HK54389A - Tuning system for a plural-band radio frequency receiver - Google Patents

Tuning system for a plural-band radio frequency receiver Download PDF

Info

Publication number
HK54389A
HK54389A HK543/89A HK54389A HK54389A HK 54389 A HK54389 A HK 54389A HK 543/89 A HK543/89 A HK 543/89A HK 54389 A HK54389 A HK 54389A HK 54389 A HK54389 A HK 54389A
Authority
HK
Hong Kong
Prior art keywords
uhf
filter
tuning system
radio frequency
vhf
Prior art date
Application number
HK543/89A
Other languages
English (en)
Inventor
Ward Muterspaugh Max
Michael Evans Robert
Original Assignee
Rca Licensing Corporation
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 US06/363,570 external-priority patent/US4418428A/en
Priority claimed from US06/363,567 external-priority patent/US4418427A/en
Application filed by Rca Licensing Corporation filed Critical Rca Licensing Corporation
Publication of HK54389A publication Critical patent/HK54389A/xx

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)
HK543/89A 1982-03-30 1989-07-06 Tuning system for a plural-band radio frequency receiver HK54389A (en)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
HK54389A true HK54389A (en) 1989-07-14

Family

ID=27002116

Family Applications (1)

Application Number Title Priority Date Filing Date
HK543/89A HK54389A (en) 1982-03-30 1989-07-06 Tuning system for a plural-band radio frequency receiver

Country Status (8)

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

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
ATA112883A (de) 1987-12-15
KR840004640A (ko) 1984-10-22
IT8320349A0 (it) 1983-03-29
FI830993L (fi) 1983-10-01
GB8308098D0 (en) 1983-05-05
DE3311640C2 (enrdf_load_stackoverflow) 1990-03-22
AT386309B (de) 1988-08-10
FI75962B (fi) 1988-04-29
GB2117588B (en) 1985-11-27
DE3311640A1 (de) 1983-10-13
FI75962C (fi) 1988-08-08
GB2117588A (en) 1983-10-12
FR2530907A1 (fr) 1984-01-27
IT1175304B (it) 1987-07-01
KR920002761B1 (ko) 1992-04-02
FI830993A0 (fi) 1983-03-23
FR2530907B1 (fr) 1992-02-14

Similar Documents

Publication Publication Date Title
SE8204674D0 (sv) Avstemningsanordning for en televisionsmottagare
EP0072698A3 (en) Diplexer useful especially for television tuning systems
NO165270B (no) Fremgangsmaate til avstemning av svingekretsene i et informasjons-mottagningsapparat.
HK54389A (en) Tuning system for a plural-band radio frequency receiver
US5054117A (en) Tunable UHF filter for switchable VHF/UHF receiver
US3800223A (en) Audience survey system
EP0145076A3 (en) Television receiver input circuit
NL190216C (nl) Televisieontvangerschakeling voor tussenfrequente televisiesignalen, voorzien van een automatisch fijnafstemsysteem.
JPS6460115A (en) Rds radio receiver
US3505620A (en) Presettable television channel tuner using variable capacitor and variable capacitance diodes
GB1429965A (en) Broadcast receiver including an automatic frequency control circuit
HK55093A (en) Signal-seeking tuning system with a searching mode activated by the user's operation of a manual band switch
JPS5684074A (en) Antenna mixer
JPS5526731A (en) Television tuner
JPS5643880A (en) Television receiver
GB2266206B (en) Pager
GB1160684A (en) Improvements in or relating to Devices for Automatically Tuning Electric Signal Receivers
JPS5413244A (en) Filter circuit
JPS5678239A (en) Tuner
KR900003407Y1 (ko) 3밴드 튜너회로
JPS57194682A (en) Multisystem television receiver
JPS57123773A (en) Small-sized television set
JPS5330809A (en) Tuning circuit for vhf television receiver set
JPS5762638A (en) Wide band receiving tuner
CA865293A (en) Vhf/uhf tuning mechanism for a television receiver

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)