FI811157L - Nycklat brusfilter foer televisionsmottagare - Google Patents

Nycklat brusfilter foer televisionsmottagare

Info

Publication number
FI811157L
FI811157L FI811157A FI811157A FI811157L FI 811157 L FI811157 L FI 811157L FI 811157 A FI811157 A FI 811157A FI 811157 A FI811157 A FI 811157A FI 811157 L FI811157 L FI 811157L
Authority
FI
Finland
Prior art keywords
televisionsmottagare
nycklat
brusfilter
foer
nycklat brusfilter
Prior art date
Application number
FI811157A
Other languages
English (en)
Inventor
James Hettiger
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 FI811157L publication Critical patent/FI811157L/fi

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/16—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
    • H04N5/18—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit
    • H04N5/185—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit for the black level

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
FI811157A 1980-04-21 1981-04-14 Nycklat brusfilter foer televisionsmottagare FI811157L (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/142,031 US4295161A (en) 1980-04-21 1980-04-21 Keyed noise filter in a television receiver

Publications (1)

Publication Number Publication Date
FI811157L true FI811157L (fi) 1981-10-22

Family

ID=22498287

Family Applications (1)

Application Number Title Priority Date Filing Date
FI811157A FI811157L (fi) 1980-04-21 1981-04-14 Nycklat brusfilter foer televisionsmottagare

Country Status (11)

Country Link
US (1) US4295161A (fi)
JP (1) JPS56165470A (fi)
AU (1) AU538844B2 (fi)
CA (1) CA1168353A (fi)
DE (1) DE3115553C2 (fi)
ES (1) ES501477A0 (fi)
FI (1) FI811157L (fi)
FR (1) FR2481036A1 (fi)
GB (1) GB2074417B (fi)
IT (1) IT1138747B (fi)
PL (1) PL132622B1 (fi)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59134967U (ja) * 1983-02-25 1984-09-08 ソニー株式会社 撮像装置
NL8302984A (nl) * 1983-08-26 1985-03-18 Philips Nv Beeldweergeefinrichting met een ruisdetektor.
US5208659A (en) * 1986-06-03 1993-05-04 Scientific Atlanta, Inc. Method and apparatus for independently transmitting and recapturing clock recovery burst and DC restoration signals in a MAC system
US5113439A (en) * 1989-09-28 1992-05-12 Pioneer Electronic Corporation Catv terminal and video apparatus having a noise eliminating circuit
JP2863597B2 (ja) * 1990-03-30 1999-03-03 株式会社東芝 クランプ回路
US5194827A (en) * 1991-04-10 1993-03-16 Ampex Systems Corporation Voltage controlled high frequency equalization
US5864371A (en) * 1997-05-08 1999-01-26 Sony Corporation Luminance signal generation circuit with single clamp in closed loop configuration and horizontal synchronization pulse generation
US6141064A (en) * 1997-05-08 2000-10-31 Sony Corporation Luminance signal generation circuit with single clamp in closed loop configuration
US5999221A (en) * 1997-05-08 1999-12-07 Sony Corporation Horizontal synchronization pulse generation circuit

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3544714A (en) * 1967-11-07 1970-12-01 Bell Telephone Labor Inc Synchronous video clamper with gating means to minimize noise interference
US3571508A (en) * 1968-08-27 1971-03-16 Philips Corp Blanking and black level control circuit for video signals
NL7106278A (fi) * 1970-05-16 1971-11-18
US3927255A (en) * 1974-05-01 1975-12-16 Rca Corp Black level clamping circuit for a television signal processor
US3949165A (en) * 1974-11-12 1976-04-06 General Electric Company Noise immune clamp circuit
US3976836A (en) * 1975-06-09 1976-08-24 Gte Sylvania Incorporated Automatic black level setting circuit
US4044375A (en) * 1976-08-19 1977-08-23 Rca Corporation Brightness control apparatus
US4110790A (en) * 1977-01-19 1978-08-29 Gte Sylvania Incorporated Video processing system providing gain control, aperture control, and black level control
US4197557A (en) * 1977-05-05 1980-04-08 Rca Corporation Brightness control circuit employing a closed control loop

Also Published As

Publication number Publication date
ES8206129A1 (es) 1982-06-16
FR2481036A1 (fr) 1981-10-23
AU538844B2 (en) 1984-08-30
GB2074417B (en) 1984-01-18
IT8120924A0 (it) 1981-04-03
IT1138747B (it) 1986-09-17
GB2074417A (en) 1981-10-28
PL132622B1 (en) 1985-03-30
DE3115553A1 (de) 1982-06-09
AU6951981A (en) 1981-10-29
DE3115553C2 (de) 1985-03-14
PL230780A1 (fi) 1982-01-04
ES501477A0 (es) 1982-06-16
US4295161A (en) 1981-10-13
JPS56165470A (en) 1981-12-19
CA1168353A (en) 1984-05-29

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: RCA CORPORATION