CN1156138C - 产生振铃信号的方法和设备 - Google Patents
产生振铃信号的方法和设备 Download PDFInfo
- Publication number
- CN1156138C CN1156138C CNB961986867A CN96198686A CN1156138C CN 1156138 C CN1156138 C CN 1156138C CN B961986867 A CNB961986867 A CN B961986867A CN 96198686 A CN96198686 A CN 96198686A CN 1156138 C CN1156138 C CN 1156138C
- Authority
- CN
- China
- Prior art keywords
- voltage
- electric current
- line
- current
- value
- 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
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Devices For Supply Of Signal Current (AREA)
- Interface Circuits In Exchanges (AREA)
- Telephonic Communication Services (AREA)
Abstract
Description
Claims (14)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE95043188 | 1995-12-01 | ||
SE9504318A SE506296C2 (sv) | 1995-12-01 | 1995-12-01 | Förfarande och anordning för alstrande av en ringsignal |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1203721A CN1203721A (zh) | 1998-12-30 |
CN1156138C true CN1156138C (zh) | 2004-06-30 |
Family
ID=20400448
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB961986867A Expired - Fee Related CN1156138C (zh) | 1995-12-01 | 1996-12-02 | 产生振铃信号的方法和设备 |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0864221B1 (zh) |
JP (1) | JP3763580B2 (zh) |
KR (1) | KR100343343B1 (zh) |
CN (1) | CN1156138C (zh) |
AU (1) | AU1047497A (zh) |
CA (1) | CA2239051A1 (zh) |
DE (1) | DE69631894T2 (zh) |
SE (1) | SE506296C2 (zh) |
WO (1) | WO1997021300A1 (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1059999C (zh) * | 1998-06-15 | 2000-12-27 | 深圳市华为电气股份有限公司 | 铃流变换器 |
CN111405131B (zh) * | 2020-03-30 | 2021-04-20 | 深圳震有科技股份有限公司 | 一种远端摘机信号的检测方法、系统及存储介质 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2113044B (en) * | 1981-12-03 | 1985-05-01 | Standard Telephones Cables Ltd | Telephone ringing signal generation |
SE502276C2 (sv) * | 1994-01-21 | 1995-09-25 | Ericsson Telefon Ab L M | Förfarande och anordning för generering av en ringsignal |
-
1995
- 1995-12-01 SE SE9504318A patent/SE506296C2/sv not_active IP Right Cessation
-
1996
- 1996-12-02 EP EP96941287A patent/EP0864221B1/en not_active Expired - Lifetime
- 1996-12-02 AU AU10474/97A patent/AU1047497A/en not_active Abandoned
- 1996-12-02 CN CNB961986867A patent/CN1156138C/zh not_active Expired - Fee Related
- 1996-12-02 CA CA002239051A patent/CA2239051A1/en not_active Abandoned
- 1996-12-02 KR KR1019980704002A patent/KR100343343B1/ko not_active IP Right Cessation
- 1996-12-02 WO PCT/SE1996/001585 patent/WO1997021300A1/en active IP Right Grant
- 1996-12-02 DE DE69631894T patent/DE69631894T2/de not_active Expired - Lifetime
- 1996-12-02 JP JP52120397A patent/JP3763580B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
AU1047497A (en) | 1997-06-27 |
JP2000501906A (ja) | 2000-02-15 |
CA2239051A1 (en) | 1997-06-12 |
SE9504318L (sv) | 1997-06-02 |
SE506296C2 (sv) | 1997-12-01 |
EP0864221B1 (en) | 2004-03-17 |
SE9504318D0 (sv) | 1995-12-01 |
EP0864221A1 (en) | 1998-09-16 |
KR19990071724A (ko) | 1999-09-27 |
CN1203721A (zh) | 1998-12-30 |
DE69631894T2 (de) | 2005-04-14 |
JP3763580B2 (ja) | 2006-04-05 |
KR100343343B1 (ko) | 2002-10-25 |
DE69631894D1 (de) | 2004-04-22 |
WO1997021300A1 (en) | 1997-06-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: INFINEON TECHNOLOGIES AG Free format text: FORMER OWNER: ELLISON TELEPHONE CO., LTD. Effective date: 20040827 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20040827 Address after: Munich, Germany Patentee after: INFINEON TECHNOLOGIES AG Address before: Stockholm Patentee before: Telefonaktiebolaget LM Ericsson |
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REG | Reference to a national code |
Ref country code: HK Ref legal event code: WD Ref document number: 1017198 Country of ref document: HK |
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Owner name: INFINEON TECHNOLOGIES AG Free format text: FORMER OWNER: INFENNIAN TECHNOLOGIES AG Effective date: 20110427 |
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C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee |
Owner name: LANTIQ DEUTSCHLAND GMBH Free format text: FORMER NAME: INFINEON TECHNOLOGIES WIRELESS SOLUTIONS AB Owner name: INFINEON TECHNOLOGIES WIRELESS SOLUTIONS AB Free format text: FORMER NAME: INFINEON TECHNOLOGIES AG |
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COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: MUNICH, GERMANY TO: NEUBIBERG, GERMANY |
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CP01 | Change in the name or title of a patent holder |
Address after: German Neubiberg Patentee after: Lantiq Deutschland GmbH Address before: German Neubiberg Patentee before: Infineon Technologies Wireless Solutions Ltd. Address after: German Neubiberg Patentee after: Infineon Technologies Wireless Solutions Ltd. Address before: German Neubiberg Patentee before: Infineon Technologies AG |
|
TR01 | Transfer of patent right |
Effective date of registration: 20110427 Address after: German Neubiberg Patentee after: Infineon Technologies AG Address before: Munich, Germany Patentee before: INFINEON TECHNOLOGIES AG |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040630 Termination date: 20121202 |