JPS5323208A - Rectifier-detector circuit - Google Patents

Rectifier-detector circuit

Info

Publication number
JPS5323208A
JPS5323208A JP9704576A JP9704576A JPS5323208A JP S5323208 A JPS5323208 A JP S5323208A JP 9704576 A JP9704576 A JP 9704576A JP 9704576 A JP9704576 A JP 9704576A JP S5323208 A JPS5323208 A JP S5323208A
Authority
JP
Japan
Prior art keywords
rectifier
detector circuit
circuit
rectifierdetector
lowered
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
JP9704576A
Other languages
Japanese (ja)
Other versions
JPS6028437B2 (en
Inventor
Yukinao Hashizume
Shogo Usuda
Atsushi Iwata
Koichi Hasegawa
Kazuhiko Takaoka
Masahiro Osajima
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.)
Fujitsu Ltd
Hitachi Ltd
NEC Corp
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
Original Assignee
Fujitsu Ltd
Hitachi Ltd
NEC Corp
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
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 Fujitsu Ltd, Hitachi Ltd, NEC Corp, Nippon Telegraph and Telephone Corp, Oki Electric Industry Co Ltd, Nippon Electric Co Ltd filed Critical Fujitsu Ltd
Priority to JP51097045A priority Critical patent/JPS6028437B2/en
Publication of JPS5323208A publication Critical patent/JPS5323208A/en
Publication of JPS6028437B2 publication Critical patent/JPS6028437B2/en
Expired 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
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
    • H04Q1/453—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling in which m-out-of-n signalling frequencies are transmitted

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)

Abstract

PURPOSE:At a multi-frequency signal receiver, etc., the threshold value of an arithmetic amplifier for detection after the operation starting of rectifierdetector circuit is lowered and the control is operated by timing signals, thereby detecting signals stably.
JP51097045A 1976-08-16 1976-08-16 Rectification detection circuit Expired JPS6028437B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51097045A JPS6028437B2 (en) 1976-08-16 1976-08-16 Rectification detection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51097045A JPS6028437B2 (en) 1976-08-16 1976-08-16 Rectification detection circuit

Publications (2)

Publication Number Publication Date
JPS5323208A true JPS5323208A (en) 1978-03-03
JPS6028437B2 JPS6028437B2 (en) 1985-07-04

Family

ID=14181633

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51097045A Expired JPS6028437B2 (en) 1976-08-16 1976-08-16 Rectification detection circuit

Country Status (1)

Country Link
JP (1) JPS6028437B2 (en)

Also Published As

Publication number Publication date
JPS6028437B2 (en) 1985-07-04

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