ES472785A1 - Un aparato de presentacion de television en colores - Google Patents

Un aparato de presentacion de television en colores

Info

Publication number
ES472785A1
ES472785A1 ES472785A ES472785A ES472785A1 ES 472785 A1 ES472785 A1 ES 472785A1 ES 472785 A ES472785 A ES 472785A ES 472785 A ES472785 A ES 472785A ES 472785 A1 ES472785 A1 ES 472785A1
Authority
ES
Spain
Prior art keywords
beam current
color television
correction circuit
current correction
reference level
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
ES472785A
Other languages
English (en)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES472785A1 publication Critical patent/ES472785A1/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
    • H04N9/12—Picture reproducers
    • H04N9/16—Picture reproducers using cathode ray tubes
    • H04N9/18—Picture reproducers using cathode ray tubes using separate electron beams for the primary colour signals
    • H04N9/20—Picture reproducers using cathode ray tubes using separate electron beams for the primary colour signals with more than one beam in a tube
    • 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
    • H04N5/141—Beam current control means

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)

Abstract

Un aparato de presentación de televisión en colores que incluye un circuito de control de nivel de referencia de corriente de haz que comprende un circuito de medición incluido en los circuitos de cátodo de los cañones electrónicos de un tubo de presentación en colores de cañones múltiples para medir durante un período de medición el nivel de referencia de corriente de haz que ha de ser corregido, un circuito de inserción de nivel para proporcionar durante este período de medición un nivel de referencia en una señal de video que ha de ser aplicada a cada cañón del tubo de presentación y un circuito de corrección de nivel de corriente de haz acoplado con el circuito de medición y con un electrodo de control de cada cañón del tubo de presentación para obtener sustancialmente el mismo nivel de referencia de corriente de haz en cada uno de los cañones electrónicos, caracterizado porque los cañones electrónicos del tubo de presentación están acoplados a un circuito de desplazamiento de nivel para desplazar en cada cañón electrónico sustancialmente por un mismo valor la posición mutua del nivel de referencia en la señal de vídeo y un voltaje de ajuste del cañón electrónico fuera del período de medición con relación a esa posición mutua durante el período de medición.
ES472785A 1977-08-25 1978-08-23 Un aparato de presentacion de television en colores Expired ES472785A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7709362A NL7709362A (nl) 1977-08-25 1977-08-25 Kleurentelevisieweergeefinrichting.

Publications (1)

Publication Number Publication Date
ES472785A1 true ES472785A1 (es) 1979-02-16

Family

ID=19829071

Family Applications (1)

Application Number Title Priority Date Filing Date
ES472785A Expired ES472785A1 (es) 1977-08-25 1978-08-23 Un aparato de presentacion de television en colores

Country Status (12)

Country Link
US (1) US4200882A (es)
JP (1) JPS5444435A (es)
AT (1) AT369938B (es)
AU (1) AU517647B2 (es)
CA (1) CA1114496A (es)
DE (1) DE2835545A1 (es)
ES (1) ES472785A1 (es)
FR (1) FR2401575A1 (es)
GB (1) GB2003696B (es)
IT (1) IT1115576B (es)
NL (1) NL7709362A (es)
NZ (1) NZ188216A (es)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4331982A (en) * 1980-09-25 1982-05-25 Rca Corporation Sample and hold circuit particularly for small signals
US4331981A (en) * 1980-09-25 1982-05-25 Rca Corporation Linear high gain sampling amplifier
US4340904A (en) * 1980-12-24 1982-07-20 General Electric Company Automatic gray scale tracking system for cathode ray display devices
US4442458A (en) * 1982-03-29 1984-04-10 Tektronix, Inc. CRT Video drive circuit with beam current stabilization
DE3216909C2 (de) * 1982-05-06 1984-03-29 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Verfahren zur Begrenzung des Strahlstromes in der Bildröhre eines Fernsehempfängers
US4516152A (en) * 1983-05-23 1985-05-07 Rca Corporation Video signal processor with automatic kinescope white balance and beam current limiter control systems
US5036387A (en) * 1983-07-11 1991-07-30 Kabushiki Kaisha Toshiba Color television receiver
JPS6018087A (ja) * 1983-07-11 1985-01-30 Toshiba Corp カラ−テレビジヨン受像機
US4723158A (en) * 1986-05-14 1988-02-02 Zenith Electronics Corporation Method and apparatus for performing scan line diagnostic testing in a video monitor during a last-line overscan of a normal display raster
DE3732866A1 (de) * 1987-09-30 1989-04-20 Thomson Brandt Gmbh Verfahren zur einblendung von pruefzeilen
JP3127963B2 (ja) * 1990-12-26 2001-01-29 株式会社日立製作所 陰極線管ディスプレイ
US7432671B1 (en) * 2004-09-28 2008-10-07 National Semiconductor Corporation Method and apparatus for a level-shift inverter for cathode ray tube blanking
US8606950B2 (en) * 2005-06-08 2013-12-10 Logitech Europe S.A. System and method for transparently processing multimedia data

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL164170C (nl) * 1972-02-24 1980-11-17 Philips Nv Kleurentelevisieweergeefinrichting met een bundel- stroomklemregelschakeling.
GB1432254A (en) * 1972-06-15 1976-04-14 Bang & Olufsen As Television receivers
US4064417A (en) * 1975-04-28 1977-12-20 Thomson-Csf Laboratories, Inc. System for stabilizing cathode ray tube operation

Also Published As

Publication number Publication date
JPS6221318B2 (es) 1987-05-12
AT369938B (de) 1983-02-10
IT7868950A0 (it) 1978-08-22
US4200882A (en) 1980-04-29
GB2003696B (en) 1982-03-17
JPS5444435A (en) 1979-04-07
DE2835545A1 (de) 1979-03-01
FR2401575B1 (es) 1985-04-05
NZ188216A (en) 1981-05-29
AU517647B2 (en) 1981-08-13
DE2835545C2 (es) 1987-01-08
IT1115576B (it) 1986-02-03
FR2401575A1 (fr) 1979-03-23
AU3917878A (en) 1980-02-28
GB2003696A (en) 1979-03-14
ATA610078A (de) 1982-06-15
CA1114496A (en) 1981-12-15
NL7709362A (nl) 1979-02-27

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19971201