FR1559438A - - Google Patents

Info

Publication number
FR1559438A
FR1559438A FR1559438DA FR1559438A FR 1559438 A FR1559438 A FR 1559438A FR 1559438D A FR1559438D A FR 1559438DA FR 1559438 A FR1559438 A FR 1559438A
Authority
FR
France
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
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
Application granted granted Critical
Publication of FR1559438A publication Critical patent/FR1559438A/fr
Expired 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
    • 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
    • H03J5/24—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 a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
    • H03J5/242—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 a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection
    • H03J5/244—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 a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection using electronic means
FR1559438D 1967-04-29 1968-03-28 Expired FR1559438A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEP0042041 1967-04-29

Publications (1)

Publication Number Publication Date
FR1559438A true FR1559438A (fr) 1969-03-07

Family

ID=7378273

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1559439D Expired FR1559439A (fr) 1967-04-29 1968-03-28
FR1559438D Expired FR1559438A (fr) 1967-04-29 1968-03-28

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR1559439D Expired FR1559439A (fr) 1967-04-29 1968-03-28

Country Status (6)

Country Link
US (2) US3564423A (fr)
AT (1) AT276493B (fr)
DE (1) DE1591364B1 (fr)
ES (2) ES353243A1 (fr)
FR (2) FR1559439A (fr)
NL (2) NL6805623A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0129154A2 (fr) * 1983-06-16 1984-12-27 TELEFUNKEN electronic GmbH Circuit d'accord pour au moins deux plages de fréquence

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3715495A (en) * 1971-02-26 1973-02-06 Matsushita Electric Ind Co Ltd Signal seeking type auto-tuning television receiver
DE2257574B1 (fr) * 1972-11-24 1974-05-22 Philips Patentverwaltung Gmbh, 2000 Hamburg
US3825858A (en) * 1973-02-23 1974-07-23 Hitachi Ltd Local oscillator for use in a vhf tuner for a television receiver
DE2828838C2 (de) * 1977-07-01 1983-10-20 Hitachi, Ltd., Tokyo HF-Eingangsschaltung für Fernsehempfänger
US4189678A (en) * 1977-08-18 1980-02-19 Sanyo Electric Co., Ltd. Combination VHF-UHF tuner for use in a television receiver
JPS6038063B2 (ja) * 1978-05-29 1985-08-29 株式会社日立製作所 テレビ用チュ−ナ回路
GB2025178B (en) * 1978-07-07 1982-09-02 Gen Instrument Corp Mixing and bandswitching in a multi-band tuner system
US4249255A (en) * 1978-11-30 1981-02-03 Rca Corporation Continuous tuning arrangement for a multiband television receiver
US4249256A (en) * 1978-11-30 1981-02-03 Rca Corporation Continuous tuning arrangement for a multiband television receiver
US4249132A (en) * 1978-11-30 1981-02-03 Rca Corporation Continuous tuning arrangement for a multiband television receiver
US4271529A (en) * 1980-03-20 1981-06-02 Zenith Radio Corporation Tunable resonant circuits for a multi-band VHF/UHF/CATV tuner
US4363135A (en) * 1980-10-27 1982-12-07 Zenith Radio Corporation Four band VHF varactor tuner
JPS61113437U (fr) * 1984-12-26 1986-07-17
US4703292A (en) * 1985-03-04 1987-10-27 Sony Corporation Tuning circuit apparatus
US5715528A (en) * 1996-02-08 1998-02-03 Ford Motor Company Converting capacitance to inductance in a floating resonant
WO2001045251A1 (fr) * 1999-12-14 2001-06-21 Broadcom Corporation Technique de repliement de varactor pour reduction de bruit de phase dans des oscillateurs electroniques
US6583675B2 (en) * 2001-03-20 2003-06-24 Broadcom Corporation Apparatus and method for phase lock loop gain control using unit current sources
CA2490396A1 (fr) * 2004-12-16 2006-06-16 Galt Display Rack Co. Ltd. Presentoir a tapis
JP2007068069A (ja) * 2005-09-02 2007-03-15 Alps Electric Co Ltd 同調回路

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1248758B (fr) * 1967-08-21
DE890194C (de) * 1941-01-21 1953-09-17 Aeg Rueckgekoppelter Roehrengenerator zur gleichzeitigen Erzeugung mehrerer Frequenzen
BE521745A (fr) * 1952-08-22
US3103637A (en) * 1958-11-19 1963-09-10 Rca Corp Wide band electric tuning utilizing diodes
US3118116A (en) * 1959-01-30 1964-01-14 Raytheon Co Oscillator frequency selecting circuits
DE1196730B (de) * 1964-09-02 1965-07-15 Telefunken Patent Abstimmvorrichtung fuer hochfrequente elektrische Schwingungen
DE1225715B (de) * 1965-05-22 1966-09-29 Telefunken Patent Schaltungsanordnung zur elektronischen Abstimmung eines UEberlagerungsempfaengers
DE1240955B (de) * 1965-12-08 1967-05-24 Graetz Kommanditgesellschaft Schwingkreisanordnung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0129154A2 (fr) * 1983-06-16 1984-12-27 TELEFUNKEN electronic GmbH Circuit d'accord pour au moins deux plages de fréquence
EP0129154A3 (fr) * 1983-06-16 1986-04-16 TELEFUNKEN electronic GmbH Circuit d'accord pour au moins deux plages de fréquence

Also Published As

Publication number Publication date
US3526859A (en) 1970-09-01
ES353242A1 (es) 1969-10-01
NL6805623A (fr) 1968-10-30
NL6805767A (fr) 1968-10-30
DE1591364B1 (de) 1970-08-20
ES353243A1 (es) 1969-10-01
AT276493B (de) 1969-11-25
FR1559439A (fr) 1969-03-07
US3564423A (en) 1971-02-16

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Legal Events

Date Code Title Description
ST Notification of lapse