JPS4978401A - - Google Patents

Info

Publication number
JPS4978401A
JPS4978401A JP48120616A JP12061673A JPS4978401A JP S4978401 A JPS4978401 A JP S4978401A JP 48120616 A JP48120616 A JP 48120616A JP 12061673 A JP12061673 A JP 12061673A JP S4978401 A JPS4978401 A JP S4978401A
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.)
Pending
Application number
JP48120616A
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 JPS4978401A publication Critical patent/JPS4978401A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
    • H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
    • H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes
JP48120616A 1972-10-27 1973-10-26 Pending JPS4978401A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00301706A US3806844A (en) 1972-10-27 1972-10-27 Uhf varactor tuner having a chassis of unitary construction

Publications (1)

Publication Number Publication Date
JPS4978401A true JPS4978401A (ja) 1974-07-29

Family

ID=23164515

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48120616A Pending JPS4978401A (ja) 1972-10-27 1973-10-26

Country Status (4)

Country Link
US (1) US3806844A (ja)
JP (1) JPS4978401A (ja)
CA (1) CA1011890A (ja)
ES (1) ES419945A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5671623U (ja) * 1979-11-07 1981-06-12

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3909726A (en) * 1973-09-26 1975-09-30 Zenith Radio Corp UHF Hybrid tuner
JPS5299746A (en) * 1976-02-18 1977-08-22 Toshiba Corp Microstrip line
US4048597A (en) * 1976-06-28 1977-09-13 Rca Corporation Planar printed circuit board arrangement useful in the uhf portion of a television tuner
US4897624A (en) * 1989-02-23 1990-01-30 Thomson Consumer Electronics, Inc. Unitary capacitance trimmer
US4851798A (en) * 1988-03-31 1989-07-25 Rca Licensing Corporation Unitary tuning structure
FR2714217B1 (fr) * 1993-12-17 1996-01-26 Thomson Csf Filtre hyperfréquence à résonateurs couplés accordés par des capacités variables, à structure triplaque et à agilité de fréquence.
EP1143552A1 (en) * 2000-03-09 2001-10-10 Lucent Technologies Inc. Sheet-metal filter

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4222004Y1 (ja) * 1964-09-22 1967-12-16

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3264566A (en) * 1962-07-13 1966-08-02 Gen Instrument Corp Electronic switching of tuned circuits
DE1266373C2 (de) * 1964-02-01 1973-05-24 Telefunken Patent Abstimmeinrichtung fuer mehrere getrennte Frequenzbereiche
US3483483A (en) * 1967-09-20 1969-12-09 Fernsehgeratewerke Stassfurt V Transistor oscillator with strip-conductor interstage coupling
US3624554A (en) * 1970-03-23 1971-11-30 Rca Corp Ultrahigh frequency oscillator utilizing transmission line tunable resonant circuits
US3679990A (en) * 1971-01-27 1972-07-25 Gen Instrument Corp Variable frequency oscillator with substantially linear afc over tuning range

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4222004Y1 (ja) * 1964-09-22 1967-12-16

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5671623U (ja) * 1979-11-07 1981-06-12

Also Published As

Publication number Publication date
ES419945A1 (es) 1976-04-16
US3806844A (en) 1974-04-23
CA1011890A (en) 1977-06-07

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