TWI493540B - Keyboard input system - Google Patents

Description

Keyboard input system

This invention relates to an input system and, more particularly, to an input system having illuminated keys.

Light-Emitting Diode (LED) has the advantages of high brightness and low power consumption. In recent years, it has been widely used in lighting systems in various fields, and the illuminated keyboard is one of them. The light-emitting diode is placed under the keyboard key cover, and then the key cover is filled with a light-transmitting material indicating the symbol or character of the character to be molded.

The invention of the illuminated keyboard allows the user to use the computer equipment in various occasions without worrying about the lack of lighting in the environment, causing the eyes to be troubled by the inability to see the keyboard and reducing work efficiency.

However, only the illuminated keyboard is used as a typing input device, and it cannot be applied to other aspects at other levels. For example, if it can be combined with the voice recognition function, it can be applied in more fields in other fields.

For this reason, it is necessary to combine the illuminated keyboard with other functions.

An aspect of the present invention provides an input device for illuminating a button corresponding to the character by means of recognizing a voice as a text input, so that the user can press the button with the light to complete the input to form the voice. Text.

An embodiment of the invention relates to an input system for recognizing a speech as a text input, comprising a speech receiving unit, an analog/digital conversion unit, a speech recognition device, and a keyboard. The voice receiving unit is configured to receive the analog voice to generate an analog signal; the analog/digital conversion unit is electrically connected to the voice receiving unit to convert the analog signal into a digital signal; and the voice recognition device is electrically connected to the analog/digital conversion unit. a character input control signal for recognizing the digital signal to generate the corresponding voice; and the keyboard includes a plurality of keys, the keyboard is electrically connected to the voice recognition device, and the text input control signal controls the button light that can input the text constituting the voice to The user inputs the words constituting the voice by pressing the illuminated button accordingly.

A second embodiment of the present invention relates to an input system in which a button further includes a key cover and a light transmissive word die, and the light transmissive word mold is embedded in the key cover to indicate a character symbol corresponding to the key cover.

Another embodiment of the present invention is directed to an input system, wherein the keyboard further includes a circuit board located under the key cover and including a plurality of light emitting regions, wherein the light emitting regions correspond to the key cover and are used for corresponding text input control signals to emit light.

A further embodiment of the present invention relates to an input system, wherein the speech recognition device is further configured to control the illumination area to be simultaneously or sequentially illuminated according to the text input control signal and extinguished after a preset time.

A further embodiment of the present invention relates to an input system, wherein the voice recognition device further includes a microcontroller, the microcontroller is electrically connected with the analog/digital conversion unit and the keyboard, and is configured to identify the digital signal and control the light-emitting area. Text input control signals are illuminated simultaneously or sequentially and at a preset time After the interval is extinguished.

Another embodiment of the present invention relates to an input system, wherein the identification device further includes a microcontroller and a timer. The microcontroller is electrically connected to the analog/digital conversion unit for recognizing the digital signal and controlling the illumination area according to the text input. The control signal is illuminated and extinguished after a predetermined time; and the timer is electrically connected to the microcontroller and the keyboard for timing the preset time of the illumination area to sequentially emit light according to the text input control signal.

Yet another embodiment of the present invention is directed to an input system in which each of the light emitting regions includes a light emitting diode.

Still another embodiment of the present invention is directed to an input system wherein the keyboard is one of a physical keyboard and a virtual keyboard.

A second embodiment of the present invention relates to an input system, further comprising a display unit electrically connected to the voice recognition device for displaying the text.

The embodiments are described in detail below with reference to the accompanying drawings, but the embodiments are not intended to limit the scope of the invention, and the description of the structure operation is not intended to limit the order of execution, any component recombination The structure, which produces equal devices, is within the scope of the present invention. In addition, the drawings are for illustrative purposes only and are not drawn to the original dimensions.

As used herein, "about", "about" or "substantially" generally means that the error or range of the index value is within 20%, preferably within 10%, and more preferably It is within 5 percent. Unless otherwise stated in the text, the numerical values mentioned are regarded as approximations, that is, as "about", The error or range indicated by "about" or "roughly".

FIG. 1 is a circuit diagram of an input system according to an embodiment of the invention. The input system 100a is configured to recognize a voice as a text input, and includes a voice receiving unit 120, an analog/digital converting unit 140, a voice recognition device 160, and a keyboard 180. The voice receiving unit 120 is configured to receive the analog voice to generate an analog signal, and the analog/digital conversion unit 140 is electrically connected to the voice receiving unit 120 for converting the analog signal into a digital signal. The speech recognition device 160 is electrically connected to the analog/digital conversion unit 140 for recognizing the digital signal to generate a text input control signal corresponding to the speech, and the keyboard 180 is electrically connected to the speech recognition device 160, and the keyboard 180 includes a plurality of Button 200.

When the voice receiving unit 120 receives the voice described above, the voice receiving unit 120 converts it into an analog signal, and then the analog/digital converting unit 140 converts the analog signal into a digital signal. Thereafter, the speech recognition device 160 recognizes the digital signal to generate a text input control signal corresponding to the voice, and the text input control signal controls the button 200 on the keyboard 180 to input the text constituting the speech; that is, the text input control The signal can control the button 200 on the keyboard 180 to emit light, and the illuminated button 200 can input text constituting the voice.

For example, if the user sends a voice of the English letter "A", the button "A" on the keyboard will light up. If the user speaks the voice of the English word "Kite", the buttons "K" and "I" on the keyboard. "," "T" and "E" will glow. In this way, the user can input the characters constituting the voice by pressing the illuminated button. It should be noted that, in practice, the keyboard 180 can be a physical keyboard or a virtual keyboard.

FIG. 2 is a schematic structural diagram of a keyboard according to an embodiment of the invention. In an embodiment, the aforementioned keyboard 180 can be a physical keyboard. As described above, the keyboard 180 includes a plurality of buttons 200. As can be seen from FIG. 2, each button 200 includes a key cover 220 and a transmissive font 240. The transmissive font 240 is embedded in the key cover 220 for indicating the key. The character symbol corresponding to the cover 220. Since the light transmissive font 240 can transmit light, when the text input control signal controls the button 200 on the keyboard 180 to emit light, the transmissive font 240 can display the character symbol corresponding to the key cover 220.

In addition, the keyboard 180 further includes a circuit board 260 and a support structure 280, wherein the circuit board 260 is located under the key cover 220 and includes a plurality of light-emitting areas 265, and the support structure 280 is located between the circuit board 260 and the key cover 220 for supporting Key cover 220. The light-emitting area 265 corresponds to the key cover 220, and each of the light-emitting areas 265 can include a light-emitting diode 270 for emitting light corresponding to the text input control signal. Therefore, in practice, the key cover 220 can be a light transmissive material, so that the light emitting area 265 can be seen by the user through the key cover 220 when the light is emitted.

Referring to FIG. 1 and FIG. 2 simultaneously, the voice recognition device 160 in FIG. 1 can further control at least one light-emitting region 265 on the keyboard 180 to simultaneously or sequentially emit light according to the aforementioned text input control signal, and Turn off after setting the time. In other words, the speech recognition device 160 can control the corresponding illumination area 265 to emit light, and cause the corresponding button 200 located above the illumination area 265 to emit light.

FIG. 3 is a circuit diagram of an input system according to another embodiment of the present invention. Compared with FIG. 1, in the present embodiment, the input system 100b is similar to the input system 100a, and the difference between the two is that The incoming system 100b includes a speech recognition device 360, and the speech recognition device 360 further includes a microcontroller 362. The connection and operation relationship of the remaining components are similar to the foregoing, and thus will not be described herein.

As shown in FIG. 3, the microcontroller 362 is electrically coupled to the analog/digital conversion unit 140 and the keyboard 180 for identifying the digital signal generated by the analog/digital conversion unit 140 and controlling the illumination area 265 on the keyboard 180 (see FIG. 2), the at least one light-emitting area 265 is enabled to emit light simultaneously or sequentially according to the text input control signal, and is extinguished after a preset time.

For example, if the user sends a voice of the English word "Kite", the voice receiving unit 120 converts it into an analog signal, and then the analog/digital converting unit 140 converts the analog signal into a digital signal. Thereafter, the microcontroller 362 in the speech recognition device 360 recognizes the digital signal to generate a text input control signal corresponding to the voice of "Kite", corresponding to the English letters "K", "I", "T", The light-emitting area 265 under the button 200 of the "E" will be illuminated simultaneously or sequentially; that is, the user will see the button 200 representing "K", "I", "T", "E" on the keyboard 180 at the same time. Lights up, or lights up in the order of "K" → "I" → "T" → "E", and goes out after the illumination continues for a preset time (for example, 0.5 seconds or 1 second).

4 is a circuit diagram of an input system according to another embodiment of the present invention. Compared with FIG. 1, in the present embodiment, the input system 100c is similar to the input system 100a, the difference being that the input system 100c includes the speech recognition device 460, and the speech recognition device 460 further includes the microcontroller 462. And a timer 464. The connection and operation relationship of the remaining components are similar to the foregoing, and thus will not be described herein.

As shown in FIG. 4, the microcontroller 462 and the analog/digital conversion unit 140 The electrical connection is used to recognize the digital signal and control the light-emitting area 265 (see FIG. 2), so that the light-emitting area 265 can be illuminated according to the text input control signal and extinguished after a preset time. The timer 464 is electrically connected to the microcontroller 462 and the keyboard 180 for timing the preset time of the light-emitting area 265 to sequentially emit light.

For example, if the microcontroller 462 controls the light-emitting area 265 to turn off after being illuminated for one second according to the text input control signal, the timer 464 counts the time when the light-emitting area 265 is illuminated. When the timer 464 counts the light-emitting area 265 for one second, Microcontroller 462 will again control the illumination area 265 to be extinguished.

FIG. 5 is a circuit diagram of an input system according to still another embodiment of the present invention. Compared to FIG. 1, in the present embodiment, the input system 100d is similar to the input system 100a, except that the input system 100d further includes a display unit 590. The connection and operation relationship of the remaining components are similar to the foregoing, and thus will not be described herein.

In the embodiment, the display unit 590 is electrically connected to the voice recognition device 160 for displaying the characters. As shown in FIG. 5, when the speech recognition device 160 recognizes the digital signal to generate a text input control signal corresponding to the speech, the text input control signal can control the button 200 on the keyboard 180 to emit light, and the illuminated button 200 The text constituting the above voice can be input. At this time, if the user presses the illuminated button 200, the character constituting the voice can be input to the display unit 590.

It should be noted that the voice recognition device 160 may also be the voice recognition device 360 in the embodiment shown in FIG. 3 or the voice recognition device 460 in the embodiment shown in FIG. 4, that is, the display unit 590 may also be used. The speech recognition device 360 in the embodiment shown in FIG. 3 or the speech recognition device 460 in the embodiment shown in FIG. 4 is electrically connected, and displays the user's illumination due to the pressing. The text entered by button 200.

In summary, the present invention discloses an input system that recognizes a voice emitted by a user into a corresponding text input and causes a button on the keyboard to emit light according to the aforementioned text input. For example, when the user speaks "Mike" to the input system, the buttons "M", "I", "K", and "E" on the keyboard can be seen to be illuminated simultaneously or sequentially.

In addition, the input system can also build a database to identify Chinese, so that users can also send Chinese voices, so that the corresponding buttons can be illuminated simultaneously or sequentially. For example, if you enter the "No Shrimp Input Method" database in the system, when the user makes a "I" voice, the buttons "I" and "X" on the keyboard will light up. The above description is only an example and is not intended to limit the invention. Any Chinese input method that can be built into the database and applied thereto is within the scope of the present invention.

Therefore, the present invention can utilize the function of the input system combined with the voice to help the user learn in the text and the input method. Let the beginners who learn the text can obtain the sensory stimulation and the willingness and interest of learning by seeing the light of the button. Whether it is remembering the position of each letter on the keyboard, learning the root of the Chinese input method or the recognition of the learning text, it can be achieved by the illuminated button.

In addition, because of the poor vision of people with mild amblyopia, they can make the button light through the voice, so that the eyes can see through the illuminated button more clearly. In this way, mildly visually impaired people can use the illuminated keyboard to make learning text easier.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the invention, and those skilled in the art, without departing from the spirit of the invention, In the scope of the invention, the scope of the invention is defined by the scope of the appended claims.

100a, 100b, 100c, 100d‧‧‧ input systems

120‧‧‧Voice receiving unit

140‧‧‧ Analog/Digital Conversion Unit

160, 360, 460‧‧‧ voice recognition device

180‧‧‧ keyboard

200‧‧‧ button

220‧‧‧Key cover

240‧‧‧Transmission font

260‧‧‧ circuit board

265‧‧‧Lighting area

270‧‧‧Timer

280‧‧‧Support structure

362, 462‧‧‧Microcontrollers

464‧‧‧Timer

590‧‧‧Display unit

FIG. 1 is a circuit diagram of an input system according to an embodiment of the invention.

FIG. 2 is a schematic structural diagram of a keyboard according to an embodiment of the invention.

FIG. 3 is a circuit diagram of an input system according to another embodiment of the present invention.

4 is a circuit diagram of an input system according to another embodiment of the present invention.

FIG. 5 is a circuit diagram of an input system according to still another embodiment of the present invention.

100a‧‧‧Input system

120‧‧‧Voice receiving unit

140‧‧‧ Analog/Digital Conversion Unit

160‧‧‧Voice recognition device

180‧‧‧ keyboard

200‧‧‧ button

Claims (9)

A keyboard input system for recognizing a voice as a text input, the keyboard input system comprising: a voice receiving unit for receiving the voice to generate an analog signal; a analog/digital conversion unit, and the voice receiving unit a logical connection device for converting the analog signal into a digital signal; a speech recognition device electrically connected to the analog/digital conversion unit for recognizing the digital signal to generate a text input control signal corresponding to the speech; The keyboard includes a plurality of buttons, and the keyboard is electrically connected to the voice recognition device. The character input control signal controls a button light that can input characters constituting the voice, so that the user can press the button with the light to complete the input. The text of the voice. The keyboard input system of claim 1, wherein the button further comprises: a key cover; and a light transmissive font embedded in the key cover to indicate a word corresponding to the key cover Meta symbol. The keyboard input system of claim 2, wherein the keyboard further comprises: a circuit board located under the key covers, the circuit board comprising: a plurality of light emitting areas, wherein the light emitting areas correspond to the keys The cover is used to emit light corresponding to the text input control signal. The keyboard input system of claim 3, wherein the voice recognition device is further configured to control the light-emitting areas to be simultaneously or sequentially illuminated according to the text input control signal and extinguished after a preset time. The keyboard input system of claim 3, wherein the speech recognition device further comprises: a microcontroller electrically connected to the analog/digital conversion unit and the keyboard for identifying the digital signal and controlling the illumination The area according to the text input control signal emits light simultaneously or sequentially and is extinguished after a preset time. The keyboard input system of claim 3, wherein the identification device further comprises: a microcontroller electrically connected to the analog/digital conversion unit for identifying the digital signal and controlling the light emitting regions according to the text The input control signal is illuminated and extinguished after a preset time; and a timer is electrically connected to the microcontroller and the keyboard for timing the light-emitting regions to sequentially emit light according to the text input control signal Set the time. The keyboard input system of any one of claims 3-6, wherein each of the light emitting regions comprises a light emitting diode. The keyboard input system of claim 1, wherein the keyboard is one of a physical keyboard and a virtual keyboard. The keyboard input system of claim 1, further comprising a display unit electrically connected to the voice recognition device for displaying the text.