JPS5362405A - Check circuit - Google Patents

Check circuit

Info

Publication number
JPS5362405A
JPS5362405A JP13819076A JP13819076A JPS5362405A JP S5362405 A JPS5362405 A JP S5362405A JP 13819076 A JP13819076 A JP 13819076A JP 13819076 A JP13819076 A JP 13819076A JP S5362405 A JPS5362405 A JP S5362405A
Authority
JP
Japan
Prior art keywords
circuit
check circuit
check
assembling
constituting
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
JP13819076A
Other languages
Japanese (ja)
Inventor
Toshio Nakamura
Toyohide Masuda
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP13819076A priority Critical patent/JPS5362405A/en
Publication of JPS5362405A publication Critical patent/JPS5362405A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/20—Testing circuits or apparatus; Circuits or apparatus for detecting, indicating, or signalling faults or troubles

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)

Abstract

PURPOSE:To reduce the number of elements in the circuit and the mounting area and to make easy for assembling, by constituting the comparator circuit and the code conversion circuit with one IC, when a 1/N check of switching element is made in a common control type automatic telephone exchanger.
JP13819076A 1976-11-16 1976-11-16 Check circuit Pending JPS5362405A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13819076A JPS5362405A (en) 1976-11-16 1976-11-16 Check circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13819076A JPS5362405A (en) 1976-11-16 1976-11-16 Check circuit

Publications (1)

Publication Number Publication Date
JPS5362405A true JPS5362405A (en) 1978-06-03

Family

ID=15216170

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13819076A Pending JPS5362405A (en) 1976-11-16 1976-11-16 Check circuit

Country Status (1)

Country Link
JP (1) JPS5362405A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58186837A (en) * 1982-04-26 1983-10-31 Fujitsu Ltd Error information system of information selecting and converting circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58186837A (en) * 1982-04-26 1983-10-31 Fujitsu Ltd Error information system of information selecting and converting circuit

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