ES477608A1 - Perfeccionamientos en aparatos limitadores de corriente del cinescopio para la elaboracion de una senal de video. - Google Patents

Perfeccionamientos en aparatos limitadores de corriente del cinescopio para la elaboracion de una senal de video.

Info

Publication number
ES477608A1
ES477608A1 ES477608A ES477608A ES477608A1 ES 477608 A1 ES477608 A1 ES 477608A1 ES 477608 A ES477608 A ES 477608A ES 477608 A ES477608 A ES 477608A ES 477608 A1 ES477608 A1 ES 477608A1
Authority
ES
Spain
Prior art keywords
beam current
excessive
average
sensing circuit
kinescope
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
ES477608A
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.)
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 ES477608A1 publication Critical patent/ES477608A1/es
Expired 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
    • H04N5/57—Control of contrast or brightness
    • H04N5/59—Control of contrast or brightness in dependence upon beam current of cathode ray tube

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Receiver Circuits (AREA)
  • Details Of Television Scanning (AREA)
  • Picture Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)

Abstract

Perfeccionamientos en aparatos limitadores de corriente del cinescopio para la elaboración de una señal de video, del tipo que comprende un cinescopio para reproducir una imagen en respuesta a las señales de video, que incluye medios de derivación de la señal para derivar una señal de control indicativa de las variaciones en la magnitud de la corriente del cinescopio por encima de un nivel umbral elegido, medios para utilizar la señal de control con el fin de limitar la corriente del cinescopio de acuerdo con la magnitud de la señal de control.
ES477608A 1978-02-09 1979-02-09 Perfeccionamientos en aparatos limitadores de corriente del cinescopio para la elaboracion de una senal de video. Expired ES477608A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/876,238 US4167025A (en) 1978-02-09 1978-02-09 Automatic peak beam current limiter

Publications (1)

Publication Number Publication Date
ES477608A1 true ES477608A1 (es) 1979-10-16

Family

ID=25367248

Family Applications (1)

Application Number Title Priority Date Filing Date
ES477608A Expired ES477608A1 (es) 1978-02-09 1979-02-09 Perfeccionamientos en aparatos limitadores de corriente del cinescopio para la elaboracion de una senal de video.

Country Status (24)

Country Link
US (1) US4167025A (es)
JP (1) JPS5829033B2 (es)
AT (1) AT382747B (es)
AU (1) AU530947B2 (es)
BE (1) BE873948A (es)
CA (1) CA1127291A (es)
CS (1) CS252803B2 (es)
DD (1) DD141964A5 (es)
DE (1) DE2905005C2 (es)
DK (1) DK148110C (es)
ES (1) ES477608A1 (es)
FI (1) FI67005C (es)
FR (1) FR2417225A1 (es)
GB (1) GB2014409B (es)
HK (1) HK16487A (es)
IT (1) IT1111785B (es)
MX (1) MX4381E (es)
MY (1) MY8500714A (es)
NL (1) NL7901015A (es)
NZ (1) NZ189587A (es)
PL (1) PL119550B1 (es)
SE (1) SE438765B (es)
SU (1) SU1207406A3 (es)
ZA (1) ZA79451B (es)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4253121A (en) * 1978-10-12 1981-02-24 Rca Corporation Plural sequential operating mode automatic kinescope beam current limiter
US4209808A (en) * 1979-03-26 1980-06-24 Rca Corporation Stabilized automatic brightness control network in a video signal processing system including an automatic kinescope beam current limiter
US4321513A (en) * 1980-09-08 1982-03-23 Rca Corporation Television receiver high voltage protection circuit
US4451849A (en) * 1982-06-23 1984-05-29 Rca Corporation Plural operating mode ambient light responsive television picture control
US4516152A (en) * 1983-05-23 1985-05-07 Rca Corporation Video signal processor with automatic kinescope white balance and beam current limiter control systems
US4549217A (en) * 1983-09-30 1985-10-22 Rca Corporation Automatic contrast reduction circuit for a teletext or monitor operation
US4549218A (en) * 1983-09-30 1985-10-22 Rca Corporation On-screen display
US4599643A (en) * 1983-12-29 1986-07-08 Rca Corporation Apparatus responsive to plural color video signals for amplitude limiting the video signals to assist beam current limiting
US4554578A (en) * 1984-03-02 1985-11-19 Rca Corporation Error compensated control system in a video signal processor
US4633320A (en) * 1984-03-08 1986-12-30 Rca Corporation Video signal processor with automatic kinescope beam current limiter
US4562479A (en) * 1984-04-26 1985-12-31 Rca Corporation Automatic kinescope beam current limiter
US4689668A (en) * 1986-07-14 1987-08-25 Rca Corporation Auxiliary kinescope beam current limiter with plural cascaded low pass filter and peak detector stages
US4901156A (en) * 1986-12-26 1990-02-13 Goldstart Co., Ltd. Automatic brightness limiting circuit
US5068730A (en) * 1989-04-20 1991-11-26 Thomson Consumer Electronics, Inc. Video control circuit
GB9006250D0 (en) * 1990-03-20 1990-05-16 Rca Licensing Corp Non-linear beam current limiter
US5313294A (en) * 1990-03-20 1994-05-17 Rca Thomson Licensing Corporation Beam current limiting arrangement having a peak amplitude, responsive threshold
US5847773A (en) * 1991-08-30 1998-12-08 Thomson Consumer Electronics, Inc. Video system including apparatus for deactivating an automatic control arrangement
US5200829A (en) * 1991-12-16 1993-04-06 Thomson Consumer Electronics, Inc. Contrast beam current limiting arrangement with secondary brightness beam current limiting provisions
US5177413A (en) * 1992-02-25 1993-01-05 Thomson Consumer Electronics, Inc. Arrangement for generating a beam current indicative signal
KR100214634B1 (ko) * 1996-12-21 1999-08-02 구자홍 프로젝션 티브이의 b색 감마보정 회로
US6563495B1 (en) * 1998-12-21 2003-05-13 Thomson Licensing S.A. Automatic screen saver
US6483557B1 (en) 1999-11-05 2002-11-19 Thomson Licensing Sa Emission control in a video display
US6329770B1 (en) 1999-11-05 2001-12-11 Thomson Licensing S.A. Control of emission in a video display

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1462900A1 (de) * 1966-12-09 1968-12-19 Philips Patentverwaltung Schaltungsanordnung zur Strahlstrombegrenzung einer Elektronenstrahlroehre
US3914545A (en) * 1972-08-02 1975-10-21 Zenith Radio Corp Automatic contrast control utilizing three control signals
JPS5230821Y2 (es) * 1973-02-28 1977-07-14
US3848945A (en) * 1973-03-16 1974-11-19 Warwick Electronics Inc Brightness limiting circuit
US3842201A (en) * 1973-04-09 1974-10-15 Gen Electric Beam current limiter
NL179329C (nl) * 1974-09-09 1986-08-18 Philips Nv Televisieontvanger met een bundelstroombegrenzingsschakeling.
JPS59843Y2 (ja) * 1975-10-20 1984-01-11 ソニー株式会社 テレビジユゾウキ
US4067048A (en) * 1976-08-19 1978-01-03 Rca Corporation Automatic beam current limiter
US4079424A (en) * 1977-02-07 1978-03-14 Rca Corporation Automatic transient beam current limiter

Also Published As

Publication number Publication date
CA1127291A (en) 1982-07-06
PL213321A1 (pl) 1979-12-17
JPS54116832A (en) 1979-09-11
FI67005C (fi) 1984-12-10
FI67005B (fi) 1984-08-31
BE873948A (fr) 1979-05-29
SE7900954L (sv) 1979-08-10
JPS5829033B2 (ja) 1983-06-20
GB2014409A (en) 1979-08-22
US4167025A (en) 1979-09-04
SU1207406A3 (ru) 1986-01-23
NL7901015A (nl) 1979-08-13
CS252803B2 (en) 1987-10-15
MY8500714A (en) 1985-12-31
IT1111785B (it) 1986-01-13
ZA79451B (en) 1980-08-27
FR2417225B1 (es) 1984-12-28
DE2905005C2 (de) 1982-06-09
DK52379A (da) 1979-08-10
AU530947B2 (en) 1983-08-04
IT7919866A0 (it) 1979-02-02
FR2417225A1 (fr) 1979-09-07
DD141964A5 (de) 1980-05-28
HK16487A (en) 1987-03-06
GB2014409B (en) 1982-08-25
ATA78579A (de) 1986-08-15
MX4381E (es) 1982-04-19
SE438765B (sv) 1985-04-29
DK148110B (da) 1985-03-04
CS74479A2 (en) 1987-03-12
AT382747B (de) 1987-04-10
DE2905005A1 (de) 1979-08-16
FI790353A (fi) 1979-08-10
DK148110C (da) 1985-08-05
AU4393879A (en) 1979-08-16
PL119550B1 (en) 1982-01-30
NZ189587A (en) 1982-12-07

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