FR1542076A - Système d'accord électronique - Google Patents

Système d'accord électronique

Info

Publication number
FR1542076A
FR1542076A FR126341A FR126341A FR1542076A FR 1542076 A FR1542076 A FR 1542076A FR 126341 A FR126341 A FR 126341A FR 126341 A FR126341 A FR 126341A FR 1542076 A FR1542076 A FR 1542076A
Authority
FR
France
Prior art keywords
tuning system
electronic tuning
electronic
tuning
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
FR126341A
Other languages
English (en)
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of FR1542076A publication Critical patent/FR1542076A/fr
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
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/08—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using varactors, i.e. voltage variable reactive diodes
    • H03J7/12—Combination of automatic frequency control voltage with stabilised varactor supply voltage
    • 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
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
FR126341A 1966-11-01 1967-10-30 Système d'accord électronique Expired FR1542076A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US59120066A 1966-11-01 1966-11-01

Publications (1)

Publication Number Publication Date
FR1542076A true FR1542076A (fr) 1968-10-11

Family

ID=24365493

Family Applications (1)

Application Number Title Priority Date Filing Date
FR126341A Expired FR1542076A (fr) 1966-11-01 1967-10-30 Système d'accord électronique

Country Status (4)

Country Link
US (1) US3440544A (fr)
DE (1) DE1297702B (fr)
FR (1) FR1542076A (fr)
GB (1) GB1130139A (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1232202A (fr) * 1967-08-14 1971-05-19
US3571719A (en) * 1968-12-13 1971-03-23 Motorola Inc Overload compensation circuit for antenna tuning system
DE6913115U (de) * 1969-04-01 1969-08-14 Licentia Gmbh Einstellgeraet fuer empfangsgeraete der nachrichtentechnik
US3619492A (en) * 1969-06-02 1971-11-09 Rca Corp Automatic fine tuning circuitry
DE1965223B2 (de) * 1969-12-29 1977-07-21 Standard Elektrik Lorenz Ag, 7000 Stuttgart Tastschaltung fuer eine programmierte frequenzwahl in rundfunk- und fernsehgeraeten
FR2079821A5 (fr) * 1970-02-13 1971-11-12 Motorola Inc
DE2019375C3 (de) * 1970-04-22 1981-04-16 Standard Elektrik Lorenz Ag, 7000 Stuttgart Anordnung zur Korrektur des Temperaturganges von Kapazitätsdiodenschaltungen, insbesondere bei Tastschaltungen für eine programmierte Frequenzwahl im Rundfunk- und Fernsehgeräten
US3697885A (en) * 1970-12-04 1972-10-10 Rca Corp Automatic frequency control circuits
US3704422A (en) * 1970-12-18 1972-11-28 Arvin Ind Inc Frequency lock-in preset tuning system
US3750030A (en) * 1970-12-29 1973-07-31 Gen Electric Frequency switching circuitry for varactor tuned radio receivers
US3755763A (en) * 1971-03-23 1973-08-28 Nippon Bakki Seizo K K Fm-am preset tuning devices
US3761823A (en) * 1971-07-27 1973-09-25 Philco Ford Corp Automotive radio rundown noise eliminator
US3758865A (en) * 1972-01-18 1973-09-11 Gen Motors Corp Bias voltage generator for the voltage-responsive tuning elements in an electronically tuned radio receiver
US3914696A (en) * 1974-01-18 1975-10-21 Rca Corp Controllable reference supply for television tuners
US3896403A (en) * 1974-05-03 1975-07-22 Zenith Radio Corp Touch-tuning system for a television receiver
US4003004A (en) * 1975-04-09 1977-01-11 Nasa Frequency modulated oscillator
JPS5255360A (en) * 1975-10-31 1977-05-06 Hitachi Ltd Phase fixing loop synthesizer
NL7704772A (nl) * 1977-05-02 1978-11-06 Philips Nv Ontvanger voorzien van een afstemorgaan en een automatische afstemkorrektie-onderdrukkings- schakeling.
US4267602A (en) * 1978-11-02 1981-05-12 Gte Products Corporation Acquisition delay circuit for a PLL reference oscillator
US4234962A (en) * 1979-09-17 1980-11-18 Gte Products Corporation Automatic AFT defeat circuit
US4476583A (en) * 1983-02-28 1984-10-09 Rca Corporation Electronic tracking for tuners

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1171032B (de) * 1961-11-13 1964-05-27 Telefunken Patent Anordnung zur elektronischen Abstimmung und zur automatischen Scharfabstimmung
DE1198425B (de) * 1962-11-22 1965-08-12 Cit Alcatel Schaltungsanordnung mit elektrisch steuerbarer Kapazitaet
US3249876A (en) * 1963-02-07 1966-05-03 Gen Dynamics Corp Precision tracking of electrically tuned circuits
DE1171964B (de) * 1963-04-26 1964-06-11 Intermetall Verfahren und Schaltungsanordnung zur automatischen Sendersuche
DE1184816B (de) * 1963-05-14 1965-01-07 Graetz Kommanditgesellschaft Automatischer Sendersuchlauf
US3316498A (en) * 1966-07-08 1967-04-25 Gen Precision Inc Voltage controlled oscillator having forward biased diode

Also Published As

Publication number Publication date
US3440544A (en) 1969-04-22
GB1130139A (en) 1968-10-09
DE1297702B (de) 1969-06-19

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