JPS5222409A - Digit monitoring circuit for dials - Google Patents

Digit monitoring circuit for dials

Info

Publication number
JPS5222409A
JPS5222409A JP9840575A JP9840575A JPS5222409A JP S5222409 A JPS5222409 A JP S5222409A JP 9840575 A JP9840575 A JP 9840575A JP 9840575 A JP9840575 A JP 9840575A JP S5222409 A JPS5222409 A JP S5222409A
Authority
JP
Japan
Prior art keywords
monitoring circuit
dials
digit monitoring
digit
monitoring
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.)
Granted
Application number
JP9840575A
Other languages
Japanese (ja)
Other versions
JPS5444569B2 (en
Inventor
Hideo Ohashi
Kunitoshi Narita
Kazuhiko Sugai
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.)
Meisei Electric Co Ltd
Original Assignee
Meisei 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 Meisei Electric Co Ltd filed Critical Meisei Electric Co Ltd
Priority to JP9840575A priority Critical patent/JPS5222409A/en
Publication of JPS5222409A publication Critical patent/JPS5222409A/en
Publication of JPS5444569B2 publication Critical patent/JPS5444569B2/ja
Granted 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
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/32—Signalling arrangements; Manipulation of signalling currents using trains of dc pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)

Abstract

PURPOSE:To obtain a monitoring circuit which is comact and of low cost for dial digit monitoring by reducing the number of component relays.
JP9840575A 1975-08-13 1975-08-13 Digit monitoring circuit for dials Granted JPS5222409A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9840575A JPS5222409A (en) 1975-08-13 1975-08-13 Digit monitoring circuit for dials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9840575A JPS5222409A (en) 1975-08-13 1975-08-13 Digit monitoring circuit for dials

Publications (2)

Publication Number Publication Date
JPS5222409A true JPS5222409A (en) 1977-02-19
JPS5444569B2 JPS5444569B2 (en) 1979-12-26

Family

ID=14218916

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9840575A Granted JPS5222409A (en) 1975-08-13 1975-08-13 Digit monitoring circuit for dials

Country Status (1)

Country Link
JP (1) JPS5222409A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51117229A (en) * 1975-04-08 1976-10-15 Mitsubishi Motors Corp Exhaust gas purifier

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51117229A (en) * 1975-04-08 1976-10-15 Mitsubishi Motors Corp Exhaust gas purifier
JPS5534303B2 (en) * 1975-04-08 1980-09-05

Also Published As

Publication number Publication date
JPS5444569B2 (en) 1979-12-26

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