JPS5264816A - Signal sending unit for exchange - Google Patents

Signal sending unit for exchange

Info

Publication number
JPS5264816A
JPS5264816A JP14017575A JP14017575A JPS5264816A JP S5264816 A JPS5264816 A JP S5264816A JP 14017575 A JP14017575 A JP 14017575A JP 14017575 A JP14017575 A JP 14017575A JP S5264816 A JPS5264816 A JP S5264816A
Authority
JP
Japan
Prior art keywords
exchange
sending unit
signal sending
ocnstitution
gunit
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
JP14017575A
Other languages
Japanese (ja)
Other versions
JPS555308B2 (en
Inventor
Noboru Ito
Akira Kikuchi
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.)
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
Original Assignee
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
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 and Telephone Corp, Oki Electric Industry Co Ltd filed Critical Nippon Telegraph and Telephone Corp
Priority to JP14017575A priority Critical patent/JPS5264816A/en
Publication of JPS5264816A publication Critical patent/JPS5264816A/en
Publication of JPS555308B2 publication Critical patent/JPS555308B2/ja
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
    • H04Q3/52—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)
  • Devices For Supply Of Signal Current (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)

Abstract

PURPOSE:To secure an economical ocnstitution of exchange by installing as a limited number of common unit the sending gunit of bell sound, etc. through switching network by PNPN. element.
JP14017575A 1975-11-25 1975-11-25 Signal sending unit for exchange Granted JPS5264816A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14017575A JPS5264816A (en) 1975-11-25 1975-11-25 Signal sending unit for exchange

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14017575A JPS5264816A (en) 1975-11-25 1975-11-25 Signal sending unit for exchange

Publications (2)

Publication Number Publication Date
JPS5264816A true JPS5264816A (en) 1977-05-28
JPS555308B2 JPS555308B2 (en) 1980-02-05

Family

ID=15262619

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14017575A Granted JPS5264816A (en) 1975-11-25 1975-11-25 Signal sending unit for exchange

Country Status (1)

Country Link
JP (1) JPS5264816A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0783117A3 (en) * 1996-01-04 2000-03-22 Nippon Telegraph And Telephone Corporation Optical fibers for optical attenuation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0783117A3 (en) * 1996-01-04 2000-03-22 Nippon Telegraph And Telephone Corporation Optical fibers for optical attenuation

Also Published As

Publication number Publication date
JPS555308B2 (en) 1980-02-05

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