JPS5423406A - Incoming replay detecting system - Google Patents

Incoming replay detecting system

Info

Publication number
JPS5423406A
JPS5423406A JP8842577A JP8842577A JPS5423406A JP S5423406 A JPS5423406 A JP S5423406A JP 8842577 A JP8842577 A JP 8842577A JP 8842577 A JP8842577 A JP 8842577A JP S5423406 A JPS5423406 A JP S5423406A
Authority
JP
Japan
Prior art keywords
incoming
replay
detecting system
detector circuit
dial pulse
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
JP8842577A
Other languages
Japanese (ja)
Other versions
JPS5814786B2 (en
Inventor
Hiroshi Yamazaki
Kan Miyamoto
Takairi Yanagimoto
Shinichi Suzuki
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.)
NIPPO TSUSHIN KOGYO KK
Nippon Telegraph and Telephone Corp
Original Assignee
NIPPO TSUSHIN KOGYO KK
Nippon Telegraph and Telephone Corp
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 NIPPO TSUSHIN KOGYO KK, Nippon Telegraph and Telephone Corp filed Critical NIPPO TSUSHIN KOGYO KK
Priority to JP8842577A priority Critical patent/JPS5814786B2/en
Publication of JPS5423406A publication Critical patent/JPS5423406A/en
Publication of JPS5814786B2 publication Critical patent/JPS5814786B2/en
Expired 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)

Abstract

PURPOSE:To realize the miniature size of the device with a simple constitution by applying the call line signal to the dial pulse detector circuit via a switch relay at the incoming time to detect the reply and then detecting the dial pulse through the detector circuit at the outgoing time.
JP8842577A 1977-07-25 1977-07-25 Incoming call response detection method Expired JPS5814786B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8842577A JPS5814786B2 (en) 1977-07-25 1977-07-25 Incoming call response detection method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8842577A JPS5814786B2 (en) 1977-07-25 1977-07-25 Incoming call response detection method

Publications (2)

Publication Number Publication Date
JPS5423406A true JPS5423406A (en) 1979-02-22
JPS5814786B2 JPS5814786B2 (en) 1983-03-22

Family

ID=13942419

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8842577A Expired JPS5814786B2 (en) 1977-07-25 1977-07-25 Incoming call response detection method

Country Status (1)

Country Link
JP (1) JPS5814786B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61107381U (en) * 1984-12-20 1986-07-08
JPH059382U (en) * 1991-07-19 1993-02-09 株式会社ヨコタ Bracket for curtain rail

Also Published As

Publication number Publication date
JPS5814786B2 (en) 1983-03-22

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