the computer.

The detailed description of the drawings and the preferred embodiments are set forth in the accompanying drawings.

10‧‧‧Microphone

20‧‧‧ comparator

30‧‧‧Trigger circuit

40‧‧‧Control unit

50‧‧‧USB controller

60‧‧‧ computer

1 is a schematic view showing a block diagram of a disabled person's mouse in accordance with a preferred embodiment of the present invention.

2 is a schematic view showing a function configuration of a microphone of a disabled person in a preferred embodiment of the present invention; FIG. 3 is a schematic view showing a comparator and a trigger circuit according to a preferred embodiment of the present invention; carried out Waveform diagram of the blown induction conversion pulse width.

FIG. 4 is a schematic diagram showing the timing of generating a moving coordinate pulse by a control unit according to a preferred embodiment of the present invention.

FIG. 5 is a schematic view showing a flow chart of a method for inductively identifying a blow volume according to a preferred embodiment of the present invention.

FIG. 6 is a schematic view showing a detailed flow chart of step b in FIG. 5.

FIG. 7 is a schematic diagram showing the flow of a moving or scrolling judging method according to a preferred embodiment of the present invention.

FIG. 8 is a schematic diagram showing the flow of a left button determination method according to a preferred embodiment of the present invention.

FIG. 9 is a schematic diagram showing the flow of a method for determining a right button according to a preferred embodiment of the present invention.

1 to FIG. 4, wherein FIG. 1 is a block diagram of a disabled person's mouse according to a preferred embodiment of the present invention; FIG. 2 is a diagram showing a disabled person's mouse in accordance with a preferred embodiment of the present invention. FIG. 3 is a schematic diagram showing waveforms of a comparator and a trigger circuit for performing a blow-induction conversion pulse width according to a preferred embodiment of the present invention; FIG. 4 is a diagram showing a control unit generating a movement according to a preferred embodiment of the present invention; Schematic diagram of the coordinate pulse.

As shown, the disabled person of the present invention includes: a plurality of microphones 10; a plurality of comparators 20; a plurality of trigger circuits 30; a control unit 40; and a USB controller 50.

The number of the plurality of microphones 10 is, for example but not limited to, six, as shown in the figure. As shown in FIG. 2, the six microphones 10 can respectively represent the sensing reception of a mouse cursor up, down, left, right, left composite, and right composite function keys. The plurality of microphones 10 are, for example but not limited to, condenser microphones.

The plurality of comparators 20 are respectively coupled to the plurality of microphones 10, which can The amount of blown air induced by the microphone 10 is converted into intermittent plurality of inductive pulses. The comparator 20 is, for example but not limited to, a hysteresis comparator, and the number thereof is, for example but not limited to, six. In this embodiment, when the comparator 20 can be configured with an inverted hysteresis comparator (made of LM358, not shown), the reference voltage can be set by a variable resistor (not shown). Converts the blow signal into a series of negative edge pulses. Changing the variable resistor here will adjust the sensitivity to the blow induction.

The plurality of trigger circuits 30 are respectively coupled to the plurality of comparators 20, and the plurality of sensing pulses can be generated by a repeated trigger to generate a blow-in pulse width corresponding to one of the blow volume amounts. The trigger circuit 30 is, for example but not limited to, a one-click comparator, and the number thereof is, for example but not limited to, six. The working principle of the comparator 20 and the trigger circuit 30 is as shown in FIG. 3. When the air is blown to the microphone 10, the microphone 10 senses a weak signal by the airflow, and is converted into a discontinuous sensor via the comparator 20. pulse. If the output pulse width t _{p of} the trigger circuit 30 is selected to be greater than 2 times of the sensing pulse interval time, the insufflation pulse width corresponding to the insufflation amount can be generated by the repeated trigger: T _W =n×t _p, and further sent to the control unit 40 detects; where n is the number of pulses output from the comparator 20, with the blow proportional to the length.

The control unit 40 is coupled to the plurality of trigger circuits 30 respectively, and has a control program (not shown) for performing the air volume sensing identification method of the disabled person of the present invention. a step of receiving the air-inducing pulse width T _W for determining the blowing position and the amount of blowing, and generating a standard (X, Y, Z) pulse signal or a driving left and right button click signal . The control unit 40 is, for example but not limited to, a microcontroller, and further has a memory (not shown) therein to store the control program. In this embodiment, the control unit 40 selects the 89S51.

One end of the USB controller 50 is coupled to the control unit 40, and the other end is coupled To a computer 60, the USB controller 50 can receive the coordinate (X, Y, Z) pulse signal or drive the left and right button click signals to transmit a cursor movement coordinate information or a button click command to the computer 60. In this embodiment, the USB controller 50 is a USB standard artificial interface mouse control chip (TP8833), which can be applied to various computer operating system environments, and achieves plug-and-play efficiency; Development of the USB transfer program. The control unit 40 can realize the coordinate pulse generated by the movement of the original optical mouse or complete the click operation of the left and right keys according to the position of the blowing position and the amount of the blowing amount.

The control unit 40 can be produced by determining the position of the air blow and the amount of blown air. The coordinates (X, Y, Z) pulse signal or the left and right button click signals of the USB controller 50 are controlled, and finally, the USB controller 50 is responsible for transmitting a cursor movement coordinate information or a button click command to the USB controller 50. The computer is 60. The description of the moving coordinate pulse wave is shown in Fig. 4, in which the X coordinate example is used: when the X1 pulse leads the X2 pulse, it indicates that the left movement is made, and vice versa. By using the time difference between the two pulses, the moving speed can be adjusted.

Please refer to FIG. 5 , which is a flow chart of a method for inductive identification of a blow volume according to a preferred embodiment of the present invention.

As shown in the figure, the insufflation sensing method of the present invention further includes: initial setting (step a); detecting whether each microphone 10 has air blowing (step b); finding a maximum blowing position (step c); Whether it is a move or scroll instruction, and if so, perform a move or scroll judgment Program (step d); determining whether it is a left button instruction, and if so, executing a left button determination program (step e); and determining whether it is a right button instruction, and if so, executing a right button determination program, if not, returning to the step b (step f).

In the step a, the initial setting includes all the initial condition settings for completing the control program.

In the step b, it is detected whether each microphone 10 has a blow; if yes, the process proceeds to the next step, and if not, the detection continues.

In this step c, the position of the maximum amount of blowing is found.

In the step d, it is judged whether it is a move or scroll instruction, and if so, a move or scroll determination routine is executed.

In the step e, it is judged whether it is a left key instruction, and if so, a left key determination program is executed.

In the step f, it is judged whether it is a right key instruction, and if so, a right key determination program is executed, and if not, the process returns to the step b.

Please refer to FIG. 6 , which is a schematic diagram of the detailed process of step b in FIG. 5 . In the step b of FIG. 5, whether the microphone 10 has air blowing detection further includes the following steps: detecting whether the pulse wave of each microphone 10 is high, and if not, continuously detecting (step b1); Initiating each of the microphones 10 to count the blow volume (step b2); detecting whether all of the microphones 10 sense the pulse wave is low, if not, returning to step b1 (step b3); and finding the position with the largest blow volume (step b4) .

Please refer to FIG. 7, which is a flow chart of a method for judging movement or scrolling according to a preferred embodiment of the present invention. When the movement or scrolling instruction determination is performed in step d of FIG. 5, the following steps are further included: determining whether it is an upshift instruction, and if so, indicating that the Y1 pulse advances the Y2 pulse wave, Then, returning to step b (step d1); determining whether it is a downward shift instruction, if yes, indicating that the Y1 pulse wave is behind the Y2 pulse wave, and then returning to step b (step d2); determining whether it is a left shift instruction, and if so, indicating X1 pulse The wave advances the X2 pulse wave, and then returns to step b (step d3); determines whether it is a right shift instruction, and if so, indicates that the X1 pulse wave lags behind the X2 pulse wave, and then returns to step b (step d4); determines whether it is a scroll instruction If yes, it indicates that the Z1 pulse advances the Z2 pulse, and then returns to step b (step d5); and judges whether it is the scroll instruction, and if so, indicates that the Z1 pulse is behind the Z2 pulse, and then returns to step b, if not, It also returns to step b (step d6).

When entering the move/scroll judgment mode, it will first determine whether to move up, down, or Move left, right, roll, and roll. If it is short, only one coordinate pulse will be generated. If it is long, the number of coordinate pulses proportional to the amount of blowing is generated. After the action is completed, jump back to the blow detection and wait for the next action to be executed.

Please refer to FIG. 8 , which illustrates a method for determining a left button according to a preferred embodiment of the present invention. Schematic diagram of the process. When the left key instruction is judged in step e of FIG. 5, the method further includes the following steps: determining whether it is long gas, and if so, a drag command, and then returning to step b (step e1); and if not, Turn the left button once and release the drag, then return to step b (step e2).

When entering the left button mode, it is judged that if it is long, the drag function is performed, otherwise Do the left button and click once to release the drag mode.

Please refer to FIG. 9 , which illustrates a method for determining a right button according to a preferred embodiment of the present invention. Schematic diagram of the process. When the right button command is judged in step f of FIG. 5, the method further includes the following steps: determining whether it is long gas, and if so, a scrolling instruction, and then returning to step b (step f1); and if not, Right-click the switch once and release the scrolling, then return to step b (step f2).

When the right-click function microphone is briefly blown, the action is right-clicked by the mouse. Long blowing Then enter the scroll mode, at this time can cooperate with the up and down microphone blowing to complete the scrolling function.

In consideration of the convenience of the operation of the disabled person, the present invention discloses a computer mouse accessory based on the air blow identification. Different from the traditional single blow/suction mechanical switch control, the present invention adopts a multi-microphone blow induction identification control method; and uses a hardware signal processing technology: the air flow vibration microphone is used to sense a small amount of signals, and then by comparison The sampling pulse and the clicker are repeatedly triggered to convert to the corresponding pulse width; and the processing of the software algorithm for extracting the maximum amount of blowing is used to reduce the interference of the multi-microphone blowing identification, thereby stably performing the microphone Blowing volume identification. In addition, the air-blowing mouse of the present invention can also be applied to different computer operating systems, and the computer does not need to install any driving software, and can be plugged and used as long as it is connected by USB. Compared with the conventional types of mouse aids, the present invention is relatively inexpensive, and also improves some inconveniences and limitations of these accessories. Therefore, the mouse of the present invention is indeed more advanced than the prior art.

The disclosure of the present invention is a preferred embodiment of the present invention. Any part of the present invention can be easily inferred from those skilled in the art without departing from the technical spirit of the present invention. .

In summary, the present invention, regardless of its purpose, means and efficacy, is showing its technical characteristics different from the prior art, and its first invention is practical and practical, and is also in compliance with the patent requirements of the invention, and is requested to be examined by the reviewing committee. Pray for the patents at an early date.

10‧‧‧Microphone

20‧‧‧ comparator

30‧‧‧Trigger circuit

40‧‧‧Control unit

50‧‧‧USB controller

60‧‧‧ computer

Claims (10)

A limb disabled mouse includes: a plurality of microphones for receiving a user's air blowing; and a plurality of comparators coupled to the plurality of microphones respectively, wherein the air volume induced by the microphone is converted into an intermittent plural number Inductive pulse; a plurality of trigger circuits are respectively coupled to the plurality of comparators, and the plurality of sensing pulses can be repeatedly triggered to generate a pulse-inducing pulse width corresponding to one of the insufflation amounts; a control unit, Each of the plurality of trigger circuits is coupled to the plurality of trigger circuits, and has a control program, wherein the control program can receive the air-inducing pulse width to determine the air blowing position and the air blowing amount, and generate a target (X, Y, Z) pulse signal or a drive left and right button click signal; and a USB controller, one end of which is coupled to the control unit, and the other end is coupled to a computer, the USB controller can receive the coordinate (X, Y, Z) Pulse signal or drive left and right button click signal to transmit a cursor movement coordinate information or a button click command to the computer. For example, in the handicapped mouse of claim 1, wherein the number of the plurality of microphones is six, respectively, to represent a mouse cursor moving up, down, left, right, and left and right. Inductive reception of composite function keys. The handicap mouse of claim 1, wherein the number of the plurality of comparators is six, and each of the comparators is a hysteresis comparator, and the microphone senses the weak signal by the airflow vibrating. And converted to a discontinuous sensing pulse via the hysteresis comparator. The handicap mouse of claim 1, wherein the number of the plurality of trigger circuits is six, and each of the trigger circuits is a repeatable click comparator. The handicapped mouse according to claim 1, wherein the control unit is a microcontroller, and further has a memory inside to store the control program. The method of claim 1, wherein the control program is used to perform a method for sensing the insufflation of the person with a disability. The method for inductive identification of the insufflation includes the following steps: a: initial setting ;b: detect whether each microphone has air blowing; c: find the maximum blowing position; d: determine whether it is a moving or scrolling command, and if so, perform a movement or scrolling judgment program; e: determine whether it is The left button instruction, if yes, executes a left button determination program; and f: determines whether it is a right button instruction, and if so, executes a right button determination program, and if not, returns to step b. The method of claim 6, wherein the step b further includes the following steps: b1: detecting whether the pulse wave of each microphone is high, if not, continuously detecting; b2 : Start each microphone to blow the air volume count; b3: detect whether all the microphone induced pulse waves are low, if not, return to step b1; and b4: find the position with the largest blow volume. The handicap mouse according to claim 7, wherein the step d further comprises the following steps: D1: judging whether it is an upshift instruction, if yes, indicating that the Y1 pulse advances the Y2 pulse, and then returns to step b; d2: determining whether it is a downward shift instruction, and if so, indicating that the Y1 pulse is behind the Y2 pulse, and then returns to the step b; d3: determine whether it is a left shift instruction, if it is, it indicates that the X1 pulse advances the X2 pulse, and then returns to step b; d4: determines whether it is a right shift instruction, and if so, indicates that the X1 pulse is behind the X2 pulse, and then returns Go to step b; d5: determine whether it is a rollup command, if yes, it indicates that the Z1 pulse advances the Z2 pulse, and then returns to step b; and d6: judges whether it is the roll instruction, and if so, indicates that the Z1 pulse is behind the Z2 pulse Then, return to step b, and if not, return to step b. The handicap mouse of claim 7, wherein the step e further includes the following steps: e1: determining whether it is long gas, and if so, a drag command, and then returning to step b; E2: If no, the left button switch is once, and the drag is released, then return to step b. The method of claim 7, wherein the step f further includes the following steps: f1: determining whether it is long gas, and if so, a scrolling instruction, and then returning to step b; And f2: If no, the right button is switched once, and the scrolling is released, and then returns to step b.