Phonetic prompt device for intelligent phone set |
Title： |
| Phonetic prompt device for intelligent phone set |
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Application Number： |
02117005 |
Application Date： |
2002/04/27 |
Announcement Date： |
2003/11/05 |
Pub. Date： |
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Publication Number： |
1453976 |
Announcement Number： |
1210929 |
Grant Date： |
2005-7-13 |
Granted Pub. Date： |
2005-7-13 |
ApplicationType： |
Invention |
State/Country： |
11[China|beijing] |
IPC： |
H04M 1/60, H04M 3/40 |
Applicant(s)： |
Tsinghua Univ. |
Inventor(s)： |
Yang Shiyuan, Ye Zhaohui, Tang Guangrong |
Key Words： |
Phonetic prompt device, intelligent phone set |
Abstract： |
In the present invention, voice chip address line AO-A9 is connected with PO mouth P0.0-P0.7 and P1 mouth P1.0-1.1 of monolithic computer, input end P/R of voice chip record-playback mode selection control, input end of energy saving mode control, input end CE of wafer selective signal and input end OVE of overflow flag are connected with P1 mouth P1.2-1.5 of the monolithic computer separately; output end EOM of voice chip information end flag is connected with external interrupt input INT1 of the monolithic computer, output signal of voice chip is conencted with phone line via capacity coupler 1 by its SP+ end together with signal amplifying circuit and phone line input signal is connected to MIC end of ISD2590 chip via capacity coupler 2. |
Claim： |
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PCT： |
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 Relevancy information |
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| Last Update |
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2008-4-17 |
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Selected patents owned by Tsinghua University filed in 2005 are loaded. |
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2008-3-31 |
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Selected patents owned by Tsinghua University filed in 2006 and 2007 are load. |
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