JPS50153501A - - Google Patents

Info

Publication number
JPS50153501A
JPS50153501A JP50054179A JP5417975A JPS50153501A JP S50153501 A JPS50153501 A JP S50153501A JP 50054179 A JP50054179 A JP 50054179A JP 5417975 A JP5417975 A JP 5417975A JP S50153501 A JPS50153501 A JP S50153501A
Authority
JP
Japan
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
JP50054179A
Other versions
JPS5624415B2 (ja
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
Publication of JPS50153501A publication Critical patent/JPS50153501A/ja
Publication of JPS5624415B2 publication Critical patent/JPS5624415B2/ja
Expired 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
    • 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
    • H03J7/24—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using varactors, i.e. voltage variable reactive diodes
    • H03J7/26—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using varactors, i.e. voltage variable reactive diodes in which an automatic frequency control circuit is brought into action after the scanning action has been stopped
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/0218—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, by selecting the corresponding analogue value between a set of preset values

Landscapes

  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Transmitters (AREA)
JP5417975A 1974-05-06 1975-05-06 Expired JPS5624415B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL1974170845A PL89827B1 (ja) 1974-05-06 1974-05-06

Publications (2)

Publication Number Publication Date
JPS50153501A true JPS50153501A (ja) 1975-12-10
JPS5624415B2 JPS5624415B2 (ja) 1981-06-05

Family

ID=19967192

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5417975A Expired JPS5624415B2 (ja) 1974-05-06 1975-05-06

Country Status (7)

Country Link
US (1) US4011514A (ja)
JP (1) JPS5624415B2 (ja)
DE (1) DE2519982A1 (ja)
FR (1) FR2289073A1 (ja)
GB (1) GB1512662A (ja)
IT (1) IT1037857B (ja)
PL (1) PL89827B1 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5267201A (en) * 1975-12-01 1977-06-03 Matsushita Electric Ind Co Ltd Station selecting unit
DE2659447C3 (de) * 1976-12-30 1987-04-16 Hitachi Sales Europa Gmbh, 2000 Hamburg Für ein Kraftfahrzeug vorgesehener Rundfunkempfänger
WO1985003824A1 (en) * 1984-02-16 1985-08-29 Ma John Yoh Han Fm subcarrier transmission system
DE60038679T2 (de) * 2000-10-10 2009-05-07 Nemerix S.A. Elektronische Schaltung und RF-Empfänger mit Energiesparsteuerung
JP2004282425A (ja) * 2003-03-17 2004-10-07 Casio Comput Co Ltd 電波受信装置、電波時計及び同調容量設定方法
US7620382B2 (en) * 2005-06-09 2009-11-17 Alps Electric Co., Ltd. Frequency converter capable of preventing level of intermediate frequency signal from lowering due to rise in temperature

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3588706A (en) * 1967-07-24 1971-06-28 Matsushita Electric Ind Co Ltd Automatic tuning receiver
DE2147228C3 (de) * 1971-09-22 1980-02-21 Blaupunkt Werke Gmbh Sägezahngenerator mit Speicherwirkung für einen Sendersuchlauf in Fernsehgeräten
US3859610A (en) * 1974-02-25 1975-01-07 Gte Sylvania Inc Signal channel address system

Also Published As

Publication number Publication date
GB1512662A (en) 1978-06-01
IT1037857B (it) 1979-11-20
PL89827B1 (ja) 1976-12-31
FR2289073B1 (ja) 1978-02-03
FR2289073A1 (fr) 1976-05-21
DE2519982A1 (de) 1975-11-27
JPS5624415B2 (ja) 1981-06-05
US4011514A (en) 1977-03-08

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