HK115193A - Improved television signal input filter - Google Patents

Improved television signal input filter

Info

Publication number
HK115193A
HK115193A HK1151/93A HK115193A HK115193A HK 115193 A HK115193 A HK 115193A HK 1151/93 A HK1151/93 A HK 1151/93A HK 115193 A HK115193 A HK 115193A HK 115193 A HK115193 A HK 115193A
Authority
HK
Hong Kong
Prior art keywords
signal input
television signal
input filter
improved television
improved
Prior art date
Application number
HK1151/93A
Other languages
English (en)
Inventor
Dursun Sakarya
Original Assignee
Rca Thomson Licensing 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 Thomson Licensing Corp filed Critical Rca Thomson Licensing Corp
Publication of HK115193A publication Critical patent/HK115193A/xx

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1758—Series LC in shunt or branch path
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H5/00—One-port networks comprising only passive electrical elements as network components
    • H03H5/02—One-port networks comprising only passive electrical elements as network components without voltage- or current-dependent elements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/0115—Frequency selective two-port networks comprising only inductors and capacitors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Filters And Equalizers (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Superheterodyne Receivers (AREA)
  • Noise Elimination (AREA)
HK1151/93A 1985-02-28 1993-10-28 Improved television signal input filter HK115193A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/705,494 US4642691A (en) 1985-02-28 1985-02-28 Television signal input filter

Publications (1)

Publication Number Publication Date
HK115193A true HK115193A (en) 1993-11-05

Family

ID=24833722

Family Applications (1)

Application Number Title Priority Date Filing Date
HK1151/93A HK115193A (en) 1985-02-28 1993-10-28 Improved television signal input filter

Country Status (9)

Country Link
US (1) US4642691A (xx)
JP (1) JP2562873B2 (xx)
KR (1) KR930010171B1 (xx)
CA (1) CA1240791A (xx)
DE (1) DE3606660A1 (xx)
FR (1) FR2578122B1 (xx)
GB (1) GB2171871B (xx)
HK (1) HK115193A (xx)
SG (1) SG45291G (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4956710A (en) * 1989-04-14 1990-09-11 Rca Licensing Corporation Television receiver tuner high pass input filter with CB trap
US5198903A (en) * 1990-04-12 1993-03-30 Gemini Industries Inc. Television frequency converter with automatic gain control and output terminal isolation
JPH04252679A (ja) * 1991-01-29 1992-09-08 Matsushita Electric Ind Co Ltd テレビジョン受像機
JPH0583149A (ja) * 1991-09-20 1993-04-02 Pioneer Electron Corp トラツプ回路
JP3599951B2 (ja) * 1997-05-12 2004-12-08 アルプス電気株式会社 テレビジョンチュ−ナ

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB516252A (en) * 1938-07-19 1939-12-28 Gen Electric Co Ltd Improvements in television and like receivers
US3217096A (en) * 1961-06-02 1965-11-09 Motorola Inc Signal coupling and trap network
US3204025A (en) * 1961-10-27 1965-08-31 Zenith Radio Corp Television receiver with adjacent sound trap control
DE1909244A1 (de) * 1969-02-25 1970-08-27 Blaupunkt Werke Gmbh Schaltungsanordnung fuer einen Fernsehempfaenger mit umschaltbarem Empfaenger-Eingangsfilter
US3852670A (en) 1973-10-29 1974-12-03 Zenith Radio Corp Tuner with integral input filter
US4263619A (en) * 1979-04-20 1981-04-21 Rca Corporation Double trapping of adjacent channel sound
US4408348A (en) * 1981-08-19 1983-10-04 Rca Corporation Multiband tuning system for a television receiver
US4397037A (en) * 1981-08-19 1983-08-02 Rca Corporation Diplexer for television tuning systems

Also Published As

Publication number Publication date
FR2578122A1 (fr) 1986-08-29
JP2562873B2 (ja) 1996-12-11
SG45291G (en) 1991-07-26
FR2578122B1 (fr) 1992-04-10
DE3606660A1 (de) 1986-08-28
US4642691A (en) 1987-02-10
GB2171871B (en) 1988-12-29
DE3606660C2 (xx) 1992-04-30
CA1240791A (en) 1988-08-16
KR860006891A (ko) 1986-09-15
KR930010171B1 (ko) 1993-10-15
GB2171871A (en) 1986-09-03
JPS61202507A (ja) 1986-09-08
GB8604015D0 (en) 1986-03-26

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Legal Events

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

Effective date: 20040218

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