ZA744233B - Automatic frequency control arrangement - Google Patents

Automatic frequency control arrangement

Info

Publication number
ZA744233B
ZA744233B ZA00744233A ZA744233A ZA744233B ZA 744233 B ZA744233 B ZA 744233B ZA 00744233 A ZA00744233 A ZA 00744233A ZA 744233 A ZA744233 A ZA 744233A ZA 744233 B ZA744233 B ZA 744233B
Authority
ZA
South Africa
Prior art keywords
frequency control
control arrangement
automatic frequency
automatic
arrangement
Prior art date
Application number
ZA00744233A
Other languages
English (en)
Inventor
L Grohmann
Original Assignee
Int Standard Electric Corp
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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of ZA744233B publication Critical patent/ZA744233B/xx

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
    • H03J7/06—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 counters or frequency dividers
ZA00744233A 1973-07-03 1974-07-02 Automatic frequency control arrangement ZA744233B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732333851 DE2333851A1 (de) 1973-07-03 1973-07-03 Verfahren und anordnungen zur selbsttaetigen nachregelung der mit einer abstimmanordnunggeingestellten oszillatorfrequenz eines ueberlagerungsempfangsteils einer bild und/oder tonwiedergabeanordnung

Publications (1)

Publication Number Publication Date
ZA744233B true ZA744233B (en) 1975-07-30

Family

ID=5885824

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00744233A ZA744233B (en) 1973-07-03 1974-07-02 Automatic frequency control arrangement

Country Status (6)

Country Link
US (1) US3922609A (fr)
DE (1) DE2333851A1 (fr)
FR (1) FR2236317B3 (fr)
GB (1) GB1448798A (fr)
NL (1) NL7408648A (fr)
ZA (1) ZA744233B (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1073074B (it) * 1975-11-14 1985-04-13 Rca Corp Sintetizzatore di frequenze televisive,per portanti di frequenza non standardizzata
US4422096A (en) * 1975-11-14 1983-12-20 Rca Corporation Television frequency synthesizer for nonstandard frequency carriers
GB1526338A (en) * 1976-05-22 1978-09-27 Eddystone Radio Superheterodyne receivers
JPS5563118A (en) * 1978-11-02 1980-05-13 Sony Corp Aft circuit
DE2912710C3 (de) * 1979-03-30 1982-02-25 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Abstimmschaltung für einen Empfänger, deren Abstimmlage von dem Stand eines Zählers bestimmt wird
US4291414A (en) * 1979-05-02 1981-09-22 Nippon Gakki Seizo Kabushiki Kaisha Radio receiver operable in station search mode or station select mode
US4348772A (en) * 1979-11-26 1982-09-07 Bell Telephone Laboratories, Incorporated Frequency stabilization circuit for a local oscillator
DE3025358A1 (de) * 1980-07-04 1982-01-21 Deutsche Itt Industries Gmbh, 7800 Freiburg Regelsystem zum einstellen einer physikalischen groesse
US4600924A (en) * 1984-03-21 1986-07-15 Allied Corporation Automatic frequency control for radar receiver
DE3438286A1 (de) * 1984-10-16 1986-04-17 Hansen/Catito Elektronik, 1000 Berlin Verfahren und schaltungsanordnung zum umsetzen frequenzmodulierter signale ueber mindestens eine zwischenfrequenz in niederfrequenzsignale
DE3606250A1 (de) * 1986-02-24 1987-08-27 Hansen Elektronic & Co Verfahren und vorrichtung zum umsetzen frequenzmodulierter signale ueber mindestens eine zwischenfrequenz in niederfrequenzsignale
US4959872A (en) * 1988-06-23 1990-09-25 Kabushiki Kaisha Toshiba Automatic frequency control apparatus for FM receivers
GB9006919D0 (en) * 1990-03-28 1990-05-23 Panther Giles Paging receiver
US5606737A (en) * 1992-03-09 1997-02-25 Fujitsu Limited Oscillator mixer and a multiplier mixer for outputting a baseband signal based upon an input and output signal

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3185938A (en) * 1962-02-27 1965-05-25 Louis V Pelosi Vfo control for generating stable discrete frequencies
FR1539645A (fr) * 1967-02-21 1968-09-20 Materiel Telephonique Procédé et dispositif d'accord automatique sur une fréquence donnée, d'un circuit oscillant à fréquence réglable
US3488605A (en) * 1968-05-15 1970-01-06 Slant Fin Corp Oscillator with digital counter frequency control circuits

Also Published As

Publication number Publication date
NL7408648A (nl) 1975-01-07
DE2333851A1 (de) 1975-01-23
FR2236317A1 (fr) 1975-01-31
GB1448798A (en) 1976-09-08
US3922609A (en) 1975-11-25
FR2236317B3 (fr) 1977-05-06

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