JPS53101911A - Multi-frequency signal receiver - Google Patents

Multi-frequency signal receiver

Info

Publication number
JPS53101911A
JPS53101911A JP1625177A JP1625177A JPS53101911A JP S53101911 A JPS53101911 A JP S53101911A JP 1625177 A JP1625177 A JP 1625177A JP 1625177 A JP1625177 A JP 1625177A JP S53101911 A JPS53101911 A JP S53101911A
Authority
JP
Japan
Prior art keywords
frequency signal
signal receiver
idstortion
antimetrical
miniaturization
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
JP1625177A
Other languages
Japanese (ja)
Inventor
Kazuhiko Takaoka
Kojiro Sakurai
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP1625177A priority Critical patent/JPS53101911A/en
Publication of JPS53101911A publication Critical patent/JPS53101911A/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
    • H04Q1/30—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:To realize the miniaturization with the antimetrical relation between the idstortion component and operation answering time reduced by controlling the AGC circuit with the maximum level signal among output signals of a channel filter.
JP1625177A 1977-02-18 1977-02-18 Multi-frequency signal receiver Pending JPS53101911A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1625177A JPS53101911A (en) 1977-02-18 1977-02-18 Multi-frequency signal receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1625177A JPS53101911A (en) 1977-02-18 1977-02-18 Multi-frequency signal receiver

Publications (1)

Publication Number Publication Date
JPS53101911A true JPS53101911A (en) 1978-09-05

Family

ID=11911336

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1625177A Pending JPS53101911A (en) 1977-02-18 1977-02-18 Multi-frequency signal receiver

Country Status (1)

Country Link
JP (1) JPS53101911A (en)

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