JPS5341913A - Talking current cut-off circuit - Google Patents

Talking current cut-off circuit

Info

Publication number
JPS5341913A
JPS5341913A JP11588476A JP11588476A JPS5341913A JP S5341913 A JPS5341913 A JP S5341913A JP 11588476 A JP11588476 A JP 11588476A JP 11588476 A JP11588476 A JP 11588476A JP S5341913 A JPS5341913 A JP S5341913A
Authority
JP
Japan
Prior art keywords
circuit
current cut
talking current
talking
switching element
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
JP11588476A
Other languages
Japanese (ja)
Inventor
Shige Miyoshi
Tetsuo Takeshita
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
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP11588476A priority Critical patent/JPS5341913A/en
Publication of JPS5341913A publication Critical patent/JPS5341913A/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)
  • Interface Circuits In Exchanges (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)

Abstract

PURPOSE:To secure a current switching in a short action time by intercalating the semiconductor switching element between two terminals of a diode bridge circuit to which no telephone line is connected and controlling the switching element to switch the talking current.
JP11588476A 1976-09-29 1976-09-29 Talking current cut-off circuit Pending JPS5341913A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11588476A JPS5341913A (en) 1976-09-29 1976-09-29 Talking current cut-off circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11588476A JPS5341913A (en) 1976-09-29 1976-09-29 Talking current cut-off circuit

Publications (1)

Publication Number Publication Date
JPS5341913A true JPS5341913A (en) 1978-04-15

Family

ID=14673556

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11588476A Pending JPS5341913A (en) 1976-09-29 1976-09-29 Talking current cut-off circuit

Country Status (1)

Country Link
JP (1) JPS5341913A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58205573A (en) * 1982-05-13 1983-11-30 ユニオン・カ−バイド・コ−ポレ−シヨン Method of cleaning pipe at site

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51813A (en) * 1974-06-21 1976-01-07 Hitachi Ltd KUKANBUNKATSUGATA HANDOTAITSUWAROMO

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51813A (en) * 1974-06-21 1976-01-07 Hitachi Ltd KUKANBUNKATSUGATA HANDOTAITSUWAROMO

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58205573A (en) * 1982-05-13 1983-11-30 ユニオン・カ−バイド・コ−ポレ−シヨン Method of cleaning pipe at site

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