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DK307685A - Digitalt telefonapparat - Google Patents

Digitalt telefonapparat Download PDF

Info

Publication number
DK307685A
DK307685A DK307685A DK307685A DK307685A DK 307685 A DK307685 A DK 307685A DK 307685 A DK307685 A DK 307685A DK 307685 A DK307685 A DK 307685A DK 307685 A DK307685 A DK 307685A
Authority
DK
Denmark
Prior art keywords
phone device
digital phone
digital
phone
Prior art date
Application number
DK307685A
Other languages
English (en)
Other versions
DK307685D0 (da
Inventor
Dennis K Smith
John J Holesha
Original Assignee
Honeywell Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Honeywell Inc filed Critical Honeywell Inc
Publication of DK307685D0 publication Critical patent/DK307685D0/da
Publication of DK307685A publication Critical patent/DK307685A/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Telephone Function (AREA)
DK307685A 1984-07-05 1985-07-04 Digitalt telefonapparat DK307685A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/628,102 US4575584A (en) 1984-07-05 1984-07-05 Fail-safe digital phone

Publications (2)

Publication Number Publication Date
DK307685D0 DK307685D0 (da) 1985-07-04
DK307685A true DK307685A (da) 1986-01-06

Family

ID=24517477

Family Applications (1)

Application Number Title Priority Date Filing Date
DK307685A DK307685A (da) 1984-07-05 1985-07-04 Digitalt telefonapparat

Country Status (5)

Country Link
US (1) US4575584A (da)
EP (1) EP0170423A1 (da)
AU (1) AU570893B2 (da)
CA (1) CA1232661A (da)
DK (1) DK307685A (da)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3633057C2 (de) * 1986-09-29 1994-01-20 Kommunikations Elektronik Schaltungsanordnung zur Übertragung nachrichtentechnischer Signale
SU1547671A1 (ru) * 1988-07-20 1991-09-07 Предприятие П/Я Р-6609 Цифрова коммутационна система
US5142571A (en) * 1988-10-19 1992-08-25 Fujitsu Limited Digital telephone set having an emergency switching function and communication system having the same
JP2920942B2 (ja) * 1989-07-20 1999-07-19 富士通株式会社 テレビ電話機
US4972452A (en) * 1989-11-09 1990-11-20 Aspect Telecommunications Corporation Digital bypass for telephone system
US5214692A (en) * 1989-11-13 1993-05-25 Aspect Telecommunications Corporation Bypass for telephone switching system
DE69131239T2 (de) * 1990-02-22 2000-02-24 Canon K.K., Tokio/Tokyo Nebenstellenanlagesystem
JPH0736589B2 (ja) * 1990-10-24 1995-04-19 富士ゼロックス株式会社 ファクシミリ装置
JP2744357B2 (ja) * 1991-04-23 1998-04-28 キヤノン株式会社 構内交換装置
US5299256A (en) * 1991-05-17 1994-03-29 Kabushiki Kaisha Toshiba PBX telephone with message printer
US5216704A (en) * 1991-06-12 1993-06-01 Coherent Communications Systems Corp. Method for remote power fail detection and maintaining continuous operation for data and voice devices operating over local loops
US5627827A (en) * 1994-02-04 1997-05-06 Omnilink Corporation Automatic service cutover for ISDN private exchange
GB9406212D0 (en) * 1994-03-29 1994-05-18 Plessey Telecomm Telecommunication customer interface
EP0680188A2 (en) * 1994-04-28 1995-11-02 Uniden America Corporation Cordless telephone adapted for use with a corded digital telephone
KR0165201B1 (ko) * 1995-11-08 1999-02-01 김광호 키폰시스템에서 정전시 대피 국선 복귀회로 및 방법
US5875234A (en) 1996-02-14 1999-02-23 Netphone, Inc. Computer integrated PBX system
JP3092053B2 (ja) * 1996-05-28 2000-09-25 松下電器産業株式会社 電話機における記録再生装置
US5905795A (en) * 1997-04-25 1999-05-18 Alcatel Usa Sourcing, L.P. Two-line subscriber system
US6327242B1 (en) * 1998-03-17 2001-12-04 Infolibria, Inc. Message redirector with cut-through switch for highly reliable and efficient network traffic processor deployment
US6584197B1 (en) * 1998-12-03 2003-06-24 Adtran Inc. Power-limited remote termination converter with wetting current and emergency power operation for digital data transmission equipment
US6400803B1 (en) * 1999-08-17 2002-06-04 Nortel Networks Limited Voice over digital subscriber line call redirection for lifeline service
US6700970B1 (en) 2000-07-17 2004-03-02 Aox Incorporated LAN phone system with automatic fallback for power or network failure

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1437031A (en) * 1973-04-04 1976-05-26 Plessey Co Ltd House exchange telephone system
GB1595301A (en) * 1976-12-10 1981-08-12 Plessey Canada Electronic telephone system
US4100375A (en) * 1977-01-19 1978-07-11 David Lewis Noller Telephone, intercom and remote control system
DE2828583B2 (de) * 1978-06-29 1980-04-17 Siemens Ag, 1000 Berlin Und 8000 Muenchen Teilnehmerstation
DE3221387A1 (de) * 1982-06-05 1983-12-08 Krone Gmbh, 1000 Berlin Digitales fernsprechendgeraet mit anschluessen fuer analoge zusatzgeraete
FR2530104B1 (fr) * 1982-07-12 1986-10-24 Constr Telephoniques Circuit de couplage de ligne additionnelle a un poste d'intercommunication

Also Published As

Publication number Publication date
DK307685D0 (da) 1985-07-04
US4575584A (en) 1986-03-11
AU4399785A (en) 1986-01-09
EP0170423A1 (en) 1986-02-05
AU570893B2 (en) 1988-03-24
CA1232661A (en) 1988-02-09

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment