Title:
TELEPHONE AUDIO CODE WIRELESS REMOTE CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2005/125169
Kind Code:
A1
Abstract:
A telephone audio codec wireless remote control device comprises a audio decoding transmitter, which arranged in the range of specific distance of telephone so as to receive audio signals (DTMF) generated when user pressed the telephone key, convert it to remote control signals and transmit it. Said audio-decoding transmitter includes a pickup, a DTMF decoder, a microcontroller and an amplifying and transmitting circuit. The present invention can use a single device to respectively control a plurality of controlled device, thus effectively solve the problem of usage inconvenience as a result of different controlled device having different remote controller.
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Inventors:
LEI CHAO LUNG (CN)
Application Number:
PCT/CN2005/000797
Publication Date:
December 29, 2005
Filing Date:
June 07, 2005
Export Citation:
Assignee:
JAO CHIN AN (CN)
LEI CHAO LUNG (CN)
LEI CHAO LUNG (CN)
International Classes:
G08C17/02; H04M11/00; (IPC1-7): H04M11/00
Foreign References:
| CN2483840Y | 2002-03-27 | |||
| CN2413449Y | 2001-01-03 | |||
| EP1109393A1 | 2001-06-20 |
Attorney, Agent or Firm:
BEIJING SANYOU INTELLECTUAL PROPERTY AGENCY LTD. (Corporate Square No.35 Jinrong Street, 2 Beijing, CN)
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