JPH0346632Y2 - - Google Patents

Info

Publication number
JPH0346632Y2
JPH0346632Y2 JP1985047696U JP4769685U JPH0346632Y2 JP H0346632 Y2 JPH0346632 Y2 JP H0346632Y2 JP 1985047696 U JP1985047696 U JP 1985047696U JP 4769685 U JP4769685 U JP 4769685U JP H0346632 Y2 JPH0346632 Y2 JP H0346632Y2
Authority
JP
Japan
Prior art keywords
pedestal
level
circuit
video signal
gamma correction
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
JP1985047696U
Other languages
English (en)
Japanese (ja)
Other versions
JPS61163492U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
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 filed Critical
Priority to JP1985047696U priority Critical patent/JPH0346632Y2/ja
Priority to US06/839,566 priority patent/US4701786A/en
Publication of JPS61163492U publication Critical patent/JPS61163492U/ja
Application granted granted Critical
Publication of JPH0346632Y2 publication Critical patent/JPH0346632Y2/ja
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
    • H04N9/69—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits for modifying the colour signals by gamma correction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
JP1985047696U 1985-03-30 1985-03-30 Expired JPH0346632Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1985047696U JPH0346632Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1985-03-30 1985-03-30
US06/839,566 US4701786A (en) 1985-03-30 1986-03-14 Pedestal control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985047696U JPH0346632Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1985-03-30 1985-03-30

Publications (2)

Publication Number Publication Date
JPS61163492U JPS61163492U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1986-10-09
JPH0346632Y2 true JPH0346632Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-10-02

Family

ID=12782443

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985047696U Expired JPH0346632Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1985-03-30 1985-03-30

Country Status (2)

Country Link
US (1) US4701786A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPH0346632Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3620990C2 (de) * 1986-06-23 1995-04-13 Broadcast Television Syst Verfahren und Schaltungsanordnung zur nichtlinearen Übertragung eines Videosignals
KR920001012B1 (ko) * 1987-07-07 1992-02-01 니뽄 덴끼 가부시끼가이샤 비데오신호 처리회로
US5302946A (en) * 1988-07-21 1994-04-12 Leonid Shapiro Stacked display panel construction and method of making same
US5298892A (en) * 1988-07-21 1994-03-29 Proxima Corporation Stacked display panel construction and method of making same
JPH0771290B2 (ja) * 1989-12-27 1995-07-31 富士写真光機株式会社 信号処理回路
US5296929A (en) * 1990-10-31 1994-03-22 Matsushita Electric Industrial Co., Ltd. Automatic correction apparatus for video signal of digital VTR
SG44027A1 (en) * 1992-03-31 1997-11-14 Minnesota Mining & Mfg Color caliberation for lcd panel
US5410365A (en) * 1992-04-02 1995-04-25 Sony Corporation Video camera with coarse analog and fine digital black level adjustment
JP3332737B2 (ja) * 1996-01-31 2002-10-07 キヤノン株式会社 信号処理回路及び液晶表示装置
JP2001022331A (ja) * 1999-07-05 2001-01-26 Alps Electric Co Ltd 画像表示装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1131264B (de) * 1959-06-20 1962-06-14 Fernseh Gmbh Fernsehverstaerker mit nichtlinearer Amplitudencharakteristik
US3651248A (en) * 1969-01-11 1972-03-21 Fernseh Gmbh Black level clamping by color signal difference gated to storage during beam blocking
GB1435696A (en) * 1972-09-01 1976-05-12 Kodak Ltd Amplifier circuits
JPS5521495B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-08-07 1980-06-10
US4038685A (en) * 1975-03-31 1977-07-26 Rca Corporation Apparatus for automatic gamma control of television color signals
JPS5427720A (en) * 1977-08-03 1979-03-02 Nec Corp Process amplifier of color pickup unit
NL7808609A (nl) * 1978-08-21 1980-02-25 Philips Nv Gammacorrectieschakeling voor een videosignaal.
JPS5820092A (ja) * 1981-07-29 1983-02-05 Toshiba Corp カラ−テレビジヨンカメラの自動調整方式
JPS5883488A (ja) * 1981-11-13 1983-05-19 Hitachi Ltd ビデオカメラの信号処理回路
JPH1076A (ja) * 1996-06-14 1998-01-06 Kagome Co Ltd 野菜汁の製造方法

Also Published As

Publication number Publication date
JPS61163492U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1986-10-09
US4701786A (en) 1987-10-20

Similar Documents

Publication Publication Date Title
US4473839A (en) Signal processing circuit for video camera
JPH0346632Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH03201691A (ja) 信号処理回路
US4814861A (en) Signal processing apparatus with independent gain control for chrominance and color signals
US4608595A (en) White balance correction for negative-to-positive conversion
US4686562A (en) Gamma correction circuit
US3872499A (en) Television picture correction
JPS60206292A (ja) ビデオ信号処理装置
US4731652A (en) Shading correction signal generating device for a television camera apparatus
US4717953A (en) Brightness control circuit for a television receiver
JPS6212717B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
US4376288A (en) Signal gain control with DC compensation
JPH0369237B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP2515274B2 (ja) カラ−テレビの受像管における白値および灰色値を調整しかつ電子ビ−ムのビ−ム電流を制限するための回路装置
US4346400A (en) Matrix circuits
JP2724765B2 (ja) ネガ画像信号の処理回路
CA1094214A (en) Negative gamma circuit
JPH0446485A (ja) 逆ｒ補正回路
KR100211462B1 (ko) 텔레비젼 수상기의 화이트밸런스 조정장치
SU1403009A1 (ru) Устройство дл цветокоррекции изображений
JP2605905B2 (ja) 信号補正装置
JPS61277288A (ja) 投射型テレビジヨン受像装置
JPS6213191A (ja) 撮像装置
JPH0531879B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB2128444A (en) Automatic bias control system for an image reproducing device