BR7106959D0 - Sintonizador de uhf e vhf a varactor ampliando a faixa de conversao - Google Patents

Sintonizador de uhf e vhf a varactor ampliando a faixa de conversao

Info

Publication number
BR7106959D0
BR7106959D0 BR6959/71A BR695971A BR7106959D0 BR 7106959 D0 BR7106959 D0 BR 7106959D0 BR 6959/71 A BR6959/71 A BR 6959/71A BR 695971 A BR695971 A BR 695971A BR 7106959 D0 BR7106959 D0 BR 7106959D0
Authority
BR
Brazil
Prior art keywords
uhf
conversion range
varactor tuner
vhf
extending
Prior art date
Application number
BR6959/71A
Other languages
English (en)
Inventor
T Gosard
Original Assignee
Standard Kollsman Ind 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 Standard Kollsman Ind Inc filed Critical Standard Kollsman Ind Inc
Publication of BR7106959D0 publication Critical patent/BR7106959D0/pt

Links

Classifications

    • 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
BR6959/71A 1970-10-30 1971-10-19 Sintonizador de uhf e vhf a varactor ampliando a faixa de conversao BR7106959D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8558370A 1970-10-30 1970-10-30

Publications (1)

Publication Number Publication Date
BR7106959D0 true BR7106959D0 (pt) 1973-04-12

Family

ID=22192600

Family Applications (1)

Application Number Title Priority Date Filing Date
BR6959/71A BR7106959D0 (pt) 1970-10-30 1971-10-19 Sintonizador de uhf e vhf a varactor ampliando a faixa de conversao

Country Status (4)

Country Link
US (1) US3696302A (pt)
BR (1) BR7106959D0 (pt)
CA (1) CA927923A (pt)
GB (1) GB1337294A (pt)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3935534A (en) * 1972-11-15 1976-01-27 Columbia Pictures Industries, Inc. Converter-tuner for information transmission system
US4079415A (en) * 1975-11-07 1978-03-14 Vari-L Company, Inc. Frequency translator
DE2612720C2 (de) * 1976-03-25 1977-09-29 Siemens AG, 1000 Berlin und 8000 München Abstimmbarer, selektiver Überlagerungsempfänger
US4408347A (en) * 1977-07-29 1983-10-04 Texas Instruments Incorporated High-frequency channel selector having fixed bandpass filters in the RF section
US4228543A (en) * 1978-03-24 1980-10-14 Jackson Joseph N Programmable television receiver controllers
JPS55121740A (en) * 1979-03-14 1980-09-19 Alps Electric Co Ltd Television voice receiving tuner
US4399559A (en) * 1980-05-30 1983-08-16 Rca Corporation Voltage controlled tuner with voltage variable frequency selective arrangements controlled in response to a control voltage generated independently of the tuning voltage
US4361909A (en) * 1980-05-30 1982-11-30 Rca Corporation Pre-tuner tracking traps responsive to a tuning voltage
US4368541A (en) * 1980-06-30 1983-01-11 Evans Robert M Multiplexing arrangement for a plurality of voltage controlled filters
US4419768A (en) * 1980-09-30 1983-12-06 Matsushita Electric Industrial Company, Limited Wideband tuner for VHF, CATV and UHF television signals
US4965825A (en) 1981-11-03 1990-10-23 The Personalized Mass Media Corporation Signal processing apparatus and methods
USRE47642E1 (en) 1981-11-03 2019-10-08 Personalized Media Communications LLC Signal processing apparatus and methods
US4418428A (en) * 1982-03-30 1983-11-29 Rca Corporation Tuning system for a multi-band television receiver
US4418427A (en) * 1982-03-30 1983-11-29 Rca Corporation Tuning system for a multi-band television receiver
US4442548A (en) * 1982-05-14 1984-04-10 Rca Corporation Television receiver tuning circuit tunable over a wide frequency range
DE3318197C1 (de) * 1983-05-19 1984-10-04 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Eingangsschaltungsanordnung fuer Fernsehempfangsgeraete
US4499602A (en) * 1983-06-28 1985-02-12 Rca Corporation Double conversion tuner for broadcast and cable television channels
US4562472A (en) * 1983-11-30 1985-12-31 Rca Corporation Double conversion tuner with split IF output
DE3509517A1 (de) * 1985-03-16 1986-09-25 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung fuer einen tuner zur umschaltung zweier frequenzbaender
US5893030A (en) * 1994-05-25 1999-04-06 Oki Telecom Dual-function double balanced mixer circuit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2529443A (en) * 1945-10-22 1950-11-07 Premier Crystal Lab Inc Multiband superheterodyne radio receiver having a push-button station selector
US2902598A (en) * 1953-03-31 1959-09-01 Radion Corp Double conversion multi-band tuning unit
US3207990A (en) * 1961-08-10 1965-09-21 Standard Kollsman Ind Inc Unilaterally-transmissive frequency-selective triode converter
US3242433A (en) * 1962-08-13 1966-03-22 Rca Corp Uhf adaptor for vhf television receivers
US3573631A (en) * 1968-08-30 1971-04-06 Rca Corp Oscillator circuit with series resonant coupling to mixer
US3555430A (en) * 1969-04-22 1971-01-12 Anaconda Wire & Cable Co Television receiver converter

Also Published As

Publication number Publication date
GB1337294A (en) 1973-11-14
US3696302A (en) 1972-10-03
CA927923A (en) 1973-06-05

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