JPS51136211A - Relay drive control circuit - Google Patents

Relay drive control circuit

Info

Publication number
JPS51136211A
JPS51136211A JP5973275A JP5973275A JPS51136211A JP S51136211 A JPS51136211 A JP S51136211A JP 5973275 A JP5973275 A JP 5973275A JP 5973275 A JP5973275 A JP 5973275A JP S51136211 A JPS51136211 A JP S51136211A
Authority
JP
Japan
Prior art keywords
relay drive
control circuit
drive control
decreasing
package
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
JP5973275A
Other languages
Japanese (ja)
Inventor
Tatsumasa Onuma
Koshu Yoshizaki
Hirotoshi Shirasu
Hidetaka Yamashita
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 JP5973275A priority Critical patent/JPS51136211A/en
Publication of JPS51136211A publication Critical patent/JPS51136211A/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
    • H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Exchange Systems With Centralized Control (AREA)

Abstract

PURPOSE:The number of relay drive circuit incorporated in a package is to be increased by transmitting data to electronic switchboard in series, decreasing the number of input pin and increasing the number of output pin.
JP5973275A 1975-05-21 1975-05-21 Relay drive control circuit Pending JPS51136211A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5973275A JPS51136211A (en) 1975-05-21 1975-05-21 Relay drive control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5973275A JPS51136211A (en) 1975-05-21 1975-05-21 Relay drive control circuit

Publications (1)

Publication Number Publication Date
JPS51136211A true JPS51136211A (en) 1976-11-25

Family

ID=13121656

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5973275A Pending JPS51136211A (en) 1975-05-21 1975-05-21 Relay drive control circuit

Country Status (1)

Country Link
JP (1) JPS51136211A (en)

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