IT1127646B - Sistema per la sintonizzazione continua di un recevitore televisiva multibanda - Google Patents

Sistema per la sintonizzazione continua di un recevitore televisiva multibanda

Info

Publication number
IT1127646B
IT1127646B IT27655/79A IT2765579A IT1127646B IT 1127646 B IT1127646 B IT 1127646B IT 27655/79 A IT27655/79 A IT 27655/79A IT 2765579 A IT2765579 A IT 2765579A IT 1127646 B IT1127646 B IT 1127646B
Authority
IT
Italy
Prior art keywords
television receiver
tuning system
continuous tuning
multiband
multiband television
Prior art date
Application number
IT27655/79A
Other languages
English (en)
Other versions
IT7927655A0 (it
Inventor
Dal Frank Griepentrog
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 IT7927655A0 publication Critical patent/IT7927655A0/it
Application granted granted Critical
Publication of IT1127646B publication Critical patent/IT1127646B/it

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
IT27655/79A 1978-11-30 1979-11-28 Sistema per la sintonizzazione continua di un recevitore televisiva multibanda IT1127646B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/965,218 US4249132A (en) 1978-11-30 1978-11-30 Continuous tuning arrangement for a multiband television receiver

Publications (2)

Publication Number Publication Date
IT7927655A0 IT7927655A0 (it) 1979-11-28
IT1127646B true IT1127646B (it) 1986-05-21

Family

ID=25509650

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27655/79A IT1127646B (it) 1978-11-30 1979-11-28 Sistema per la sintonizzazione continua di un recevitore televisiva multibanda

Country Status (8)

Country Link
US (1) US4249132A (it)
JP (1) JPS5939922B2 (it)
CA (1) CA1137235A (it)
DE (1) DE2948302A1 (it)
FI (1) FI70351C (it)
FR (1) FR2443165A1 (it)
GB (1) GB2037517B (it)
IT (1) IT1127646B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7906578A (nl) * 1979-09-03 1981-03-05 Philips Nv Afstemschakeling.
US4317227A (en) * 1980-06-09 1982-02-23 Zenith Radio Corporation Multi-mode automatic channel frequency synthesis system
US4410913A (en) * 1981-10-28 1983-10-18 Rca Corporation Tuning display for a television receiver
DE10219959B4 (de) * 2002-05-03 2006-05-24 Schleifring Und Apparatebau Gmbh Schleifring oder Schleifbahn zur übertragung elektrischer Signale zwischen zwei gegeneinander beweglichen Einheiten

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3492514A (en) * 1967-04-17 1970-01-27 Motorola Inc Voltage variable capacitance range extender
DE1591364B1 (de) * 1967-04-29 1970-08-20 Philips Patentverwaltung Schaltungsanordnung zum Abstimmen
US3646450A (en) * 1969-08-13 1972-02-29 Zenith Radio Corp Voltage-controlled plural-band tuner for a wave signal receiver
US3750030A (en) * 1970-12-29 1973-07-31 Gen Electric Frequency switching circuitry for varactor tuned radio receivers
US3906373A (en) * 1973-02-12 1975-09-16 Zenith Radio Corp Varactor tuning system
US3878466A (en) * 1973-02-12 1975-04-15 Zenith Radio Corp Varactor tuning system
US3962643A (en) * 1974-08-05 1976-06-08 Zenith Radio Corporation Abrupt junction varactor diode television tuner

Also Published As

Publication number Publication date
FR2443165A1 (fr) 1980-06-27
JPS5578619A (en) 1980-06-13
US4249132A (en) 1981-02-03
FI70351B (fi) 1986-02-28
DE2948302A1 (de) 1980-06-12
CA1137235A (en) 1982-12-07
GB2037517B (en) 1983-02-09
FR2443165B1 (it) 1984-01-20
DE2948302C2 (it) 1987-10-15
JPS5939922B2 (ja) 1984-09-27
FI793687A (fi) 1980-05-31
IT7927655A0 (it) 1979-11-28
GB2037517A (en) 1980-07-09
FI70351C (fi) 1986-09-15

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