JPS53138208A - Loss compensation system of exchange using semiconductor channel switch - Google Patents

Loss compensation system of exchange using semiconductor channel switch

Info

Publication number
JPS53138208A
JPS53138208A JP5205377A JP5205377A JPS53138208A JP S53138208 A JPS53138208 A JP S53138208A JP 5205377 A JP5205377 A JP 5205377A JP 5205377 A JP5205377 A JP 5205377A JP S53138208 A JPS53138208 A JP S53138208A
Authority
JP
Japan
Prior art keywords
exchange
semiconductor channel
compensation system
channel switch
loss compensation
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.)
Pending
Application number
JP5205377A
Other languages
Japanese (ja)
Inventor
Takuji Mukaemachi
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.)
Hitachi Ltd
Nippon Telegraph and Telephone Corp
Original Assignee
Hitachi Ltd
Nippon Telegraph and Telephone 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
Application filed by Hitachi Ltd, Nippon Telegraph and Telephone Corp filed Critical Hitachi Ltd
Priority to JP5205377A priority Critical patent/JPS53138208A/en
Publication of JPS53138208A publication Critical patent/JPS53138208A/en
Pending 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)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)

Abstract

PURPOSE:To save power consumption and voice amplifier circuits by storing the line conditions of each subscriber quantitatively and by selectively inserting a compensating power supply and voice amplifier circuit corresponding to the memory contents.
JP5205377A 1977-05-09 1977-05-09 Loss compensation system of exchange using semiconductor channel switch Pending JPS53138208A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5205377A JPS53138208A (en) 1977-05-09 1977-05-09 Loss compensation system of exchange using semiconductor channel switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5205377A JPS53138208A (en) 1977-05-09 1977-05-09 Loss compensation system of exchange using semiconductor channel switch

Publications (1)

Publication Number Publication Date
JPS53138208A true JPS53138208A (en) 1978-12-02

Family

ID=12904060

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5205377A Pending JPS53138208A (en) 1977-05-09 1977-05-09 Loss compensation system of exchange using semiconductor channel switch

Country Status (1)

Country Link
JP (1) JPS53138208A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48102908A (en) * 1972-04-07 1973-12-24
JPS4917111A (en) * 1972-05-22 1974-02-15

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48102908A (en) * 1972-04-07 1973-12-24
JPS4917111A (en) * 1972-05-22 1974-02-15

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