JPS5395513A - Driving circuit for communication path - Google Patents

Driving circuit for communication path

Info

Publication number
JPS5395513A
JPS5395513A JP1039377A JP1039377A JPS5395513A JP S5395513 A JPS5395513 A JP S5395513A JP 1039377 A JP1039377 A JP 1039377A JP 1039377 A JP1039377 A JP 1039377A JP S5395513 A JPS5395513 A JP S5395513A
Authority
JP
Japan
Prior art keywords
driving circuit
communication path
constant current
current circuit
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.)
Pending
Application number
JP1039377A
Other languages
Japanese (ja)
Inventor
Nobuyoshi Akiyama
Naohiko Yasui
Eizo Nara
Katsuzo Yamada
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 JP1039377A priority Critical patent/JPS5395513A/en
Publication of JPS5395513A publication Critical patent/JPS5395513A/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

Abstract

PURPOSE:To reduce the power consumption of the constant current circuit in which the communicating path is vacant, by adding switching functions to the base bias circuit of the constant current circuit.
JP1039377A 1977-02-01 1977-02-01 Driving circuit for communication path Pending JPS5395513A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1039377A JPS5395513A (en) 1977-02-01 1977-02-01 Driving circuit for communication path

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1039377A JPS5395513A (en) 1977-02-01 1977-02-01 Driving circuit for communication path

Publications (1)

Publication Number Publication Date
JPS5395513A true JPS5395513A (en) 1978-08-21

Family

ID=11748874

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1039377A Pending JPS5395513A (en) 1977-02-01 1977-02-01 Driving circuit for communication path

Country Status (1)

Country Link
JP (1) JPS5395513A (en)

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