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Method for infrared remote control of computer

An infrared remote control and computer technology, applied in the field of infrared remote control, can solve the problems of poor expansion of address codes and data codes, and achieve the effect of avoiding conflicts and mutual interference and increasing data capacity.

Active Publication Date: 2010-06-02
CHENGDU JIUZHOU ELECTRONIC INFORMATION SYSTEM CO LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the defect that the address code and data code expansion of the existing computer infrared remote control method is not strong, and propose a computer infrared remote control method

Method used

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  • Method for infrared remote control of computer
  • Method for infrared remote control of computer

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0025] Such as figure 1 Shown is the computer infrared remote control system applied by the present invention, in which the system mainly includes an infrared signal sending end (such as a remote controller), an infrared signal receiving end (such as an infrared receiver, an infrared adapter) and a computer (such as a small computer) to form , the remote controller and the infrared receiver are wirelessly connected, using infrared signals for communication, and the infrared receiver and the small computer are connected through a USB interface to realize communication. As an extension of this system, it also includes a TV and a server. The TV is connected to a small computer through an audio-visual cable, and is used as a display device of the small computer. The server is composed of a Portal server, a film and television program server, and a ...

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Abstract

The invention relates to a method for the infrared remote control of a computer, which is applied to an infrared remote control system of the computer. The infrared remote control system of the computer consists of an infrared signal sending terminal, an infrared signal receiving terminal and the computer. The method comprises the following steps of: S1, performing initialization; S2, scanning a keyboard; S3, sending an infrared remote control signal with a complete code; and S4, judging whether an infrared remote control signal with a duplication code is sent or not. The method has the advantages that: by extending the encoding bits of an address code and a data code of the complete code of the infrared remote control signal and extending the encoding bits to 12bit from 8bit, the data capacity of the infrared remote control signal is increased by 16 times, the conflicts and the mutual interferences between the address codes of different remote control devices are avoided, and simultaneously, the increase of the data code adapts to complex operational processes of the computer, so the integration of the operations of household electrical appliances and the computer is implemented.

Description

technical field [0001] The invention belongs to the technical field of infrared remote control, in particular to an infrared remote control method suitable for computer infrared remote control. Background technique [0002] At present, the technologies for short-distance wireless transmission or control between devices mainly include Bluetooth, WAPI, Wi-Fi, NFC, Zigbee, Wireless USB, Wireless 1394, and IrDA. The most economical way is IrDA infrared transmission and control. Infrared technology uses near-infrared rays with a wavelength between 0.76 μm and 1.5 μm to transmit control signals. The infrared communication process mainly includes two processes: infrared emission and infrared reception. The signal sent by infrared needs to be modulated to reduce the error probability, and the carrier frequency is between 30kHZ-60kHZ. Commonly used infrared coding methods include NEC, Philips, Sony, Sharp, Panasonic, Nokia, etc. The technologies based on different protocols are mai...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08C23/04G06F3/038
Inventor 杨运平吕昱邢保振余化鹏
Owner CHENGDU JIUZHOU ELECTRONIC INFORMATION SYSTEM CO LTD
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