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Computer peripheral device and its working method

A peripheral device and computer technology, applied in computing, micro-control devices, instruments, etc., can solve the undisclosed problem of switching to a USB mouse, etc., and achieve the effect of saving resources

Inactive Publication Date: 2004-10-20
LENOVO (BEIJING) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Neither the patent application nor the authorized utility model discloses a wireless mouse that can be switched to a USB mouse and is also used as a wireless communication interface of a computer as a USB mouse.

Method used

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  • Computer peripheral device and its working method
  • Computer peripheral device and its working method
  • Computer peripheral device and its working method

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Embodiment Construction

[0034] In order to make it easier for those skilled in the art to implement and understand the present invention, the present invention is now described through embodiments in conjunction with the accompanying drawings. It should be understood that the present invention is not limited to the embodiments described here.

[0035] figure 1 A functional block diagram of a wireless mouse with USB functionality according to an embodiment of the present invention is shown. Wherein, the circuit in the dotted line box is the circuit of the common wireless mouse. The mouse signal module 14 , microcontroller MCU15 and wireless module 16 are powered directly by the internal power supply module 13 . The mouse signal module 14 can be a photoelectric mouse signal module, a wheel mouse signal module or a trackball signal module, and the X and Y axis positions of the mouse signal module 14 location are sent to the microcontroller MCU15 through the serial device interface SPI (Serial Periphera...

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PUM

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Abstract

The peripheral unit includes internal power source; wireless communication device, signal collection unit, wired interface; device for testing wired interface; devices for processing and controlling peripheral devices, and for interacting with computers or other devices having interface; switching control device for controlling power for a computer peripheral device supplied from wired interface or from internal power source. The method includes following steps: testing state of interface of peripheral device; based on tested states, determining whether interface of peripheral device is connected to computer through wired connection or not; If yes, power is switched to pins of power lines of interface, and disconnecting internal power supply; if no, power is supplied from internal. Mouse input device can be switched between wireless function and wired function. Moreover, wired mouse state can extend one wireless adapter for computer automatically so as to save resources.

Description

technical field [0001] The present invention relates to computer and information technology, in particular to computer peripheral device and its working method; in particular, to a computer peripheral device with automatic switching function-mouse and its working method. Background technique [0002] With the gradual maturity of short-distance wireless technologies, such as Bluetooth technology and radio frequency technology, more and more personal electronic devices, such as mobile phones and handheld computers, have wireless functions, which can realize wireless interconnection between devices. In the peripheral input and output devices of personal computers, there are also more and more wireless peripherals, such as wireless mice, wireless keyboards, wireless earphones, wireless printers and so on. Among them, the application of wireless mouse in personal computer is the most. [0003] As far as personal computers are concerned, there are many notebook computers that hav...

Claims

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Application Information

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IPC IPC(8): G06F3/033G06F9/22G06F11/00G06F13/10
Inventor 袁康胡兆伟
Owner LENOVO (BEIJING) CO LTD
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