JPS5986974A - 自動輝度制限回路 - Google Patents

自動輝度制限回路

Info

Publication number
JPS5986974A
JPS5986974A JP57198420A JP19842082A JPS5986974A JP S5986974 A JPS5986974 A JP S5986974A JP 57198420 A JP57198420 A JP 57198420A JP 19842082 A JP19842082 A JP 19842082A JP S5986974 A JPS5986974 A JP S5986974A
Authority
JP
Japan
Prior art keywords
circuit
digital signal
picture
screen
luminance
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.)
Granted
Application number
JP57198420A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6353753B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Hitoshi Hibi
均 日比
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Priority to JP57198420A priority Critical patent/JPS5986974A/ja
Priority to US06/450,475 priority patent/US4520397A/en
Priority to CA000417955A priority patent/CA1191593A/en
Priority to PH28289A priority patent/PH20723A/en
Priority to DE8282306877T priority patent/DE3272394D1/de
Priority to EP82306877A priority patent/EP0108851B1/en
Priority to BR8207591A priority patent/BR8207591A/pt
Priority to KR8205801A priority patent/KR850001692B1/ko
Priority to ES521973A priority patent/ES8404129A1/es
Publication of JPS5986974A publication Critical patent/JPS5986974A/ja
Priority to SG922/87A priority patent/SG92287G/en
Publication of JPS6353753B2 publication Critical patent/JPS6353753B2/ja
Granted 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)
  • Controls And Circuits For Display Device (AREA)
JP57198420A 1982-11-11 1982-11-11 自動輝度制限回路 Granted JPS5986974A (ja)

Priority Applications (10)

Application Number Priority Date Filing Date Title
JP57198420A JPS5986974A (ja) 1982-11-11 1982-11-11 自動輝度制限回路
US06/450,475 US4520397A (en) 1982-11-11 1982-12-16 Auto brightness limiter circuit for television
CA000417955A CA1191593A (en) 1982-11-11 1982-12-16 Auto brightness limiter circuit for television
PH28289A PH20723A (en) 1982-11-11 1982-12-16 Auto brightness limiter circuit for television
EP82306877A EP0108851B1 (en) 1982-11-11 1982-12-22 Video display apparatus having an automatic brightness limiter
DE8282306877T DE3272394D1 (en) 1982-11-11 1982-12-22 Video display apparatus having an automatic brightness limiter
BR8207591A BR8207591A (pt) 1982-11-11 1982-12-23 Circuito limitador automatico da brilhancia em receptores de televisao
KR8205801A KR850001692B1 (ko) 1982-11-11 1982-12-24 자동휘도 제한회로
ES521973A ES8404129A1 (es) 1982-11-11 1983-04-29 Perfeccionamientos en un circuito limitador automatico del brillo para television.
SG922/87A SG92287G (en) 1982-11-11 1987-10-19 Video display apparatus having an automatic brightness limiter

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 (2)

Publication Number Publication Date
JPS5986974A true JPS5986974A (ja) 1984-05-19
JPS6353753B2 JPS6353753B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-10-25

Family

ID=16390809

Family Applications (1)

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

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
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
BR8207591A (pt) 1984-08-07
SG92287G (en) 1988-05-06

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