JPS5386104A - Signal detecting circuit for automatic exchange - Google Patents

Signal detecting circuit for automatic exchange

Info

Publication number
JPS5386104A
JPS5386104A JP15010376A JP15010376A JPS5386104A JP S5386104 A JPS5386104 A JP S5386104A JP 15010376 A JP15010376 A JP 15010376A JP 15010376 A JP15010376 A JP 15010376A JP S5386104 A JPS5386104 A JP S5386104A
Authority
JP
Japan
Prior art keywords
detecting circuit
signal detecting
automatic exchange
ensure
circuit
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
JP15010376A
Other languages
Japanese (ja)
Other versions
JPS5725117B2 (en
Inventor
Kazunori Fujita
Toshihisa Yoshida
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 JP15010376A priority Critical patent/JPS5386104A/en
Publication of JPS5386104A publication Critical patent/JPS5386104A/en
Publication of JPS5725117B2 publication Critical patent/JPS5725117B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/42Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker

Landscapes

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

Abstract

PURPOSE:To ensure a highly reliable detection of the signal which arrives at the channel by using a resistance bridge circuit, and also to ensure a long life time for the circuit.
JP15010376A 1976-12-13 1976-12-13 Signal detecting circuit for automatic exchange Granted JPS5386104A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15010376A JPS5386104A (en) 1976-12-13 1976-12-13 Signal detecting circuit for automatic exchange

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15010376A JPS5386104A (en) 1976-12-13 1976-12-13 Signal detecting circuit for automatic exchange

Publications (2)

Publication Number Publication Date
JPS5386104A true JPS5386104A (en) 1978-07-29
JPS5725117B2 JPS5725117B2 (en) 1982-05-27

Family

ID=15489559

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15010376A Granted JPS5386104A (en) 1976-12-13 1976-12-13 Signal detecting circuit for automatic exchange

Country Status (1)

Country Link
JP (1) JPS5386104A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105308285B (en) 2013-06-20 2018-06-26 丰田自动车株式会社 Compression ignition engine

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50106087A (en) * 1974-01-28 1975-08-21

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50106087A (en) * 1974-01-28 1975-08-21

Also Published As

Publication number Publication date
JPS5725117B2 (en) 1982-05-27

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