JPS584508B2 - カニユウシヤデンワソウチ - Google Patents

カニユウシヤデンワソウチ

Info

Publication number
JPS584508B2
JPS584508B2 JP49142089A JP14208974A JPS584508B2 JP S584508 B2 JPS584508 B2 JP S584508B2 JP 49142089 A JP49142089 A JP 49142089A JP 14208974 A JP14208974 A JP 14208974A JP S584508 B2 JPS584508 B2 JP S584508B2
Authority
JP
Japan
Prior art keywords
relay
subscriber
telephone
hold
circuit
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
Application number
JP49142089A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5092613A (cg-RX-API-DMAC7.html
Inventor
ジエームス・ロイス・マツクオーエン
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.)
AT&T Corp
Original Assignee
Western Electric Co 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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of JPS5092613A publication Critical patent/JPS5092613A/ja
Publication of JPS584508B2 publication Critical patent/JPS584508B2/ja
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Interface Circuits In Exchanges (AREA)
JP49142089A 1973-12-12 1974-12-12 カニユウシヤデンワソウチ Expired JPS584508B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US426648A US3916116A (en) 1973-12-12 1973-12-12 Hold bridge circuit

Publications (2)

Publication Number Publication Date
JPS5092613A JPS5092613A (cg-RX-API-DMAC7.html) 1975-07-24
JPS584508B2 true JPS584508B2 (ja) 1983-01-26

Family

ID=23691644

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49142089A Expired JPS584508B2 (ja) 1973-12-12 1974-12-12 カニユウシヤデンワソウチ

Country Status (12)

Country Link
US (1) US3916116A (cg-RX-API-DMAC7.html)
JP (1) JPS584508B2 (cg-RX-API-DMAC7.html)
BE (1) BE823214A (cg-RX-API-DMAC7.html)
CA (1) CA1006995A (cg-RX-API-DMAC7.html)
CH (1) CH594335A5 (cg-RX-API-DMAC7.html)
DE (1) DE2458298C2 (cg-RX-API-DMAC7.html)
ES (1) ES432840A1 (cg-RX-API-DMAC7.html)
FR (1) FR2254920B1 (cg-RX-API-DMAC7.html)
GB (1) GB1490869A (cg-RX-API-DMAC7.html)
IT (1) IT1026881B (cg-RX-API-DMAC7.html)
NL (1) NL177547C (cg-RX-API-DMAC7.html)
SE (1) SE7415136L (cg-RX-API-DMAC7.html)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5184504A (cg-RX-API-DMAC7.html) * 1975-01-21 1976-07-23 Iwatsu Electric Co Ltd
JPS52111302A (en) * 1976-03-15 1977-09-19 Taiko Denki Seisakusho:Kk Connecting system of button telephone set
US4132860A (en) * 1977-08-01 1979-01-02 Crest Industries, Inc. Hold control for a key telephone system
WO1979000078A1 (en) * 1977-08-01 1979-02-22 H Rasmussen Hold control for a key telephone system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2862062A (en) * 1956-05-22 1958-11-25 Bell Telephone Labor Inc Holding arrangement for universaltype line circuit
US3283083A (en) * 1963-03-13 1966-11-01 American Telephone & Telegraph Telephone subscriber's line circuit
US3436488A (en) * 1966-03-17 1969-04-01 Bell Telephone Labor Inc Line circuit for a key telephone system utilizing a single multifunction supervisory relay
DE1562142C3 (de) * 1968-02-29 1975-05-15 Siemens Ag, 1000 Berlin U. 8000 Muenchen Schaltungsanordnung für Chef-Sekretärstationen in Fernsprechnebenstellenanlagen
IL30070A (en) * 1968-05-24 1971-05-26 Telrad Telecommunication & Ele Line grip circuit for multi-line telephone system
JPS4932003B1 (cg-RX-API-DMAC7.html) * 1969-03-31 1974-08-27
US3725600A (en) * 1969-12-18 1973-04-03 American Telephone & Telegraph Communication call holding circuit
CA924425A (en) * 1971-01-18 1973-04-10 Northern Electric Company Limited Hold circuit for multi-line key telephone system
US3764752A (en) * 1972-01-11 1973-10-09 Teltronics Inc Telephone line card system

Also Published As

Publication number Publication date
NL177547B (nl) 1985-05-01
CH594335A5 (cg-RX-API-DMAC7.html) 1978-01-13
NL7416124A (nl) 1975-06-16
BE823214A (fr) 1975-04-01
ES432840A1 (es) 1976-11-01
CA1006995A (en) 1977-03-15
FR2254920B1 (cg-RX-API-DMAC7.html) 1977-04-08
DE2458298A1 (de) 1975-06-19
IT1026881B (it) 1978-10-20
DE2458298C2 (de) 1984-04-26
NL177547C (nl) 1985-10-01
FR2254920A1 (cg-RX-API-DMAC7.html) 1975-07-11
US3916116A (en) 1975-10-28
GB1490869A (en) 1977-11-02
AU7613474A (en) 1976-06-10
SE7415136L (cg-RX-API-DMAC7.html) 1975-06-13
JPS5092613A (cg-RX-API-DMAC7.html) 1975-07-24

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