SE7908634L - Talkanalomkopplingsnet som er lempliga for anvendning i kombination med elektroniska tangenttelefonapparater - Google Patents

Talkanalomkopplingsnet som er lempliga for anvendning i kombination med elektroniska tangenttelefonapparater

Info

Publication number
SE7908634L
SE7908634L SE7908634A SE7908634A SE7908634L SE 7908634 L SE7908634 L SE 7908634L SE 7908634 A SE7908634 A SE 7908634A SE 7908634 A SE7908634 A SE 7908634A SE 7908634 L SE7908634 L SE 7908634L
Authority
SE
Sweden
Prior art keywords
electronic
lines
incoming
keyphone
devices
Prior art date
Application number
SE7908634A
Other languages
Unknown language ( )
English (en)
Other versions
SE444495B (sv
Inventor
K Yamamoto
S Ohkoshi
Original Assignee
Nippon Telegraph & Telephone
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 Nippon Telegraph & Telephone filed Critical Nippon Telegraph & Telephone
Publication of SE7908634L publication Critical patent/SE7908634L/sv
Publication of SE444495B publication Critical patent/SE444495B/sv

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
    • H04M9/007—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
    • H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
    • H04Q3/521—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using semiconductors in the switching stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
SE7908634A 1978-10-18 1979-10-17 Talkanalomkopplingsnet for anvendning i ett knapptelefonsystem SE444495B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53127399A JPS5940358B2 (ja) 1978-10-18 1978-10-18 通話路スイツチ回路

Publications (2)

Publication Number Publication Date
SE7908634L true SE7908634L (sv) 1980-04-19
SE444495B SE444495B (sv) 1986-04-14

Family

ID=14959022

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7908634A SE444495B (sv) 1978-10-18 1979-10-17 Talkanalomkopplingsnet for anvendning i ett knapptelefonsystem

Country Status (7)

Country Link
US (1) US4292476A (sv)
JP (1) JPS5940358B2 (sv)
CA (1) CA1129529A (sv)
DE (1) DE2942434C2 (sv)
GB (1) GB2034155B (sv)
NL (1) NL183215C (sv)
SE (1) SE444495B (sv)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3215757A1 (de) * 1982-04-28 1983-11-03 Krone Gmbh, 1000 Berlin Innenverbindungsschalter fuer fernmeldetechnische heimtelefon- oder nebenstellenanlagen
FR2590101A1 (fr) * 1985-11-07 1987-05-15 Arribe Jean Igor Repartiteur electronique et application a la commutation de lignes telephoniques
US4829511A (en) * 1987-10-14 1989-05-09 International Business Machines Corporation Switched network of optical buses
US6427011B1 (en) * 2000-07-14 2002-07-30 Conexant Systems, Inc. Modem data access arrangement without diode bridge
ES2441368T3 (es) * 2008-07-29 2014-02-04 Koninklijke Philips N.V. Dispositivo de iluminación que comprende múltiples LED

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3410961A (en) * 1965-10-12 1968-11-12 Bell Telephone Labor Inc Line circuit for a telephone system having optical solid state means
US3504131A (en) * 1967-05-02 1970-03-31 Bell Telephone Labor Inc Switching network
US3647980A (en) * 1970-05-07 1972-03-07 Bell Telephone Labor Inc Switching network control without network map
CA963133A (en) * 1970-11-02 1975-02-18 Itt Canada Limited Telephone intercommunicating system
DE2201986A1 (de) * 1971-01-20 1972-08-10 Int Standard Electric Corp Schaltungsanordnung fuer einen Verbindungssatz einer Fernsprechnebenstellenanlage
JPS5624383B2 (sv) * 1973-02-07 1981-06-05
US4107472A (en) * 1973-06-29 1978-08-15 Hitachi, Ltd. Semiconductor channel switch
JPS5233405A (en) * 1975-09-10 1977-03-14 Oki Electric Ind Co Ltd Semiconductor device
JPS52135775A (en) * 1976-05-10 1977-11-14 Hitachi Ltd Potential detecting circuit
DE2641967C3 (de) * 1976-09-15 1980-06-04 Krone Gmbh, 1000 Berlin Schaltungsanordnung für einen Fernsprechapparat mit Wähltastatur, nach dem Impulswahlverfahren
US4113989A (en) * 1977-03-01 1978-09-12 Siemens Aktiengesellschaft Electronic telephone system featuring switching networks having thyristors for single-wire switching
US4107474A (en) * 1977-05-31 1978-08-15 Bell Telephone Laboratories, Incorporated Bipolar transistor switching network crosspoint
US4110566A (en) * 1977-10-27 1978-08-29 Bell Telephone Laboratories, Incorporated Switching network control arrangement
JPS5489506A (en) * 1977-12-27 1979-07-16 Nec Corp Electronic key telephone set

Also Published As

Publication number Publication date
JPS5553988A (en) 1980-04-19
GB2034155B (en) 1983-01-19
US4292476A (en) 1981-09-29
DE2942434A1 (de) 1980-04-30
JPS5940358B2 (ja) 1984-09-29
SE444495B (sv) 1986-04-14
CA1129529A (en) 1982-08-10
NL183215C (nl) 1988-08-16
NL183215B (nl) 1988-03-16
NL7907560A (nl) 1980-04-22
GB2034155A (en) 1980-05-29
DE2942434C2 (de) 1984-02-16

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