FR2463999A1 - Systeme de telephones a clavier - Google Patents

Systeme de telephones a clavier Download PDF

Info

Publication number
FR2463999A1
FR2463999A1 FR8018147A FR8018147A FR2463999A1 FR 2463999 A1 FR2463999 A1 FR 2463999A1 FR 8018147 A FR8018147 A FR 8018147A FR 8018147 A FR8018147 A FR 8018147A FR 2463999 A1 FR2463999 A1 FR 2463999A1
Authority
FR
France
Prior art keywords
circuit
keypad
telephone
tone
lines
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.)
Granted
Application number
FR8018147A
Other languages
English (en)
French (fr)
Other versions
FR2463999B1 (enExample
Inventor
Seiki Ogawa
Michio Mito
Tsuyoshi Shinoi
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.)
NEC Platforms Ltd
Nippon Tsushin Kogyo KK
Original Assignee
Nippon Tsushin Kogyo KK
Nitsuko Corp
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
Priority claimed from JP54104921A external-priority patent/JPS6028195B2/ja
Priority claimed from JP11335479U external-priority patent/JPS5631754U/ja
Priority claimed from JP11335379U external-priority patent/JPS5852766Y2/ja
Application filed by Nippon Tsushin Kogyo KK, Nitsuko Corp filed Critical Nippon Tsushin Kogyo KK
Publication of FR2463999A1 publication Critical patent/FR2463999A1/fr
Application granted granted Critical
Publication of FR2463999B1 publication Critical patent/FR2463999B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
    • H04Q3/545—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised using a stored programme
    • 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
    • H04M9/007—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 wherein the key telephone sets are star-connected to a central unit by a limited number of lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
FR8018147A 1979-08-20 1980-08-19 Systeme de telephones a clavier Granted FR2463999A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP54104921A JPS6028195B2 (ja) 1979-08-20 1979-08-20 押釦ダイヤル信号中継方式
JP11335479U JPS5631754U (enExample) 1979-08-20 1979-08-20
JP11335379U JPS5852766Y2 (ja) 1979-08-20 1979-08-20 電話交換装置のスイツチフレ−ム

Publications (2)

Publication Number Publication Date
FR2463999A1 true FR2463999A1 (fr) 1981-02-27
FR2463999B1 FR2463999B1 (enExample) 1984-06-15

Family

ID=27310348

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8018147A Granted FR2463999A1 (fr) 1979-08-20 1980-08-19 Systeme de telephones a clavier

Country Status (3)

Country Link
US (2) US4347409A (enExample)
AU (1) AU521265B2 (enExample)
FR (1) FR2463999A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2154348C2 (ru) * 1996-11-19 2000-08-10 Моторола, Инк. Способ и устройство для реализации группового вызова в системе передачи сообщений

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57107664A (en) * 1980-12-25 1982-07-05 Nitsuko Ltd Electronic button telephone set
JPS58213597A (ja) * 1982-06-05 1983-12-12 Nitsuko Ltd ボタン電話装置
US4605928A (en) * 1983-10-24 1986-08-12 International Business Machines Corporation Fault-tolerant array of cross-point switching matrices
US4630045A (en) * 1983-10-24 1986-12-16 International Business Machines Corporation Controller for a cross-point switching matrix
JPS60140997A (ja) * 1983-12-27 1985-07-25 Nitsuko Ltd 電子化ボタン電話装置におけるパルス／直流重畳回路
US4554413A (en) * 1984-05-31 1985-11-19 Pks/Communications, Inc. Key telephone system
US4631367A (en) * 1984-08-29 1986-12-23 Lantel International Corp. Multi-line telephone system
US4641337A (en) * 1985-03-25 1987-02-03 Nitsuko Limited Key telephone system with means for operatively connecting another key telephone systems
CA1239718A (en) * 1985-10-11 1988-07-26 Trillium Telephone Systems Inc. Key telephone system
CA1244541A (en) * 1985-11-07 1988-11-08 Gerald Molnar Communication system having separate unidirectional information signalling
JP2561696B2 (ja) * 1988-03-31 1996-12-11 三菱電機株式会社 ネットワークシステムにおける共用領域管理方法
DE4117118A1 (de) * 1991-05-25 1992-11-26 Standard Elektrik Lorenz Ag Fernmelde-reihenanlage
US5471523A (en) * 1993-07-14 1995-11-28 Voysys Corporation Telephone call and voice processing system
SE0301439L (sv) * 2003-05-19 2004-11-20 Nordia Innovation Ab Anordning för uppbyggnad av väljarmatris med redundans och ingångsorienterad fuktionalitet
JP4708145B2 (ja) * 2005-10-05 2011-06-22 パナソニック株式会社 電力線通信装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4022985A (en) * 1974-10-01 1977-05-10 Oki Electric Industry Company, Ltd. Key telephone system with a common push-button sender system
JPS5489506A (en) * 1977-12-27 1979-07-16 Nec Corp Electronic key telephone set
FR2414837A1 (fr) * 1978-01-17 1979-08-10 Tie Communications Appareil telephonique a touches commande par calculateur

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4184054A (en) * 1977-03-28 1980-01-15 Tokyo Shibaura Electric Co., Ltd. Key telephone system
US4160131A (en) * 1977-10-07 1979-07-03 Nippon Electric Company, Ltd. Electronic key telephone system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4022985A (en) * 1974-10-01 1977-05-10 Oki Electric Industry Company, Ltd. Key telephone system with a common push-button sender system
JPS5489506A (en) * 1977-12-27 1979-07-16 Nec Corp Electronic key telephone set
US4236049A (en) * 1977-12-27 1980-11-25 Nippon Electric Co., Ltd. Electronic key telephone system
FR2414837A1 (fr) * 1978-01-17 1979-08-10 Tie Communications Appareil telephonique a touches commande par calculateur

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/78 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2154348C2 (ru) * 1996-11-19 2000-08-10 Моторола, Инк. Способ и устройство для реализации группового вызова в системе передачи сообщений

Also Published As

Publication number Publication date
US4412102A (en) 1983-10-25
FR2463999B1 (enExample) 1984-06-15
AU6151180A (en) 1981-03-26
AU521265B2 (en) 1982-03-25
US4347409A (en) 1982-08-31

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse