GB1298125A - A system of automatic tuning of a controllable-frequency oscillatory circuit to a given frequency - Google Patents

A system of automatic tuning of a controllable-frequency oscillatory circuit to a given frequency

Info

Publication number
GB1298125A
GB1298125A GB25933/70A GB2593370A GB1298125A GB 1298125 A GB1298125 A GB 1298125A GB 25933/70 A GB25933/70 A GB 25933/70A GB 2593370 A GB2593370 A GB 2593370A GB 1298125 A GB1298125 A GB 1298125A
Authority
GB
United Kingdom
Prior art keywords
circuit
output
counter
voltage
amplifier
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
GB25933/70A
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.)
International Standard Electric Corp
Original Assignee
International 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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of GB1298125A publication Critical patent/GB1298125A/en
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
    • H03J7/28—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using counters or frequency dividers

Landscapes

  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Electric Clocks (AREA)
  • Dc-Dc Converters (AREA)
  • Amplifiers (AREA)
GB25933/70A 1969-05-29 1970-05-29 A system of automatic tuning of a controllable-frequency oscillatory circuit to a given frequency Expired GB1298125A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6917509A FR2041949A5 (enExample) 1969-05-29 1969-05-29

Publications (1)

Publication Number Publication Date
GB1298125A true GB1298125A (en) 1972-11-29

Family

ID=9034744

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25933/70A Expired GB1298125A (en) 1969-05-29 1970-05-29 A system of automatic tuning of a controllable-frequency oscillatory circuit to a given frequency

Country Status (5)

Country Link
US (1) US3614666A (enExample)
BE (1) BE766090R (enExample)
DE (1) DE2025936C3 (enExample)
FR (1) FR2041949A5 (enExample)
GB (1) GB1298125A (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2207030A1 (de) * 1972-02-15 1973-08-30 Loewe Opta Gmbh Bedienungseinrichtung zur elektronischen einstellung der geraetehauptfunktionen in rundfunk- und/oder fernsehgeraeten
GB1503334A (en) * 1974-02-25 1978-03-08 Matsushita Electric Industrial Co Ltd Tuning apparatus using a voltage-dependent reactance element
USRE30054E (en) * 1974-04-19 1979-07-24 U.S. Philips Corporation Control device
NL7405304A (nl) * 1974-04-19 1975-10-21 Philips Nv Bedieningsinrichting.
IT1156199B (it) * 1978-04-18 1987-01-28 Selenia Ind Elettroniche Perfezionamento nei circuiti si sintonia automatica per filtri controllati in tensione mediante controllo di fase digitale
DE2945331C2 (de) * 1979-11-09 1984-05-30 Nixdorf Computer Ag, 4790 Paderborn Vorrichtung in einer Signal-oder Datenverarbeitungsanlage zur Einstellung einer Signalverarbeitungsschaltung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
DE2025936C3 (de) 1973-01-04
FR2041949A5 (enExample) 1971-02-05
BE766090R (fr) 1971-10-22
US3614666A (en) 1971-10-19
DE2025936A1 (de) 1970-12-03
DE2025936B2 (de) 1972-06-22

Similar Documents

Publication Publication Date Title
US3736513A (en) Receiver tuning system
US3259851A (en) Digital system for stabilizing the operation of a variable frequency oscillator
US2188611A (en) Impulse generator
GB1299420A (en) Impulse width discriminator
GB1298125A (en) A system of automatic tuning of a controllable-frequency oscillatory circuit to a given frequency
GB1066649A (en) Improvements in or relating to frequency demodulating circuits
US3060326A (en) Automatic pulse amplitude control
US3959603A (en) Dual tone multiple frequency receiver/decoder
GB1064448A (en) Automatic frequency control and station searching arrangement
GB1490225A (en) Notch rejection filter circuit
GB1421093A (en) Frequency discriminator circuit arrangement
US2467476A (en) Frequency divider circuit
GB820957A (en) Improvements in or relating to analogue computing apparatus
US2950053A (en) Electrical integrator
JPS553238A (en) Reception frequency display system
GB786682A (en) Improvements in or relating to electric circuits for analyzing and synthesizing periodic complex waves
JPS5224019A (en) Tuning receive system
GB1512662A (en) Receiver tuning circuit having a tuning voltage memory circuit for tuning of electronically tuned receivers
US4348770A (en) Manual channel selection apparatus
US3049626A (en) Spectrum generator
US2600561A (en) Pulse modulation system
SU478418A1 (ru) Фильтрующее устройство
JPS5784625A (en) Phase synchronizing oscillator
ES275362A1 (es) Dispositivo que comprende un oscilador y un conector de frecuencia acoplado
US3328687A (en) Frequency discriminator having oscillators which are selectively controlled to indicate the value of unknown input frequency

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees