CA1177982A - Carte de circuits de liaison pour systeme telephonique a clavier electronique - Google Patents

Carte de circuits de liaison pour systeme telephonique a clavier electronique

Info

Publication number: CA1177982A
Authority: CA; Canada
Prior art keywords: signal; circuit; station; link; port
Prior art date: 1979-03-06
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

Application number

CA000435926A

Other languages

English (en)

Inventor

Alan Bloch

Ira Guzik

Frank A. Coviello

Candido Puebla

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.)

Tie Communications Inc

Original Assignee

Tie Communications 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.)

1979-03-06

Filing date

1983-09-01

Publication date

1984-11-13

1979-03-06 Priority claimed from US06/018,191 external-priority patent/US4338495A/en

1983-09-01 Application filed by Tie Communications Inc filed Critical Tie Communications Inc

1983-09-01 Priority to CA000435926A priority Critical patent/CA1177982A/fr

1984-11-13 Application granted granted Critical

1984-11-13 Publication of CA1177982A publication Critical patent/CA1177982A/fr

Status Expired legal-status Critical Current

Links

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Landscapes

Sub-Exchange Stations And Push- Button Telephones (AREA)

CA000435926A 1979-03-06 1983-09-01 Carte de circuits de liaison pour systeme telephonique a clavier electronique Expired CA1177982A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA000435926A CA1177982A (fr)	1979-03-06	1983-09-01	Carte de circuits de liaison pour systeme telephonique a clavier electronique

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
US06/018,191 US4338495A (en)	1979-03-06	1979-03-06	Electronic key telephone systems
US018,191		1979-03-06
CA000335220A CA1174773A (fr)	1979-03-06	1979-09-06	Systeme telephonique a clavier electronique
CA000435926A CA1177982A (fr)	1979-03-06	1983-09-01	Carte de circuits de liaison pour systeme telephonique a clavier electronique

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000435926A Division CA1177982A (fr)	1979-03-06	1983-09-01	Carte de circuits de liaison pour systeme telephonique a clavier electronique

Related Child Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000435926A Division CA1177982A (fr)	1979-03-06	1983-09-01	Carte de circuits de liaison pour systeme telephonique a clavier electronique

Publications (1)

Publication Number	Publication Date
CA1177982A true CA1177982A (fr)	1984-11-13

Family

ID=27166395

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000435926A Expired CA1177982A (fr)	1979-03-06	1983-09-01	Carte de circuits de liaison pour systeme telephonique a clavier electronique

Country Status (1)

Country	Link
CA (1)	CA1177982A (fr)

1983
- 1983-09-01 CA CA000435926A patent/CA1177982A/fr not_active Expired

Legal Events

Date	Code	Title	Description
2001-11-13	MKEX	Expiry

Publication	Publication Date	Title
CA1174773A (fr)	1984-09-18	Systeme telephonique a clavier electronique
CA1131817A (fr)	1982-09-14	Telephone a clavier controle par ordinateur
US4731821A (en)	1988-03-15	Single wire telephone intercommunication system
US4813070A (en)	1989-03-14	Telephone intercept system
US4607144A (en)	1986-08-19	Apparatus for enhancing the use of electromechanical key telephone systems
GB2122846A (en)	1984-01-18	Call completion circuit and method
JPS6162295A (ja)	1986-03-31	蓄積プログラム制御式電話交換機の作動方法
CA1177981A (fr)	1984-11-13	Carte de circuits de tele-appel pour systeme telephonique a clavier electronique
US4059732A (en)	1977-11-22	Centralized telephone answering apparatus with remote accessing
JPH0697773B2 (ja)	1994-11-30	電話機
CA1177982A (fr)	1984-11-13	Carte de circuits de liaison pour systeme telephonique a clavier electronique
US3920902A (en)	1975-11-18	Off-premises station line circuit for a key telephone system
CA1178722A (fr)	1984-11-27	Systeme de telephones electroniques a cles
CA1177980A (fr)	1984-11-13	Carte de circuits de ligne pour systeme telephonique a clavier electronique
CA1178723A (fr)	1984-11-27	Circuit de carte de poste pour systeme de telephones electroniques a cles
EP0112728B1 (fr)	1987-01-07	Système téléphonique d'abonné
EP0454421A2 (fr)	1991-10-30	Perfectionnement d'équipement de télécommunication
DE4142742C2 (de)	1993-11-18	Anlage zur Weiterschaltung eines auf einer ersten Anschlußleitung ankommenden Anrufes über eine zweite Anschlußleitung an einen anderen Fernsprechanschluß
US4638123A (en)	1987-01-20	Circuit arrangement for a small PABX with a switching matrix that has electronic crosspoints
KR950014623B1 (ko)	1995-12-11	Dtmf 디지트 송출회로 및 송출방법
AU708663B2 (en)	1999-08-12	A telephone arrangement
DE9312848U1 (de)	1993-10-28	ISDN-Terminal-Adapter
JPH0470833B2 (fr)	1992-11-12
SU930737A1 (ru)	1982-05-23	Автоматический номеронабиратель
US1071210A (en)	1913-08-26	Telephony.