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multifunction keyboard

A multi-functional, keyboard technology, applied in the direction of instrumentation, error detection/correction, calculation, etc., can solve the problem of not being able to display the working status of the computer

Active Publication Date: 2020-11-13
BEIJING JIAOWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, there are generally three monochrome lights on the keyboard, and these three monochrome lights are caps lock, number lock and scroll lock respectively, but these three monochrome lights only show the working status of the keyboard, and cannot display the working status

Method used

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Embodiment Construction

[0023] Please refer to figure 1 , The preferred embodiment of the multifunctional keyboard of the present invention includes a USB HUB controller 10, a keyboard controller 20, a control chip 30, a display light 40 and an AND gate U1. In this embodiment, the USB HUB controller 10 is connected to the computer 50 through a USB bus.

[0024] In this embodiment, the keyboard controller 20 controls the caps lock function as an example for illustration. The keyboard controller 20 is connected to a USB interface of the USB HUB controller 10 through a USB bus and outputs a lock signal to the AND gate U1.

[0025] The control chip 30 is a PSOC chip (Programmable System-On-Chip, programmable system chip on chip), the control chip 30 includes two control pins GPIO1 and GPIO2, the control chip 30 is used to receive the prompt information sent by the computer 50 And output the corresponding control signal through the pins GPIO1 and GPIO2 according to the corresponding prompt information. ...

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PUM

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Abstract

A multifunctional keyboard comprises a USB HUB controller, a keyboard controller, a control chip, an AND gate and a display lamp, wherein the keyboard controller is used for output a locking signal tothe AND gate according to the state of the keyboard, the control chip receives a prompt signal output by a computer through the USB HUB controller and outputs a corresponding control signal to the AND gate, and the AND gate outputs a corresponding level signal to the display lamp according the received locking signal and control signal. The multifunctional keyboard uses the display lamp to receive the level signal output by the AND gate so as to display the current operation state of the computer.

Description

technical field [0001] The invention relates to a keyboard, in particular to a multifunctional keyboard. Background technique [0002] At present, there are generally three monochrome lights on the keyboard, and these three monochrome lights are caps lock, number lock and scroll lock respectively, but these three monochrome lights only show the working status of the keyboard, and cannot display the status of the computer. working status. Contents of the invention [0003] In view of the above, the present invention provides a multifunctional keyboard capable of displaying the working status of a computer. [0004] A multifunctional keyboard comprising: [0005] A USB HUB controller; [0006] A keyboard controller connected to the USB HUB controller, for outputting a locking signal according to the state of the keyboard; [0007] A control chip, the control chip receives a prompt signal output by the computer through the USB HUB controller, the control chip includes a f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/02G06F11/32
CPCG06F3/0202G06F11/325
Inventor 姚月祥
Owner BEIJING JIAOWEI TECH CO LTD
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