BE764662A - Dispositif d'accord de television a hyperfrequence accorde electroniquement a circuits resonnants accordables de reglage exact de frequence - Google Patents

Dispositif d'accord de television a hyperfrequence accorde electroniquement a circuits resonnants accordables de reglage exact de frequence

Info

Publication number
BE764662A
BE764662A BE764662A BE764662A BE764662A BE 764662 A BE764662 A BE 764662A BE 764662 A BE764662 A BE 764662A BE 764662 A BE764662 A BE 764662A BE 764662 A BE764662 A BE 764662A
Authority
BE
Belgium
Prior art keywords
hyperfrequency
granted
electronically
frequency adjustment
resonant circuits
Prior art date
Application number
BE764662A
Other languages
English (en)
French (fr)
Inventor
J B George
S E Hilliker
Original Assignee
Rca 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 Rca Corp filed Critical Rca Corp
Publication of BE764662A publication Critical patent/BE764662A/xx

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/18Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance
    • H03B5/1841Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance the frequency-determining element being a strip line resonator
    • H03B5/1847Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance the frequency-determining element being a strip line resonator the active element in the amplifier being a semiconductor device
BE764662A 1970-03-23 1971-03-22 Dispositif d'accord de television a hyperfrequence accorde electroniquement a circuits resonnants accordables de reglage exact de frequence BE764662A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2189870A 1970-03-23 1970-03-23

Publications (1)

Publication Number Publication Date
BE764662A true BE764662A (fr) 1971-08-16

Family

ID=21806730

Family Applications (1)

Application Number Title Priority Date Filing Date
BE764662A BE764662A (fr) 1970-03-23 1971-03-22 Dispositif d'accord de television a hyperfrequence accorde electroniquement a circuits resonnants accordables de reglage exact de frequence

Country Status (12)

Country Link
US (1) US3651409A (es)
JP (1) JPS5013601B1 (es)
AT (1) AT312717B (es)
BE (1) BE764662A (es)
CA (1) CA932821A (es)
DE (1) DE2113867C3 (es)
DK (1) DK136290B (es)
ES (1) ES389482A1 (es)
FR (1) FR2083496B1 (es)
GB (1) GB1309211A (es)
NL (1) NL7103824A (es)
SE (1) SE366440B (es)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3649937A (en) * 1970-03-23 1972-03-14 Rca Corp Electronically tuned ultra high frequency television tuner
DE2330739C2 (de) * 1973-06-16 1982-03-04 Philips Patentverwaltung Gmbh, 2000 Hamburg Bedienungseinrichtung für ein Fernsehempfangsgerät
US3909726A (en) * 1973-09-26 1975-09-30 Zenith Radio Corp UHF Hybrid tuner
US3818349A (en) * 1973-10-01 1974-06-18 Zenith Radio Corp Thick film vhf tuner wherein uhf subchassis is used as external ground element for vhf tuner
US4121182A (en) * 1976-02-26 1978-10-17 Matsushita Electric Industrial Co., Limited Electrical tuning circuit
US4145659A (en) * 1977-05-25 1979-03-20 General Electric Company UHF electronic tuner
JPS6017951Y2 (ja) * 1979-12-31 1985-05-31 アルプス電気株式会社 チュ−ナ装置の共振回路構造
US4468644A (en) * 1982-09-23 1984-08-28 General Instrument Corp. Tunable reject filter for radar warning receiver
US4621241A (en) * 1985-06-07 1986-11-04 Vari-L Company, Inc. Wide range electronic oscillator
US4814729A (en) * 1987-12-09 1989-03-21 Rockwell International Corporation Precisely tunable impatt diode module for weather radar apparatus
TW443717U (en) * 1996-06-28 2001-06-23 Sharp Kk Tuner structure and cable modem tuner using the same
EP1032974A4 (en) * 1997-06-11 2001-04-25 Vari L Co CONTINUOUSLY ADJUSTABLE RESONATOR
GB0126219D0 (en) * 2001-11-01 2002-01-02 Koninkl Philips Electronics Nv Tunable filter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1266373C2 (de) * 1964-02-01 1973-05-24 Telefunken Patent Abstimmeinrichtung fuer mehrere getrennte Frequenzbereiche
US3419813A (en) * 1967-06-22 1968-12-31 Rca Corp Wide-band transistor power amplifier using a short impedance matching section
US3483483A (en) * 1967-09-20 1969-12-09 Fernsehgeratewerke Stassfurt V Transistor oscillator with strip-conductor interstage coupling
US3512105A (en) * 1968-04-29 1970-05-12 Fairchild Camera Instr Co Linear voltage tuned microwave resonant circuits and oscillators

Also Published As

Publication number Publication date
US3651409A (en) 1972-03-21
DK136290C (es) 1978-03-28
AT312717B (de) 1974-01-10
DE2113867B2 (de) 1973-04-05
GB1309211A (en) 1973-03-07
FR2083496A1 (es) 1971-12-17
ES389482A1 (es) 1973-06-01
JPS5013601B1 (es) 1975-05-21
CA932821A (en) 1973-08-28
DE2113867C3 (de) 1973-10-18
DE2113867A1 (de) 1971-10-14
FR2083496B1 (es) 1973-06-08
NL7103824A (es) 1971-09-27
SE366440B (es) 1974-04-22
DK136290B (da) 1977-09-19

Similar Documents

Publication Publication Date Title
BE764662A (fr) Dispositif d'accord de television a hyperfrequence accorde electroniquement a circuits resonnants accordables de reglage exact de frequence
FR2342605A1 (fr) Synthetiseur de frequence a double mode pour dispositif d'accord de television
BE764661A (fr) Dispositif d'accord pour television
BR7106959D0 (pt) Sintonizador de uhf e vhf a varactor ampliando a faixa de conversao
CA951388A (en) Voltage-controlled variable frequency gunn-effect oscillator
DK135970B (da) UHF-oscillator med afstemmelige transmissionslinieresonanskredsløb.
BE766090R (fr) Procede et dispositif d'accord automatique sur une frequence donnee, d'un circuit oscillant a frequence reglable
FR1430413A (fr) Dispositif d'accord pour récepteur de télévision à ultra-hautes fréquences
BE763279A (fr) Dispositif d'accord pour un recepteur de television superheterodyne
BE784241A (fr) Oscillateur electronique de frequence reglable
BE770630A (fr) Oscillateur à régulation de fréquence pour télévision
FR1459240A (fr) Dispositif d'accord pour ultra-hautes fréquences
FR1477495A (fr) Dispositif d'accord par inductance variable
CH402970A (fr) Dispositif de stabilisation de la fréquence d'un oscillateur accordable
FR1536809A (fr) Tube à micro-ondes à dispositif d'accord et de modulation de fréquence par vibration
FR1460396A (fr) Dispositif d'accord pour hautes fréquences
CH496361A (de) Oszillator mit regelbarer Schwingfrequenz
FR1454670A (fr) Dispositif d'accord pour fréquences de radio
FR1546237A (fr) Résonateur à cavité pour dispositif d'accord en hyperfréquence
FR1544649A (fr) Dispositif d'accord à boutons-poussoirs pour récepteur radio
AU583066A (en) Circuit arrangement for controlling the frequency ofan electronically tuned oscillator
FR1483681A (fr) Dispositif d'accord en très haute fréquence
AU476725B2 (en) Electronic oscillator with adjustable frequency
FR1503472A (fr) Dispositif d'accord à circuits oscillants accordables par diodes à variation de capacité
FR1412894A (fr) Dispositif d'accord précis pour récepteur de télévision