JPS6359568B2 - - Google Patents

Info

Publication number
JPS6359568B2
JPS6359568B2 JP55152915A JP15291580A JPS6359568B2 JP S6359568 B2 JPS6359568 B2 JP S6359568B2 JP 55152915 A JP55152915 A JP 55152915A JP 15291580 A JP15291580 A JP 15291580A JP S6359568 B2 JPS6359568 B2 JP S6359568B2
Authority
JP
Japan
Prior art keywords
output
level
circuit
terminal
signal
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.)
Expired
Application number
JP55152915A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5776913A (en
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 filed Critical
Priority to JP55152915A priority Critical patent/JPS5776913A/ja
Priority to US06/315,455 priority patent/US4399463A/en
Priority to AU76926/81A priority patent/AU530444B2/en
Priority to DE8181109122T priority patent/DE3168822D1/de
Priority to EP81109122A priority patent/EP0050876B1/en
Priority to CA000388960A priority patent/CA1171911A/en
Publication of JPS5776913A publication Critical patent/JPS5776913A/ja
Publication of JPS6359568B2 publication Critical patent/JPS6359568B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/18—Automatic scanning over a band of frequencies
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/18—Automatic scanning over a band of frequencies
    • H03J7/20—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element
    • H03J7/28—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using counters or frequency dividers

Landscapes

  • Television Receiver Circuits (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
JP55152915A 1980-10-29 1980-10-29 Signal detecting circuit Granted JPS5776913A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP55152915A JPS5776913A (en) 1980-10-29 1980-10-29 Signal detecting circuit
US06/315,455 US4399463A (en) 1980-10-29 1981-10-27 Signal detector circuit
AU76926/81A AU530444B2 (en) 1980-10-29 1981-10-28 Level switching
DE8181109122T DE3168822D1 (en) 1980-10-29 1981-10-28 Signal detector circuit
EP81109122A EP0050876B1 (en) 1980-10-29 1981-10-28 Signal detector circuit
CA000388960A CA1171911A (en) 1980-10-29 1981-10-28 Signal detector circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55152915A JPS5776913A (en) 1980-10-29 1980-10-29 Signal detecting circuit

Publications (2)

Publication Number Publication Date
JPS5776913A JPS5776913A (en) 1982-05-14
JPS6359568B2 true JPS6359568B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-11-21

Family

ID=15550920

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55152915A Granted JPS5776913A (en) 1980-10-29 1980-10-29 Signal detecting circuit

Country Status (6)

Country Link
US (1) US4399463A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0050876B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5776913A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU530444B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1171911A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3168822D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5410621A (en) * 1977-06-27 1979-01-26 Hitachi Ltd Detection circuit for normal tuning frequency
US4264976A (en) * 1978-03-17 1981-04-28 Sanyo Electric Co., Ltd. Tuning control apparatus for digital tuner
JPS5518119A (en) * 1978-07-26 1980-02-08 Hitachi Ltd Automatic tuning circuit
US4249256A (en) * 1978-11-30 1981-02-03 Rca Corporation Continuous tuning arrangement for a multiband television receiver
JPS6017276B2 (ja) * 1979-07-02 1985-05-01 松下電器産業株式会社 多方式テレビジョン受像機
US4280140A (en) * 1980-02-19 1981-07-21 Zenith Radio Corporation Microcomputer-controlled one-step-back automatic frequency control tuning system

Also Published As

Publication number Publication date
EP0050876B1 (en) 1985-02-06
EP0050876A1 (en) 1982-05-05
JPS5776913A (en) 1982-05-14
US4399463A (en) 1983-08-16
CA1171911A (en) 1984-07-31
AU530444B2 (en) 1983-07-14
AU7692681A (en) 1982-05-06
DE3168822D1 (en) 1985-03-21

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