BR8207591A - Circuito limitador automatico da brilhancia em receptores de televisao - Google Patents

Circuito limitador automatico da brilhancia em receptores de televisao

Info

Publication number
BR8207591A
BR8207591A BR8207591A BR8207591A BR8207591A BR 8207591 A BR8207591 A BR 8207591A BR 8207591 A BR8207591 A BR 8207591A BR 8207591 A BR8207591 A BR 8207591A BR 8207591 A BR8207591 A BR 8207591A
Authority
BR
Brazil
Prior art keywords
limiting circuit
television receivers
automatic brightness
brightness limiting
automatic
Prior art date
Application number
BR8207591A
Other languages
English (en)
Portuguese (pt)
Inventor
Hitoshi Hibi
Original Assignee
Sharp Kk
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 Sharp Kk filed Critical Sharp Kk
Publication of BR8207591A publication Critical patent/BR8207591A/pt

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)
  • Controls And Circuits For Display Device (AREA)
BR8207591A 1982-11-11 1982-12-23 Circuito limitador automatico da brilhancia em receptores de televisao BR8207591A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57198420A JPS5986974A (ja) 1982-11-11 1982-11-11 自動輝度制限回路

Publications (1)

Publication Number Publication Date
BR8207591A true BR8207591A (pt) 1984-08-07

Family

ID=16390809

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8207591A BR8207591A (pt) 1982-11-11 1982-12-23 Circuito limitador automatico da brilhancia em receptores de televisao

Country Status (10)

Country Link
US (1) US4520397A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0108851B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5986974A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR850001692B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR8207591A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1191593A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3272394D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES8404129A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
PH (1) PH20723A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SG (1) SG92287G (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6199477A (ja) * 1984-10-19 1986-05-17 Sony Corp 放電保護回路
US4654717A (en) * 1985-05-20 1987-03-31 Rca Corporation Cathode-ray tube arc-over protection for digital data in television display apparatus
BG47787A1 (en) * 1988-03-14 1990-09-14 Sofija Televizija Device for input of symbols in programme television signal
US4947253A (en) * 1989-04-18 1990-08-07 Rca Licensing Corporation Brightness modulator for closed loop compensation of black level
US4982287A (en) * 1989-11-01 1991-01-01 Rca Licensing Corporation Control of brightness level adapted to control of contrast
GB9006776D0 (en) * 1990-03-27 1990-05-23 Ferguson Ltd Television receiver with additional display of characters
US5204748A (en) * 1991-12-11 1993-04-20 Thomson Consumer Electronics, Inc. Beam current limiting arrangement for a television system with picture-in-picture provisions

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3898377A (en) * 1973-11-23 1975-08-05 Xerox Corp Video mixer
GB1554663A (en) * 1975-06-06 1979-10-24 Mitsubishi Electric Corp Apparatus for reproducing multiplex video data
DD122168A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1975-09-05 1976-09-12
US4253110A (en) * 1979-12-14 1981-02-24 Rca Corporation Automatic kinescope beam current limiter with sequential control modes
US4298886A (en) * 1979-12-12 1981-11-03 Motorola Inc. Automatic peak beam current leveler system

Also Published As

Publication number Publication date
US4520397A (en) 1985-05-28
CA1191593A (en) 1985-08-06
JPS5986974A (ja) 1984-05-19
PH20723A (en) 1987-03-30
ES521973A0 (es) 1984-04-01
ES8404129A1 (es) 1984-04-01
EP0108851A1 (en) 1984-05-23
EP0108851B1 (en) 1986-07-30
JPS6353753B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-10-25
KR850001692B1 (ko) 1985-11-22
KR840003183A (ko) 1984-08-13
DE3272394D1 (en) 1986-09-04
SG92287G (en) 1988-05-06

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Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 23/12/97