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FR2578122B1 - Filtre perfectionne d'entree de signaux de television - Google Patents

Filtre perfectionne d'entree de signaux de television

Info

Publication number
FR2578122B1
FR2578122B1 FR868602727A FR8602727A FR2578122B1 FR 2578122 B1 FR2578122 B1 FR 2578122B1 FR 868602727 A FR868602727 A FR 868602727A FR 8602727 A FR8602727 A FR 8602727A FR 2578122 B1 FR2578122 B1 FR 2578122B1
Authority
FR
France
Prior art keywords
signal input
television signal
improved filter
filter
improved
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
FR868602727A
Other languages
English (en)
Other versions
FR2578122A1 (fr
Inventor
Dursun Sakarya
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Corp
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 FR2578122A1 publication Critical patent/FR2578122A1/fr
Application granted granted Critical
Publication of FR2578122B1 publication Critical patent/FR2578122B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
  • Noise Elimination (AREA)
  • Superheterodyne Receivers (AREA)
FR868602727A 1985-02-28 1986-02-27 Filtre perfectionne d'entree de signaux de television Expired - Fee Related FR2578122B1 (fr)

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 (2)

Publication Number Publication Date
FR2578122A1 FR2578122A1 (fr) 1986-08-29
FR2578122B1 true FR2578122B1 (fr) 1992-04-10

Family

ID=24833722

Family Applications (1)

Application Number Title Priority Date Filing Date
FR868602727A Expired - Fee Related FR2578122B1 (fr) 1985-02-28 1986-02-27 Filtre perfectionne d'entree de signaux de television

Country Status (9)

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

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
US4397037A (en) * 1981-08-19 1983-08-02 Rca Corporation Diplexer for television tuning systems
US4408348A (en) * 1981-08-19 1983-10-04 Rca Corporation Multiband tuning system for a television receiver

Also Published As

Publication number Publication date
DE3606660C2 (fr) 1992-04-30
GB2171871B (en) 1988-12-29
DE3606660A1 (de) 1986-08-28
SG45291G (en) 1991-07-26
US4642691A (en) 1987-02-10
JP2562873B2 (ja) 1996-12-11
CA1240791A (fr) 1988-08-16
KR860006891A (ko) 1986-09-15
KR930010171B1 (ko) 1993-10-15
FR2578122A1 (fr) 1986-08-29
JPS61202507A (ja) 1986-09-08
GB8604015D0 (en) 1986-03-26
HK115193A (en) 1993-11-05
GB2171871A (en) 1986-09-03

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse