FI75962C - Avstaemningssystem foer en flerbandig televisionsmottagare. - Google Patents

Avstaemningssystem foer en flerbandig televisionsmottagare. Download PDF

Info

Publication number
FI75962C
FI75962C FI830993A FI830993A FI75962C FI 75962 C FI75962 C FI 75962C FI 830993 A FI830993 A FI 830993A FI 830993 A FI830993 A FI 830993A FI 75962 C FI75962 C FI 75962C
Authority
FI
Finland
Prior art keywords
signal
tuning
frequency
resistor
capacitance diode
Prior art date
Application number
FI830993A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI75962B (fi
FI830993A0 (fi
FI830993L (fi
Inventor
Max Ward Muterspaugh
Robert Michael Evans
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
Priority claimed from US06/363,567 external-priority patent/US4418427A/en
Priority claimed from US06/363,570 external-priority patent/US4418428A/en
Application filed by Rca Corp filed Critical Rca Corp
Publication of FI830993A0 publication Critical patent/FI830993A0/fi
Publication of FI830993L publication Critical patent/FI830993L/fi
Publication of FI75962B publication Critical patent/FI75962B/fi
Application granted granted Critical
Publication of FI75962C publication Critical patent/FI75962C/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
    • H03J5/246—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 using electronic means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/50—Tuning indicators; Automatic tuning control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Superheterodyne Receivers (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
FI830993A 1982-03-30 1983-03-23 Avstaemningssystem foer en flerbandig televisionsmottagare. FI75962C (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US06/363,567 US4418427A (en) 1982-03-30 1982-03-30 Tuning system for a multi-band television receiver
US36356782 1982-03-30
US36357082 1982-03-30
US06/363,570 US4418428A (en) 1982-03-30 1982-03-30 Tuning system for a multi-band television receiver

Publications (4)

Publication Number Publication Date
FI830993A0 FI830993A0 (fi) 1983-03-23
FI830993L FI830993L (fi) 1983-10-01
FI75962B FI75962B (fi) 1988-04-29
FI75962C true FI75962C (fi) 1988-08-08

Family

ID=27002116

Family Applications (1)

Application Number Title Priority Date Filing Date
FI830993A FI75962C (fi) 1982-03-30 1983-03-23 Avstaemningssystem foer en flerbandig televisionsmottagare.

Country Status (8)

Country Link
KR (1) KR920002761B1 (fr)
AT (1) AT386309B (fr)
DE (1) DE3311640A1 (fr)
FI (1) FI75962C (fr)
FR (1) FR2530907B1 (fr)
GB (1) GB2117588B (fr)
HK (1) HK54389A (fr)
IT (1) IT1175304B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4598423A (en) * 1985-02-28 1986-07-01 Rca Corporation Tuning circuit for a multiband tuner
US4658437A (en) * 1985-03-01 1987-04-14 Rca Corporation Tuning voltage tracking arrangement
DE4132907A1 (de) * 1991-10-04 1993-04-08 Thomson Brandt Gmbh Filteranordnung
DE4318276A1 (de) * 1993-06-03 1994-12-08 Thomson Brandt Gmbh Fernsehtuner für terrestrischen Empfang und Satellitenempfang
DE19628186A1 (de) * 1996-07-12 1998-01-15 Philips Patentverwaltung Umschaltbares Bandfilter für Mehrband-Tuner
US6043721A (en) * 1998-02-04 2000-03-28 Motorola, Inc. Dual band amplifier
US6134452A (en) * 1998-11-23 2000-10-17 Motorola, Inc. Multiple band mixer with common local oscillator
US6298224B1 (en) * 1999-02-22 2001-10-02 Motorola, Inc. Multiple frequency band receiver
JP2002118795A (ja) * 2000-10-05 2002-04-19 Alps Electric Co Ltd テレビジョン信号受信チューナー
GB0122983D0 (en) 2001-09-25 2001-11-14 Zarlink Semiconductor Ltd Rdio fequency tuner front end and tuner

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1297171B (de) * 1967-10-28 1969-06-12 Marcus Elektronik Gmbh Abstimmeinrichtung fuer hochfrequente elektrische Schwingungen im UHF- und VHF-Bereich
US4247953A (en) * 1977-07-01 1981-01-27 Hitachi, Ltd. Tunable high-frequency input circuit
US4189678A (en) * 1977-08-18 1980-02-19 Sanyo Electric Co., Ltd. Combination VHF-UHF tuner for use in a television receiver
JPS6038063B2 (ja) * 1978-05-29 1985-08-29 株式会社日立製作所 テレビ用チュ−ナ回路
JPS6017276B2 (ja) * 1979-07-02 1985-05-01 松下電器産業株式会社 多方式テレビジョン受像機
US4408348A (en) * 1981-08-19 1983-10-04 Rca Corporation Multiband tuning system for a television receiver

Also Published As

Publication number Publication date
AT386309B (de) 1988-08-10
FI75962B (fi) 1988-04-29
KR840004640A (ko) 1984-10-22
DE3311640C2 (fr) 1990-03-22
GB2117588A (en) 1983-10-12
FR2530907B1 (fr) 1992-02-14
FI830993A0 (fi) 1983-03-23
KR920002761B1 (ko) 1992-04-02
IT8320349A0 (it) 1983-03-29
DE3311640A1 (de) 1983-10-13
GB2117588B (en) 1985-11-27
HK54389A (en) 1989-07-14
FI830993L (fi) 1983-10-01
IT1175304B (it) 1987-07-01
ATA112883A (de) 1987-12-15
FR2530907A1 (fr) 1984-01-27
GB8308098D0 (en) 1983-05-05

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Legal Events

Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: RCA LICENSING CORPORATION