TW447217B - Apparatus for suppressing overshoots in kinescope beam current measurement pulses - Google Patents

Apparatus for suppressing overshoots in kinescope beam current measurement pulses Download PDF

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Publication number
TW447217B
TW447217B TW088119149A TW88119149A TW447217B TW 447217 B TW447217 B TW 447217B TW 088119149 A TW088119149 A TW 088119149A TW 88119149 A TW88119149 A TW 88119149A TW 447217 B TW447217 B TW 447217B
Authority
TW
Taiwan
Prior art keywords
coupled
current
circuit
load
capacitor
Prior art date
Application number
TW088119149A
Other languages
English (en)
Chinese (zh)
Inventor
Dal Frank Griepentrog
Original Assignee
Thomson Consumer Electronics
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 Thomson Consumer Electronics filed Critical Thomson Consumer Electronics
Application granted granted Critical
Publication of TW447217B publication Critical patent/TW447217B/zh

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/01Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/64Circuits for processing colour signals
    • H04N9/645Beam current control means
    • 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
    • H04N5/21Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/44Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/57Control of contrast or brightness
    • H04N5/59Control of contrast or brightness in dependence upon beam current of cathode ray tube
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/66Transforming electric information into light information
    • H04N5/68Circuit details for cathode-ray display tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Processing Of Color Television Signals (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Picture Signal Circuits (AREA)
  • Television Receiver Circuits (AREA)
TW088119149A 1998-11-12 1999-11-03 Apparatus for suppressing overshoots in kinescope beam current measurement pulses TW447217B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10827798P 1998-11-12 1998-11-12
US09/223,159 US6285401B1 (en) 1998-07-28 1998-12-30 Apparatus for suppressing overshoots in kinescope beam current measurement pulses

Publications (1)

Publication Number Publication Date
TW447217B true TW447217B (en) 2001-07-21

Family

ID=26805733

Family Applications (1)

Application Number Title Priority Date Filing Date
TW088119149A TW447217B (en) 1998-11-12 1999-11-03 Apparatus for suppressing overshoots in kinescope beam current measurement pulses

Country Status (8)

Country Link
US (1) US6285401B1 (enExample)
EP (1) EP1001621B1 (enExample)
JP (1) JP2000196973A (enExample)
KR (1) KR100629733B1 (enExample)
CN (1) CN1192638C (enExample)
DE (1) DE69935774T2 (enExample)
TR (1) TR199902778A2 (enExample)
TW (1) TW447217B (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6847404B1 (en) * 1998-09-29 2005-01-25 Thomson Licensing S.A. Video display protection circuit
JP2001326877A (ja) * 2000-05-18 2001-11-22 Mitsubishi Electric Corp ビデオプロジェクタのビーム電流制限回路
US6806908B2 (en) * 2001-08-10 2004-10-19 Koninklijke Philips Electronics N.V. Cathode current limiting circuit for projection television display systems
US6545717B1 (en) * 2001-09-26 2003-04-08 Koninklijke Philips Electronics N.V. Display system having selectable automatic CRT cutoff stabilization or AKB with CRT feedback current simulation
AU2003258262A1 (en) * 2002-08-16 2004-03-03 Thomson Licensing S.A. Simplified offset current reducing circuit for auto kine bias (akb)
KR20050057338A (ko) * 2002-09-18 2005-06-16 코닌클리케 필립스 일렉트로닉스 엔.브이. 빔 전류 측정
KR101046583B1 (ko) * 2006-11-27 2011-07-06 삼성전자주식회사 영상 처리 장치 및 그 제어방법
US8212941B2 (en) * 2008-04-30 2012-07-03 Mediatek Inc. Digitized analog TV signal processing system

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL179329C (nl) * 1974-09-09 1986-08-18 Philips Nv Televisieontvanger met een bundelstroombegrenzingsschakeling.
US4536800A (en) * 1982-11-30 1985-08-20 Rca Corporation Additive pulse sampling circuit
US4549203A (en) * 1983-12-14 1985-10-22 Rca Corporation DC Stabilization system
US4591912A (en) * 1984-10-30 1986-05-27 Rca Corporation Peaking circuit for video driver stage
GB8524197D0 (en) * 1985-10-01 1985-11-06 Rca Corp Triggering system
KR890003731B1 (ko) * 1987-06-12 1989-10-04 한국과학 기술원 에탄올 첨가에 의한 액젓 또는 어장류 및 젓갈류의 보존 방법
US5177413A (en) * 1992-02-25 1993-01-05 Thomson Consumer Electronics, Inc. Arrangement for generating a beam current indicative signal
US5488417A (en) * 1994-05-19 1996-01-30 Thomson Consumer Electronics, Inc. Automatic kinescope bias control system
US5680173A (en) * 1995-06-23 1997-10-21 Thomson Consumer Electronics, Inc. Kinescope driver apparatus
US5726540A (en) * 1995-12-22 1998-03-10 Sony Corporation Transient enhancement circuit for CRT amplifier
US5994841A (en) * 1996-10-25 1999-11-30 Welch Allyn, Inc. Circuit for biasing display device by compensating for a varying leakage current

Also Published As

Publication number Publication date
DE69935774T2 (de) 2007-10-18
EP1001621B1 (en) 2007-04-11
CN1257380A (zh) 2000-06-21
KR20000035401A (ko) 2000-06-26
TR199902778A2 (xx) 2000-06-21
JP2000196973A (ja) 2000-07-14
US6285401B1 (en) 2001-09-04
EP1001621A3 (en) 2003-09-17
CN1192638C (zh) 2005-03-09
DE69935774D1 (de) 2007-05-24
KR100629733B1 (ko) 2006-09-29
EP1001621A2 (en) 2000-05-17

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Legal Events

Date Code Title Description
GD4A Issue of patent certificate for granted invention patent
MM4A Annulment or lapse of patent due to non-payment of fees