TWI723741B - Button device and button voice suppression method - Google Patents

Abstract

A button device and a button voice suppression method are provided. The method includes: receiving a first button voice generated by pressing a first physical button disposed in the button device when the first physical button is pressed; and outputting a first suppression voice according to the first button voice to suppress the first button voice by the first suppression voice.

Description

Button device and button sound suppression method

The present invention relates to a sound suppression technology, and more particularly relates to a button device and a button sound suppression method.

Generally speaking, users will make more or less noise when they click on the mouse button. In most cases, the noise generated by mouse clicks can be ignored. However, in some cases, such as in a multi-person office, an Internet cafe, or any time and place where the user does not want to be disturbed by noise, the noise generated by mouse clicks may also be quite annoying.

In view of this, the embodiments of the present invention provide a key device and a key sound suppression method, which can effectively suppress the noise generated by pressing the physical keys on the key device.

An embodiment of the present invention provides a button device, which includes a device body, a first physical button, a first radio device, a first speaker, and a controller. The first physical button is arranged on the device body. The first radio device is arranged on the device body. The first speaker is arranged on the device body. The controller is disposed on the device body and coupled to the first radio device and the first speaker. When the first physical button is pressed, the controller receives the first button sound generated by the first physical button being pressed via the first radio device, and the controller receives the first button sound generated by pressing the first physical button according to the first button The sound controls the first speaker to output a first suppression sound, so that the first key-press sound is suppressed by the first suppression sound.

An embodiment of the present invention further provides a key-press sound suppression method, which includes: when a first physical key provided in a key device is pressed, receiving a first key-press sound generated by pressing the first physical key; and The first key-press sound outputs a first suppression sound, so that the first key-press sound is suppressed by the first suppression sound.

Based on the above, when the first physical key provided in the key device is pressed, the first key tone generated by the first physical key being pressed can be received. Then, according to the first key-press sound, a first suppression sound may be output to suppress the first key-press sound by the first suppression sound. Thereby, the noise generated when the user operates the key device can be effectively reduced.

FIG. 1 is a functional block diagram of a key device according to an embodiment of the present invention. 1, in an embodiment, the button device 10 includes a physical button (also called a first physical button) 11, a radio device (also called a first radio device) 12, and a speaker (also called a first speaker) 13 and controller 14. For example, the key device 10 may be a mouse or similar pointer control device or pointer movement device. For example, the key device 10 can be connected to an external host (such as a computer) to control the movement of the pointer of the external host or output operation signals to the external host.

The physical button 11 is disposed on the button device 10 and can be pressed (for example, clicked) to generate a click signal. This click signal can be provided to the external host. The sound receiving device 12 is disposed on the key device 10 and may include at least one microphone to receive the key tone (also referred to as the first key tone) generated by pressing the physical key 11. The speaker 13 is disposed on the key device 10 and may include at least one speaker to output a suppression sound (also referred to as a first suppression sound) for suppressing the first key sound.

The controller 14 is coupled to the radio device 12 and the speaker 13 and can be used to control the radio device 12 and the speaker 13. The controller 14 may include any programmable general-purpose or special-purpose microprocessor, digital signal processor (Digital Signal Processor, DSP), programmable controller, special application integrated circuit (Application Specific Integrated Circuits, ASIC). ), Programmable Logic Device (PLD) or other similar devices or a combination of these devices.

FIG. 2 is a top view of the appearance of the key device according to an embodiment of the present invention. Fig. 3 is a left side view of the key device according to an embodiment of the present invention. 2 and 3, in one embodiment, the key device 10 includes a device body 21 and an upper cover 22. The physical button 11, the radio device 12 and the speaker 13 are all arranged in the device body 21. The user can simultaneously press the physical button 11 by pressing the upper cover 22. In an embodiment, the key device 10 further includes a scroll wheel 23. The user can slide the scroll wheel 23 and send the corresponding scroll signal to the external device.

In an embodiment, when the physical button 11 is pressed, the controller 14 may receive the first key tone generated by the physical button 11 through the radio device 12. For example, the first key tone may be the mechanism noises such as "Ans" and "Ans" generated by the user pressing the physical key 11. Then, the controller 14 can control the speaker 13 to output the first suppression sound according to the first key-press sound, so as to suppress the first key-press sound by the first suppression sound.

In an embodiment, the controller 14 may analyze the sound source frequency of the first key tone. The controller 14 can generate an inverted signal according to the analyzed frequency of the sound source. Then, the controller 14 can control the speaker 13 to output the first suppressed sound according to the inverted signal. For example, the frequency and gain of the first suppressed tone may be the same or close to the source frequency and gain of the first key tone, respectively. The output first suppressed sound can be used to cancel the first key-press sound on the hearing of human ears.

Taking FIG. 3 as an example, when the user presses the upper cover 22 to synchronously press the physical button 11, a closed space (also called a closed cavity) is formed between the upper cover 22 and the device body 21. At this time, according to the first key press sound from the closed cavity received by the radio device 12, the controller 14 can control the speaker 13 to output the first suppressed sound to the closed cavity. The first suppressed sound can produce an effect of suppressing and/or canceling the first key-press sound in the sealed cavity.

In other words, traditionally, the first keypress sound will resonate in the sealed cavity and be transmitted to the outside of the device. However, in the foregoing embodiment, by synchronously inputting the first suppression sound into the closed cavity, the first key press sound can be effectively suppressed. In addition, in one embodiment, regardless of whether the upper cover 22 is pressed down, the sealed cavity exists between the upper cover 22 and the device body 21, and the radio device 12 and the speaker 13 can also be preset to be arranged in this sealed cavity in.

In an embodiment, the physical button 11, the radio device 12, and the speaker 13 are arranged in the device body 21 along the same axis 201, as shown in FIG. 2. For example, the axis 201 may pass through the respective central positions of the physical button 11, the radio device 12, and the speaker 13 respectively. Thereby, better effects of sound reception and noise suppression can be produced on this axis 201.

Please return to FIG. 1. In one embodiment, the button device 10 further includes a physical button (also called a second physical button) 15, a radio device (also called a second radio device) 16 and a speaker (also called a second Speaker) 17. The functions of the physical button 15, the radio device 16 and the speaker 17 are the same or similar to those of the physical button 11, the radio device 12 and the speaker 13. For example, the physical button 15 can also be pressed (for example, clicked) to generate a click signal. The sound receiving device 16 may include at least one microphone to receive the key tone (also referred to as the second key tone) generated by pressing the physical button 15. In addition, the speaker 17 may include at least one speaker to output a suppression sound for suppressing the second key-press sound (also referred to as a second suppression sound).

Fig. 4 is a right side view of the key device according to an embodiment of the present invention. 2 and 4, in one embodiment, the physical button 11, the radio device 12 and the speaker 13, and the physical button 15, the radio device 16 and the speaker 17 are respectively disposed on the left and right sides of the button device 10 (or the device body 21) side. For example, the physical button 15, the radio device 16 and the speaker 17 can be arranged in the device body 21 along the same axis 202. For example, the axis 202 may pass through the respective center positions of the physical button 15, the sound receiving device 16, and the speaker 17 respectively. In addition, when the user operates the key device 10, the physical key 11 can correspond to the left mouse button, and the physical key 15 can correspond to the right mouse button.

In one embodiment, similar to the suppression of the first key-press sound, when the physical key 15 is pressed, the controller 14 may receive the second key-press sound generated by the physical key 15 being pressed via the radio device 16. Then, the controller 14 can control the speaker 17 to output the second suppression sound according to the second key-press sound, so as to suppress the second key-press sound by the second suppression sound. In other words, in the embodiment of FIG. 2, the arrangement and joint operation of the radio device 12 and the speaker 13 are used to suppress the first button sound generated by pressing the physical button 11, and the arrangement and common operation of the radio device 16 and the speaker 17 are The operation is to suppress the second key tone generated by the physical key 15 being pressed.

In an embodiment of FIG. 2, the distance between the radio device 12 and the physical button 11 (and/or the distance between the radio device 16 and the physical button 15) may be about 0.1 to 2 cm, and the speaker 13 and the physical button 11 The distance between 11 (and/or the distance between the speaker 17 and the physical button 15) may be about 0.1 to 3 cm, and the present invention is not limited to this. In another embodiment, the distance between each element can be adjusted according to practical requirements.

It should be noted that FIGS. 3 and 4 are intended to highlight the closed cavity between the upper cover 22 and the device body 21, so that the distance between the upper cover 22 and the device body 21 is relatively far. In practice, the distance between the upper cover 22 and the device body 21 can be closer, so that the roller 23 is exposed on the upper cover 22 for the user to operate (such as sliding the roller 23).

In addition, although FIGS. 2 to 4 are examples of using a mouse as a key device, the present invention is not limited to this. In some embodiments, the key device 10 of FIG. 1 can also be any key device that may emit a key tone during operation (for example, a touchpad with physical keys), and is not limited to a mouse.

Fig. 5 is a flowchart of a method for suppressing key-press sound according to an embodiment of the present invention. Referring to FIG. 5, in step S501, when the first physical key provided in the key device is pressed, the first key tone generated by the pressing of the first physical key is received. In step S502, a first suppression sound is output according to the first key-press sound, so as to suppress the first key-press sound by the first suppression sound.

However, each step in FIG. 5 has been described in detail as above, and will not be repeated here. It is worth noting that each step in FIG. 5 can be implemented as multiple program codes or circuits, and the present invention is not limited. In addition, the method in FIG. 5 can be used in conjunction with the above exemplary embodiments, or can be used alone, and the present invention is not limited.

In summary, one or more sets of radio devices and speakers can be arranged in the key device, so as to suppress the key tone generated by the pressing of the physical key through the cooperative operation of the radio device and the speaker. For example, in one embodiment, a combination of a radio device and a speaker can be used to suppress noise generated by clicking the left mouse button, and a combination of a radio device and a speaker can be used to suppress the right mouse button from being clicked. The noise produced. Thereby, the comfort of the user when operating the key device can be effectively improved.

10: Button device 11, 15: physical buttons 12, 16: Radio device 13,17: speaker 14: Controller 21: Upper cover 22: Device body 23: Roller 201, 202: axis S501, S502: steps

FIG. 1 is a functional block diagram of a key device according to an embodiment of the present invention. FIG. 2 is a top view of the appearance of the key device according to an embodiment of the present invention. Fig. 3 is a left side view of the key device according to an embodiment of the present invention. Fig. 4 is a right side view of the key device according to an embodiment of the present invention. Fig. 5 is a flowchart of a method for suppressing key-press sound according to an embodiment of the present invention.

S501, S502: steps

Claims (8)

A button device includes: a device body; a first physical button arranged on the device body; a first radio device arranged on the device body; a first speaker arranged on the device body; and a controller, It is arranged on the device body and is coupled to the first radio device and the first speaker, wherein when the first physical button is pressed, the controller receives the first physical button to be pressed through the first radio device to generate The controller controls the first speaker to output a first suppressed sound according to the first button sound, so as to suppress the first button sound by the first suppressed sound, wherein the first physical button , The first radio device and the first speaker are arranged along the same axis. The key device according to the first item of the scope of patent application, wherein the controller controlling the first speaker to output the first suppressed sound according to the first key sound includes: analyzing a sound source frequency of the first key sound; An inverted signal is generated according to the frequency of the sound source; and the first speaker is controlled to output the first suppressed sound according to the inverted signal. The key device according to the first item of the scope of patent application, wherein the first radio device and the first speaker are arranged in a closed cavity in the device body. For example, the key device described in item 1 of the scope of patent application further includes: a second physical key provided on the device body; a second radio device provided on the device body and coupled to the controller; and a first Two speakers are arranged on the device body and coupled to the controller, wherein when the second physical button is pressed, the controller further receives through the second radio device a first generated by the second physical button being pressed Two key sounds, and the controller controls the second speaker to output a second suppression sound according to the second key sounds, so as to suppress the second key sounds by the second suppression sounds. A key-press sound suppression method includes: when a first physical key provided in a key device is pressed, receiving a first key-press sound generated by the first physical key being pressed; and outputting a first key-press sound according to the first key-press sound A suppression sound to suppress the first key press sound by the first suppression sound; when a second physical key provided on the key device is pressed, a second key generated by receiving the second physical key is pressed And output a second suppression sound according to the second key-press sound, so as to suppress the second key-press sound by the second suppression sound. As described in the fifth item of the scope of patent application, the step of outputting the first suppressed sound according to the first button sound includes: analyzing a sound source frequency of the first button sound; generating according to the sound source frequency An inverted signal; and The first suppression tone is output according to the inverted signal. According to the method for suppressing the key tone described in item 5 of the scope of patent application, the first physical key, the first radio device and the first speaker are arranged along the same axis. According to the key-press sound suppression method described in item 5 of the scope of patent application, the first sound-receiving device and the first speaker are arranged in a closed cavity in the body of the device.

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