SE430012B - Televisionsbildatergivningsanordning - Google Patents

Televisionsbildatergivningsanordning

Info

Publication number
SE430012B
SE430012B SE7900524A SE7900524A SE430012B SE 430012 B SE430012 B SE 430012B SE 7900524 A SE7900524 A SE 7900524A SE 7900524 A SE7900524 A SE 7900524A SE 430012 B SE430012 B SE 430012B
Authority
SE
Sweden
Prior art keywords
current
circuit
blacker
emitter follower
black
Prior art date
Application number
SE7900524A
Other languages
English (en)
Swedish (sv)
Other versions
SE7900524L (sv
Inventor
P J M Hovens
M Tryzna
W Smeulers
W H Amsen
Original Assignee
Philips 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 Philips Nv filed Critical Philips Nv
Publication of SE7900524L publication Critical patent/SE7900524L/
Publication of SE430012B publication Critical patent/SE430012B/sv

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/64Circuits for processing colour signals
    • H04N9/72Circuits for processing colour signals for reinsertion of DC and slowly varying components of colour signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • H04N5/16Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
    • H04N5/165Circuitry 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)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Processing Of Color Television Signals (AREA)
SE7900524A 1978-01-25 1979-01-22 Televisionsbildatergivningsanordning SE430012B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7800870,A NL184657C (nl) 1978-01-25 1978-01-25 Televisiebeeldweergeefinrichting.

Publications (2)

Publication Number Publication Date
SE7900524L SE7900524L (sv) 1979-07-26
SE430012B true SE430012B (sv) 1983-10-10

Family

ID=19830223

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7900524A SE430012B (sv) 1978-01-25 1979-01-22 Televisionsbildatergivningsanordning

Country Status (16)

Country Link
US (1) US4224640A (ja)
JP (1) JPS54111221A (ja)
AU (1) AU528435B2 (ja)
BE (1) BE873633A (ja)
BR (1) BR7900400A (ja)
CA (1) CA1135837A (ja)
DE (1) DE2902366C2 (ja)
DK (1) DK146309C (ja)
ES (1) ES477072A1 (ja)
FR (1) FR2415931A1 (ja)
GB (1) GB2014408B (ja)
IT (1) IT1117582B (ja)
MX (1) MX147217A (ja)
NL (1) NL184657C (ja)
NZ (1) NZ189428A (ja)
SE (1) SE430012B (ja)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4331981A (en) * 1980-09-25 1982-05-25 Rca Corporation Linear high gain sampling amplifier
US4331982A (en) * 1980-09-25 1982-05-25 Rca Corporation Sample and hold circuit particularly for small signals
US4442458A (en) * 1982-03-29 1984-04-10 Tektronix, Inc. CRT Video drive circuit with beam current stabilization
US4463385A (en) * 1982-07-01 1984-07-31 Rca Corporation Kinescope black level current sensing apparatus
US4523233A (en) * 1982-11-12 1985-06-11 Rca Corporation Automatic bias control system with compensated sense point
US4516152A (en) * 1983-05-23 1985-05-07 Rca Corporation Video signal processor with automatic kinescope white balance and beam current limiter control systems
US4703345A (en) * 1983-12-20 1987-10-27 Sony Corporation Current control apparatus in which the beam current for all three colors is controlled according to average and peak values
NL8502637A (nl) * 1985-03-06 1986-10-01 Philips Nv Beeldweergeefinrichting.
NL8502636A (nl) * 1985-03-06 1986-10-01 Philips Nv Beeldweergeefinrichting.
US4730210A (en) * 1985-08-14 1988-03-08 Zenith Electronics Corporation Wideband analog RGB video processor with negative feedback capability and black level control
FR2674705A1 (fr) * 1991-03-29 1992-10-02 Philips Electro Grand Public Dispositif amplificateur video.
US5278476A (en) * 1991-11-13 1994-01-11 U.S. Philips Corporation Display device including a black level setting circuit
JPH0614272B2 (ja) * 1992-04-28 1994-02-23 インターナショナル・ビジネス・マシーンズ・コーポレイション 表示システム
WO1997029588A2 (en) * 1996-02-07 1997-08-14 Philips Electronics N.V. Beam current measurement in a video output stage
US5994841A (en) * 1996-10-25 1999-11-30 Welch Allyn, Inc. Circuit for biasing display device by compensating for a varying leakage current
US5892544A (en) * 1997-09-15 1999-04-06 Sony Electronics, Inc. Beam current detection and control system for a cathode ray tube
US6226037B1 (en) * 1998-07-28 2001-05-01 Thomson Licensing S.A. AKB interface circuit for kine driver IC

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3598913A (en) * 1968-12-18 1971-08-10 Philips Corp Television receiver
NL6903362A (ja) * 1969-03-05 1970-09-08
NL164170C (nl) * 1972-02-24 1980-11-17 Philips Nv Kleurentelevisieweergeefinrichting met een bundel- stroomklemregelschakeling.
NL179329C (nl) * 1974-09-09 1986-08-18 Philips Nv Televisieontvanger met een bundelstroombegrenzingsschakeling.
US4012775A (en) * 1975-04-28 1977-03-15 Thomson Csf Laboratories, Inc. System for stabilizing cathode ray tube operation
US4067048A (en) * 1976-08-19 1978-01-03 Rca Corporation Automatic beam current limiter

Also Published As

Publication number Publication date
FR2415931A1 (fr) 1979-08-24
NL7800870A (nl) 1979-07-27
JPH025352B2 (ja) 1990-02-01
DK26479A (da) 1979-07-26
IT1117582B (it) 1986-02-17
AU4359079A (en) 1979-08-02
JPS54111221A (en) 1979-08-31
NL184657B (nl) 1989-04-17
DK146309B (da) 1983-08-29
FR2415931B1 (ja) 1984-07-13
DE2902366A1 (de) 1979-07-26
NZ189428A (en) 1982-02-23
GB2014408A (en) 1979-08-22
DK146309C (da) 1984-02-06
BR7900400A (pt) 1979-08-21
SE7900524L (sv) 1979-07-26
DE2902366C2 (de) 1985-01-17
IT7967137A0 (it) 1979-01-22
US4224640A (en) 1980-09-23
MX147217A (es) 1982-10-25
CA1135837A (en) 1982-11-16
BE873633A (fr) 1979-07-23
NL184657C (nl) 1989-09-18
GB2014408B (en) 1982-04-15
AU528435B2 (en) 1983-04-28
ES477072A1 (es) 1979-07-16

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