DE69125973D1 - Steuer- und Schnittstellengerät für Fernsprechsysteme - Google Patents
Steuer- und Schnittstellengerät für FernsprechsystemeInfo
- Publication number
- DE69125973D1 DE69125973D1 DE69125973T DE69125973T DE69125973D1 DE 69125973 D1 DE69125973 D1 DE 69125973D1 DE 69125973 T DE69125973 T DE 69125973T DE 69125973 T DE69125973 T DE 69125973T DE 69125973 D1 DE69125973 D1 DE 69125973D1
- Authority
- DE
- Germany
- Prior art keywords
- control
- interface device
- telephone systems
- telephone
- systems
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
- H04M9/005—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line
- H04M9/006—Exchange line circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/005—Interface circuits for subscriber lines
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/02—Calling substations, e.g. by ringing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/42314—Systems providing special services or facilities to subscribers in private branch exchanges
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/58—Arrangements for transferring received calls from one subscriber to another; Arrangements affording interim conversations between either the calling or the called party and a third party
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
- H04M9/003—Transmission of control signals from or to the key telephone set; signalling equipment at key telephone set, e.g. keyboard or display equipment
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/546,322 US5048080A (en) | 1990-06-29 | 1990-06-29 | Control and interface apparatus for telephone systems |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69125973D1 true DE69125973D1 (de) | 1997-06-12 |
DE69125973T2 DE69125973T2 (de) | 1997-09-04 |
Family
ID=24179878
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69125973T Expired - Lifetime DE69125973T2 (de) | 1990-06-29 | 1991-06-21 | Steuer- und Schnittstellengerät für Fernsprechsysteme |
Country Status (9)
Country | Link |
---|---|
US (1) | US5048080A (de) |
EP (1) | EP0463832B1 (de) |
JP (1) | JP3238723B2 (de) |
KR (1) | KR950008865B1 (de) |
AU (1) | AU629481B2 (de) |
CA (1) | CA2045027C (de) |
DE (1) | DE69125973T2 (de) |
MX (1) | MX9100028A (de) |
SG (1) | SG42904A1 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5392339A (en) * | 1990-10-18 | 1995-02-21 | Fuji Xerox Co., Ltd. | Telephone transfer apparatus using a special signal for transfer in facsimile communication |
US5369700A (en) * | 1991-07-16 | 1994-11-29 | Japan Business Systems, Inc. | Multi-function telephone apparatus and control method |
JP3232640B2 (ja) * | 1992-04-14 | 2001-11-26 | 松下電器産業株式会社 | 電話交換機 |
US5649004A (en) * | 1992-04-28 | 1997-07-15 | Canon Kabushiki Kaisha | Private branch exchange |
EP0578994B1 (de) * | 1992-07-17 | 1999-03-03 | Siemens Business Communication Systems, Inc. (a Delaware corp.) | Verfahren und Vorrichtung zur Verbindung von Zusatzvorrichtungen mit einem digitalen Telefon |
US5309509A (en) * | 1992-07-27 | 1994-05-03 | At&T Bell Laboratories | Graphical user interface workstation |
US5493611A (en) * | 1994-05-20 | 1996-02-20 | At&T Corp. | User configurable telephone with alarm feature |
US6477248B1 (en) * | 1995-06-02 | 2002-11-05 | Teleport Communications Group Inc. | Multi-line station interface |
KR0143313B1 (ko) * | 1995-07-08 | 1998-08-01 | 김광호 | 키폰시스템에서의 밸런스 네트워크 |
US5765130A (en) * | 1996-05-21 | 1998-06-09 | Applied Language Technologies, Inc. | Method and apparatus for facilitating speech barge-in in connection with voice recognition systems |
US5875242A (en) * | 1996-07-26 | 1999-02-23 | Glaser; Lawrence F. | Telecommunications installation and management system and method |
US20040052343A1 (en) * | 1999-02-16 | 2004-03-18 | Glaser Lawrence F. | Telecommunications installation and management system and method |
JP3689669B2 (ja) * | 1999-06-07 | 2005-08-31 | インフィネオン テクノロジーズ アクチエンゲゼルシャフト | 電話の接地キー動作を耐干渉性をもって検出するための接地キー検出回路およびその方法。 |
US7043012B1 (en) * | 1999-10-07 | 2006-05-09 | Agere Systems Inc. | Method and apparatus for ring again feature for a telephone system |
EP2107553B1 (de) * | 2008-03-31 | 2011-05-18 | Harman Becker Automotive Systems GmbH | Verfahren zur Erkennung einer Unterbrechung einer Sprachausgabe |
EP2148325B1 (de) * | 2008-07-22 | 2014-10-01 | Nuance Communications, Inc. | Verfahren zur Bestimmung der Anwesenheit einer gewollten Signalkomponente |
WO2013187932A1 (en) | 2012-06-10 | 2013-12-19 | Nuance Communications, Inc. | Noise dependent signal processing for in-car communication systems with multiple acoustic zones |
US9805738B2 (en) | 2012-09-04 | 2017-10-31 | Nuance Communications, Inc. | Formant dependent speech signal enhancement |
WO2014070139A2 (en) | 2012-10-30 | 2014-05-08 | Nuance Communications, Inc. | Speech enhancement |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4088844A (en) * | 1976-12-21 | 1978-05-09 | Bell Telephone Laboratories, Incorporated | Telephone station set interface circuit |
US4088846A (en) * | 1977-03-30 | 1978-05-09 | Bell Telephone Laboratories, Incorporated | Hold-plus-intercom for single-line stations |
US4220827A (en) * | 1979-02-21 | 1980-09-02 | Bell Telephone Laboratories, Incorporated | Telephone signaling circuit |
US4216356A (en) * | 1979-02-21 | 1980-08-05 | Bell Telephone Laboratories, Incorporated | Telephone having separate voice and signaling pairs |
US4292474A (en) * | 1979-08-13 | 1981-09-29 | Oki Electronics Of America, Inc. | Electronic key telephone system with bi-directional serial data stream station control |
US4363936A (en) * | 1980-02-11 | 1982-12-14 | Stromberg-Carlson Corporation | Telephone network including common equipment with message information and control information circuits for connecting to stations having multifunction telephones |
CA1166777A (en) * | 1981-03-23 | 1984-05-01 | Gordon D. Benning | Home telephone exchange |
CA1169597A (en) * | 1981-09-11 | 1984-06-19 | Gordon D. Benning | Home communications and control system |
US4572928A (en) * | 1982-11-09 | 1986-02-25 | Tamura Electric Works, Ltd. | Key telephone system |
US4454383A (en) * | 1982-11-22 | 1984-06-12 | Bell Telephone Laboratories, Incorporated | Asynchronous data transmission method and circuitry |
US4477697A (en) * | 1982-11-22 | 1984-10-16 | At&T Bell Laboratories | Method and circuitry for encoding telephone ringing signals |
JPS6096992A (ja) * | 1983-10-31 | 1985-05-30 | Toshiba Corp | ボタン電話装置の主装置と標準電話機とのインタフエ−ス方式 |
JPS62140543A (ja) * | 1985-12-16 | 1987-06-24 | Tamura Electric Works Ltd | 電話交換装置 |
US4905274A (en) * | 1989-06-22 | 1990-02-27 | American Telephone & Telegraph Company At&T Bell Laboratories | Key telephone management system |
-
1990
- 1990-06-29 US US07/546,322 patent/US5048080A/en not_active Expired - Lifetime
-
1991
- 1991-06-19 CA CA002045027A patent/CA2045027C/en not_active Expired - Fee Related
- 1991-06-21 EP EP91305668A patent/EP0463832B1/de not_active Expired - Lifetime
- 1991-06-21 DE DE69125973T patent/DE69125973T2/de not_active Expired - Lifetime
- 1991-06-21 SG SG1996000570A patent/SG42904A1/en unknown
- 1991-06-25 AU AU79330/91A patent/AU629481B2/en not_active Ceased
- 1991-06-28 KR KR1019910010903A patent/KR950008865B1/ko not_active IP Right Cessation
- 1991-06-28 MX MX919100028A patent/MX9100028A/es unknown
- 1991-06-28 JP JP18419991A patent/JP3238723B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH04233890A (ja) | 1992-08-21 |
CA2045027A1 (en) | 1991-12-30 |
EP0463832A2 (de) | 1992-01-02 |
AU629481B2 (en) | 1992-10-01 |
KR950008865B1 (ko) | 1995-08-08 |
DE69125973T2 (de) | 1997-09-04 |
JP3238723B2 (ja) | 2001-12-17 |
EP0463832A3 (en) | 1993-06-30 |
MX9100028A (es) | 1992-02-03 |
EP0463832B1 (de) | 1997-05-07 |
SG42904A1 (en) | 1997-10-17 |
KR920001897A (ko) | 1992-01-30 |
CA2045027C (en) | 1995-09-12 |
AU7933091A (en) | 1992-01-02 |
US5048080A (en) | 1991-09-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |