CN101138229B - 用于产生听觉音调的电路设备和方法以及通信发送设备 - Google Patents
用于产生听觉音调的电路设备和方法以及通信发送设备 Download PDFInfo
- Publication number
- CN101138229B CN101138229B CN200680001326.XA CN200680001326A CN101138229B CN 101138229 B CN101138229 B CN 101138229B CN 200680001326 A CN200680001326 A CN 200680001326A CN 101138229 B CN101138229 B CN 101138229B
- Authority
- CN
- China
- Prior art keywords
- voltage signal
- electronic
- circuit arrangement
- loud speaker
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Function (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
Description
Claims (26)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/DE2006/001187 WO2008003271A1 (de) | 2006-07-06 | 2006-07-06 | Schaltungsanordnung und verfahren zur erzeugung eines hörtons sowie kommunikationsendgerät |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101138229A CN101138229A (zh) | 2008-03-05 |
CN101138229B true CN101138229B (zh) | 2013-09-25 |
Family
ID=37762116
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200680001326.XA Expired - Fee Related CN101138229B (zh) | 2006-07-06 | 2006-07-06 | 用于产生听觉音调的电路设备和方法以及通信发送设备 |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1897359B1 (zh) |
CN (1) | CN101138229B (zh) |
WO (1) | WO2008003271A1 (zh) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0472289A2 (en) * | 1990-08-01 | 1992-02-26 | AT&T Corp. | Speakerphone state-controlled alerting arrangement |
US5923748A (en) * | 1997-03-06 | 1999-07-13 | Winbond Electronics Corp. | Telephone device for preventing a long-term on-line state resulting from the handset being unintentionally off-hook |
-
2006
- 2006-07-06 EP EP06761785A patent/EP1897359B1/de not_active Not-in-force
- 2006-07-06 WO PCT/DE2006/001187 patent/WO2008003271A1/de active Application Filing
- 2006-07-06 CN CN200680001326.XA patent/CN101138229B/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0472289A2 (en) * | 1990-08-01 | 1992-02-26 | AT&T Corp. | Speakerphone state-controlled alerting arrangement |
US5923748A (en) * | 1997-03-06 | 1999-07-13 | Winbond Electronics Corp. | Telephone device for preventing a long-term on-line state resulting from the handset being unintentionally off-hook |
Also Published As
Publication number | Publication date |
---|---|
EP1897359B1 (de) | 2012-09-12 |
EP1897359A1 (de) | 2008-03-12 |
WO2008003271A1 (de) | 2008-01-10 |
CN101138229A (zh) | 2008-03-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
ASS | Succession or assignment of patent right |
Owner name: XINTE LYONS RADIO MODULE CO.,LTD. Free format text: FORMER OWNER: SIEMENS AG Effective date: 20090403 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20090403 Address after: Munich, Germany Applicant after: Cinterion wireless modules GMBH Address before: Munich, Germany Applicant before: Siemens AG |
|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 Termination date: 20140706 |
|
EXPY | Termination of patent right or utility model |