FI70351C - Stegloest avstaemningssystem foer en flerbandstelevisionsmottagare - Google Patents

Stegloest avstaemningssystem foer en flerbandstelevisionsmottagare Download PDF

Info

Publication number
FI70351C
FI70351C FI793687A FI793687A FI70351C FI 70351 C FI70351 C FI 70351C FI 793687 A FI793687 A FI 793687A FI 793687 A FI793687 A FI 793687A FI 70351 C FI70351 C FI 70351C
Authority
FI
Finland
Prior art keywords
voltage
movable contact
point
resistor
type
Prior art date
Application number
FI793687A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI793687A (fi
FI70351B (fi
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 FI793687A publication Critical patent/FI793687A/fi
Application granted granted Critical
Publication of FI70351B publication Critical patent/FI70351B/fi
Publication of FI70351C publication Critical patent/FI70351C/fi

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

Landscapes

  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
FI793687A 1978-11-30 1979-11-23 Stegloest avstaemningssystem foer en flerbandstelevisionsmottagare FI70351C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US96521878 1978-11-30
US05/965,218 US4249132A (en) 1978-11-30 1978-11-30 Continuous tuning arrangement for a multiband television receiver

Publications (3)

Publication Number Publication Date
FI793687A FI793687A (fi) 1980-05-31
FI70351B FI70351B (fi) 1986-02-28
FI70351C true FI70351C (fi) 1986-09-15

Family

ID=25509650

Family Applications (1)

Application Number Title Priority Date Filing Date
FI793687A FI70351C (fi) 1978-11-30 1979-11-23 Stegloest avstaemningssystem foer en flerbandstelevisionsmottagare

Country Status (8)

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

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
DE2948302A1 (de) 1980-06-12
GB2037517A (en) 1980-07-09
GB2037517B (en) 1983-02-09
CA1137235A (fr) 1982-12-07
JPS5939922B2 (ja) 1984-09-27
FI793687A (fi) 1980-05-31
US4249132A (en) 1981-02-03
JPS5578619A (en) 1980-06-13
IT7927655A0 (it) 1979-11-28
FI70351B (fi) 1986-02-28
DE2948302C2 (fr) 1987-10-15
FR2443165B1 (fr) 1984-01-20
FR2443165A1 (fr) 1980-06-27
IT1127646B (it) 1986-05-21

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: RCA CORPORATION