Hand-held radio remote control device for computer multimedia courseware

A technology of multimedia courseware and radio remote control, which is applied to electrical components, near-field transmission systems using transceivers, transmission systems, etc., can solve the problem that multimedia courseware remote control is limited to page turning of Microsoftpowerpoint, Microsoftword and AdobePDF documents, whether it is impossible to demonstrate and Issues such as playback and volume can be remotely controlled at will, achieving the effects of easy portability, low cost, and convenient use

Inactive Publication Date: 2006-11-22
吴昌云
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0002] The Chinese invention patent with the patent number ZL03140513.4 discloses a device for wirelessly controlling multimedia courseware, which includes a laser pointer, a radio receiving and processing circuit and a computer. / Backward page turning and continuous page turning, the disadvantage is that the remote control of multimedia courseware is limited to the page turning of Microsoft powerpoint, Microsoftword and Adobe PDF documents, and the courseware cannot include words, texts, pictures, animations, images and sounds. Whether to demonstrate and play any media and the volume can be remotely controlled at will

Method used

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  • Hand-held radio remote control device for computer multimedia courseware
  • Hand-held radio remote control device for computer multimedia courseware
  • Hand-held radio remote control device for computer multimedia courseware

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Embodiment Construction

[0013] The principle and structure of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0014] exist figure 1 Among them, this embodiment includes a radio transmitting device I, a radio receiving device II and a computer IV for running multimedia courseware, and the radio transmitting device I is designed to transmit radio modulation composed of address code, data code and synchronous code during work. The radio encoding module and transmitting module of the signal, in the radio receiving device II are designed a receiving module, a decoding module and a control unit for receiving and processing radio modulation signals, the encoding module adopts the PT2262 chip, the signal processing adopts the LM358 chip, and the decoding module adopts the PT2272 temporarily The storage chip, the terminal of the control unit adopts a DC relay, the radio receiving device II is connected with the keyboard III of the...

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Abstract

The invention discloses a hand-type radio remote control device of computer multimedia courseware, which comprises the following parts: one radio launching device, one radio receiver, and computer for operating multimedia courseware; the radiotransmitting installs launching modular and radio coding modular of radio modulation signal which is composed of address code, data code and synchronous code; the radio receiver installs reception module which receives and deals with radio modulating signal , decode module and control cell; the radio reception device connects to computer keyboard through wire. The invention simplifies the installation, which reduces the cost.

Description

technical field [0001] The invention relates to computer radio remote control technology, in particular to a handheld radio remote control device for computer multimedia courseware. Background technique [0002] The Chinese invention patent with the patent number ZL03140513.4 discloses a device for wirelessly controlling multimedia courseware, which includes a laser pointer, a radio receiving and processing circuit and a computer. / Backward page turning and continuous page turning, the disadvantage is that the remote control of multimedia courseware is limited to the page turning of Microsoft powerpoint, Microsoftword and Adobe PDF documents, and the courseware cannot include words, texts, pictures, animations, images and sounds. Whether to demonstrate and play any media and the volume can be remotely controlled at will. With the increasing promotion and popularization of computer-aided teaching, teachers have used modern teaching tools such as computers, projectors, and mu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B5/02H04B1/3827
Inventor 吴昌云杨丽惠
Owner 吴昌云
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