JPH0511704B2 - - Google Patents

Info

Publication number
JPH0511704B2
JPH0511704B2 JP61047501A JP4750186A JPH0511704B2 JP H0511704 B2 JPH0511704 B2 JP H0511704B2 JP 61047501 A JP61047501 A JP 61047501A JP 4750186 A JP4750186 A JP 4750186A JP H0511704 B2 JPH0511704 B2 JP H0511704B2
Authority
JP
Japan
Prior art keywords
circuit
current
input terminal
emitter
image display
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 - Fee Related
Application number
JP61047501A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61206372A (ja
Inventor
Heritsuto Buranken Pieteru
Fuan Deru Zee Pieteru
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
Koninklijke Philips Electronics 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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of JPS61206372A publication Critical patent/JPS61206372A/ja
Publication of JPH0511704B2 publication Critical patent/JPH0511704B2/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
    • 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
    • H04N5/16—Circuitry for reinsertion of DC and slowly varying components of signal; Circuitry for preservation of black or white level
    • H04N5/165—Circuitry for reinsertion of DC and slowly varying components of signal; Circuitry for preservation of black or white level to maintain the black level constant

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Television Receiver Circuits (AREA)
  • Amplifiers (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
JP61047501A 1985-03-06 1986-03-06 画像表示装置 Granted JPS61206372A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL8500622 1985-03-06
NL8500622A NL8500622A (nl) 1985-03-06 1985-03-06 Beeldweergeefinrichting.
NL8502636 1985-09-27

Publications (2)

Publication Number Publication Date
JPS61206372A JPS61206372A (ja) 1986-09-12
JPH0511704B2 true JPH0511704B2 (cs) 1993-02-16

Family

ID=19845632

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61047501A Granted JPS61206372A (ja) 1985-03-06 1986-03-06 画像表示装置

Country Status (2)

Country Link
JP (1) JPS61206372A (cs)
NL (1) NL8500622A (cs)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4878026U (cs) * 1971-12-24 1973-09-26
JPS5553978A (en) * 1978-10-17 1980-04-19 Sony Corp Automatic luminance adjusting device for television picture receiver
FR2461418A1 (fr) * 1979-07-09 1981-01-30 Videocolor Procede d'elaboration et de correction automatiques de la tension de blocage d'un canon a electrons et dispositif pour la mise en oeuvre de ce procede
JPS5976169U (ja) * 1982-11-12 1984-05-23 三菱電機株式会社 映像増幅回路

Also Published As

Publication number Publication date
NL8500622A (nl) 1986-10-01
JPS61206372A (ja) 1986-09-12

Similar Documents

Publication Publication Date Title
US4437023A (en) Current mirror source circuitry
US4445054A (en) Full-wave rectifying circuit
US5224112A (en) Semiconductor laser device driving circuit
KR900008520B1 (ko) Btl증폭회로
US4426625A (en) Circuit for linearly gain controlling a differential amplifier
JPH0511703B2 (cs)
US6957278B1 (en) Reference -switch hysteresis for comparator applications
EP0196695B1 (en) Picture display device
KR830002170B1 (ko) 자동 휘도 제어회로
JP3162732B2 (ja) 増幅回路
JPH0511704B2 (cs)
JP2896029B2 (ja) 電圧電流変換回路
JP4132157B2 (ja) 入力電流補償装置を含む増幅回路
US4513245A (en) DC current detector
EP0273123A2 (en) Improved operational amplifier utilizing JFET followers
US3467908A (en) Input current compensation with temperature for differential transistor amplifier
US5014019A (en) Amplifier circuit operable at low power source voltage
JP2580941Y2 (ja) 差動増幅器
JPH0127602B2 (cs)
EP0487037B1 (en) Holding circuit
KR930004712Y1 (ko) 홀드전압유지회로
KR830001146B1 (ko) 신호 변환회로
JPH0139014Y2 (cs)
JPS6234283B2 (cs)
KR830001932B1 (ko) 증폭회로

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees