DE69107515D1 - Fernsprechsystem mit mehreren Fernsprechendgeräten auf einer einzelnen Leitung. - Google Patents

Fernsprechsystem mit mehreren Fernsprechendgeräten auf einer einzelnen Leitung.

Info

Publication number
DE69107515D1
DE69107515D1 DE69107515T DE69107515T DE69107515D1 DE 69107515 D1 DE69107515 D1 DE 69107515D1 DE 69107515 T DE69107515 T DE 69107515T DE 69107515 T DE69107515 T DE 69107515T DE 69107515 D1 DE69107515 D1 DE 69107515D1
Authority
DE
Germany
Prior art keywords
telephone
single line
devices
telephone system
telephone devices
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
Application number
DE69107515T
Other languages
English (en)
Inventor
Christian Dupillier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dolphin Integration SA
Original Assignee
Dolphin Integration SA
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 Dolphin Integration SA filed Critical Dolphin Integration SA
Application granted granted Critical
Publication of DE69107515D1 publication Critical patent/DE69107515D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04M3/50—Centralised arrangements for answering calls; Centralised arrangements for recording messages for absent or busy subscribers ; Centralised arrangements for recording messages
    • H04M3/527—Centralised call answering arrangements not requiring operator intervention
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/71—Substation extension arrangements
    • H04M1/715—Substation extension arrangements using two or more extensions per line
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/02—Arrangements for interconnection not involving centralised switching involving a common line for all parties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/442—Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies
    • H04Q1/4423—Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies using one signalling frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Devices For Supply Of Signal Current (AREA)
DE69107515T 1990-05-22 1991-05-17 Fernsprechsystem mit mehreren Fernsprechendgeräten auf einer einzelnen Leitung. Expired - Lifetime DE69107515D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9006606A FR2662563A1 (fr) 1990-05-22 1990-05-22 Systeme telephonique a plusieurs terminaux telephoniques sur une seule ligne.

Publications (1)

Publication Number Publication Date
DE69107515D1 true DE69107515D1 (de) 1995-03-30

Family

ID=9397007

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69107515T Expired - Lifetime DE69107515D1 (de) 1990-05-22 1991-05-17 Fernsprechsystem mit mehreren Fernsprechendgeräten auf einer einzelnen Leitung.

Country Status (5)

Country Link
US (1) US5119418A (de)
EP (1) EP0458710B1 (de)
JP (1) JPH0662454A (de)
DE (1) DE69107515D1 (de)
FR (1) FR2662563A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07121882B2 (ja) * 1987-02-10 1995-12-25 住友化学工業株式会社 内部オレフインの製造方法
IL94043A (en) * 1990-04-08 1996-01-19 Simphone Systems Ltd Apparatus for telephone intercom
GB9115967D0 (en) * 1991-07-24 1991-09-11 Jekyll Electronic Technology L Telephone ring suppression
US5392332A (en) * 1992-05-27 1995-02-21 Phonemate, Inc. Shared line telephone answering system with a telephone line-powered disconnect module
US5432844A (en) * 1992-06-26 1995-07-11 Phonemate, Inc. Shared line answering system with enhanced extension device features
JPH0758830A (ja) * 1993-08-13 1995-03-03 Hashimoto Corp 呼出中断検出手段を有する電話端末装置
US5991371A (en) * 1993-12-07 1999-11-23 Brother Kogyo Kabushiki Kaisha Communication apparatus
JPH07162550A (ja) * 1993-12-07 1995-06-23 Brother Ind Ltd 電話装置
US5673313A (en) * 1993-12-07 1997-09-30 Brother Kogyo Kabushiki Kaisha Telephone set of distinctive ringing type wherein pattern of telephone number call signal is registered for determination of telephone number being called
JP3229469B2 (ja) * 1993-12-07 2001-11-19 ブラザー工業株式会社 ファクシミリ装置
US5659607A (en) * 1993-12-07 1997-08-19 Brother Kogyo Kabushiki Kaisha Telephone set
KR0128170B1 (ko) * 1994-10-08 1998-04-10 김광호 디지탈 키폰시스템에서 디지털 키폰전화기 접속장치 및 방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3688038A (en) * 1971-04-12 1972-08-29 Stromberg Carlson Corp Stored energy signalling circuit
US4367376A (en) * 1980-09-17 1983-01-04 Proctor & Associates Co. Electronic telephone ringer including anti-bell tap provisions
US4415774A (en) * 1981-11-25 1983-11-15 Universal Data Systems, Inc. Line powered modem automatic answer device powered from equipment
US4653089A (en) * 1984-12-31 1987-03-24 Grigory Eydelman Personal telephone adapter
JPS61171262A (ja) * 1985-01-25 1986-08-01 Hashimoto Corp 予め決められた呼出信号で動作する付加装置
FR2600849B1 (fr) * 1986-06-25 1994-05-20 Apitel Sarl Dispositif de selection de terminaux sur une ligne telephonique

Also Published As

Publication number Publication date
EP0458710B1 (de) 1995-02-22
JPH0662454A (ja) 1994-03-04
US5119418A (en) 1992-06-02
EP0458710A1 (de) 1991-11-27
FR2662563B1 (de) 1995-05-05
FR2662563A1 (fr) 1991-11-29

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Legal Events

Date Code Title Description
8332 No legal effect for de