ES8608754A1 - Perfeccionamientos introducidos en una instalacion de trata-miento de senal de video - Google Patents

Perfeccionamientos introducidos en una instalacion de trata-miento de senal de video

Info

Publication number
ES8608754A1
ES8608754A1 ES541351A ES541351A ES8608754A1 ES 8608754 A1 ES8608754 A1 ES 8608754A1 ES 541351 A ES541351 A ES 541351A ES 541351 A ES541351 A ES 541351A ES 8608754 A1 ES8608754 A1 ES 8608754A1
Authority
ES
Spain
Prior art keywords
input
saturating
amplifier
video output
current
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
Application number
ES541351A
Other languages
English (en)
Other versions
ES541351A0 (es
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 ES8608754A1 publication Critical patent/ES8608754A1/es
Publication of ES541351A0 publication Critical patent/ES541351A0/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/68—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/648—Video amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G11/00—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general
    • H03G11/02—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general by means of diodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Picture Signal Circuits (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Processing Of Color Television Signals (AREA)

Abstract

DISPOSITIVO AMPLIFICADOR DE SALIDA DE VIDEO MODIFICADO PARA UN RECEPTOR DE TELEVISION DE COLOR. CONSTA DE UNIDADES DE TRATAMIENTO DE SEÑAL DE SALIDA DE VIDEO (14A, 14B, 14C) QUE INCLUYEN: UN PASO EXCITADOR CON UN TRANSISTOR (20) AMPLIFICADOR DE EMISOR COMUN DE SALIDA; UNA RESISTENCIA (25) DE REALIMENTACION DEGENERATIVA DE CORRIENTE CONTINUA PARA (20, 22); UN CIRCUITO DE ACOPLAMIENTO DE SEÑAL DE ENTRADA PARA EL TRANSISTOR (20) COMPUESTO POR UNA RESISTENCIA AJUSTABLE (30) ACOPLADA A UNA FUENTE DE POTENCIAL NEGATIVO (CV1) DE FUNCIONAMIENTO A TRAVES DE RESISTENCIAN (31, 32) DE POLARIZACION Y UN DIODO (40) LIMITADOR DE CORRIENTE DE CONDUCCION ACOPLADO A UNA FUENTE DE POLARIZACION POSITIVA (35) A TRAVES DE LA RESISTENCIA (36).
ES541351A 1984-03-26 1985-03-18 Perfeccionamientos introducidos en una instalacion de trata-miento de senal de video Expired ES8608754A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/593,094 US4639785A (en) 1984-03-26 1984-03-26 Non-saturating video output amplifier

Publications (2)

Publication Number Publication Date
ES8608754A1 true ES8608754A1 (es) 1986-06-16
ES541351A0 ES541351A0 (es) 1986-06-16

Family

ID=24373355

Family Applications (1)

Application Number Title Priority Date Filing Date
ES541351A Expired ES8608754A1 (es) 1984-03-26 1985-03-18 Perfeccionamientos introducidos en una instalacion de trata-miento de senal de video

Country Status (13)

Country Link
US (1) US4639785A (es)
JP (1) JPS60219871A (es)
KR (1) KR930002122B1 (es)
AT (1) AT400088B (es)
AU (1) AU584320B2 (es)
CA (1) CA1219349A (es)
DE (1) DE3510798A1 (es)
ES (1) ES8608754A1 (es)
FR (1) FR2561846B1 (es)
GB (1) GB2156637B (es)
HK (1) HK24393A (es)
IT (1) IT1183423B (es)
PT (1) PT80090B (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4704631A (en) * 1986-02-19 1987-11-03 Rca Corporation Display driver amplifier with anti-saturation circuit
US4769714A (en) * 1986-10-24 1988-09-06 Rca Licensing Corporation Noise and arc suppression filter for a display driver stage
US4894725A (en) * 1988-03-15 1990-01-16 Rca Licensing Corporation Biasing clamp for a CRT
US5093728A (en) * 1990-08-02 1992-03-03 Thomson Consumer Electronics, Inc. Beam scan velocity modulation apparatus
US5196941A (en) * 1990-08-02 1993-03-23 Rca Licensing Corporation Beam scan velocity modulation apparatus
DE19625071A1 (de) * 1996-06-22 1998-01-08 Thomson Brandt Gmbh Schaltung zur Steuerung der Bildröhre in einem Fernsehempfänger
DE19744902A1 (de) * 1996-11-26 1998-05-28 Thomson Brandt Gmbh Schaltung zur Steuerung der Bildröhre in einem Fernsehempfänger
US6424324B1 (en) 1997-12-12 2002-07-23 Thomson Licensing S.A. Display driver apparatus
JP4031908B2 (ja) * 1997-12-12 2008-01-09 トムソン ライセンシング 表示器駆動装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB534457A (en) * 1939-06-08 1941-03-07 Philco Radio & Television Corp Improvements in and relating to detector coupling circuits
US2632049A (en) * 1949-06-18 1953-03-17 Zenith Radio Corp Signal slicing circuits
US2829197A (en) * 1951-02-16 1958-04-01 Avco Mfg Corp Noise limiter for television receiver
DE1927229B2 (de) * 1969-05-29 1975-01-16 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schutzschaltung fuer einen Video-Endtransistor in einem Fernsehempfaenger
DE2107554B1 (de) * 1971-02-17 1972-06-08 Fernseh Gmbh Verfahren und Schaltungsanordnung zur Verstärkung von Fernsehsignalen
US3735029A (en) * 1971-04-09 1973-05-22 D Sunstein Method and apparatus for maintaining the beam current of an image-display device within controlled limits
GB1388544A (en) * 1971-04-27 1975-03-26 Rca Corp Video output amplifier
US3732356A (en) * 1971-06-02 1973-05-08 Warwick Electronics Inc Color amplifier
JPS4870426A (es) * 1971-12-23 1973-09-25
GB1582138A (en) * 1976-07-19 1980-12-31 Rca Corp Video amplifier circuit
US4126816A (en) * 1977-05-13 1978-11-21 Rca Corporation High voltage protection circuit
US4197558A (en) * 1978-02-16 1980-04-08 Rca Corporation Overload protection circuit for video amplifiers
US4463385A (en) * 1982-07-01 1984-07-31 Rca Corporation Kinescope black level current sensing apparatus
US4414577A (en) * 1982-07-15 1983-11-08 Rca Corporation Manually gain presettable kinescope driver in an automatic kinescope bias control system
US4577234A (en) * 1983-10-31 1986-03-18 Rca Corporation Driver amplifier for an image display device

Also Published As

Publication number Publication date
ATA89885A (de) 1995-01-15
IT1183423B (it) 1987-10-22
HK24393A (en) 1993-03-26
GB2156637A (en) 1985-10-09
JPH0513424B2 (es) 1993-02-22
AU584320B2 (en) 1989-05-25
GB2156637B (en) 1987-09-03
AU3908285A (en) 1985-10-03
KR930002122B1 (ko) 1993-03-26
IT8519643A0 (it) 1985-02-26
AT400088B (de) 1995-09-25
DE3510798C2 (es) 1989-06-22
ES541351A0 (es) 1986-06-16
FR2561846B1 (fr) 1991-03-22
JPS60219871A (ja) 1985-11-02
CA1219349A (en) 1987-03-17
FR2561846A1 (fr) 1985-09-27
PT80090B (pt) 1987-05-29
US4639785A (en) 1987-01-27
PT80090A (en) 1985-04-01
KR850006824A (ko) 1985-10-16
GB8507276D0 (en) 1985-04-24
DE3510798A1 (de) 1985-09-26

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20041220