DE69524995T2 - Schaltung zur Modulation der Abtastgeschwindigkeit - Google Patents

Schaltung zur Modulation der Abtastgeschwindigkeit

Info

Publication number
DE69524995T2
DE69524995T2 DE69524995T DE69524995T DE69524995T2 DE 69524995 T2 DE69524995 T2 DE 69524995T2 DE 69524995 T DE69524995 T DE 69524995T DE 69524995 T DE69524995 T DE 69524995T DE 69524995 T2 DE69524995 T2 DE 69524995T2
Authority
DE
Germany
Prior art keywords
modulating
circuit
scanning speed
scanning
speed
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
DE69524995T
Other languages
English (en)
Other versions
DE69524995D1 (de
Inventor
Dal Frank Griepentrog
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.)
Technicolor USA Inc
Original Assignee
Thomson Consumer Electronics Inc
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 Inc filed Critical Thomson Consumer Electronics Inc
Publication of DE69524995D1 publication Critical patent/DE69524995D1/de
Application granted granted Critical
Publication of DE69524995T2 publication Critical patent/DE69524995T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/22—Circuits for controlling dimensions, shape or centering of picture on screen
    • H04N3/23—Distortion correction, e.g. for pincushion distortion correction, S-correction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/30—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical otherwise than with constant velocity or otherwise than in pattern formed by unidirectional, straight, substantially horizontal or vertical lines
    • H04N3/32—Velocity varied in dependence upon picture information

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)
DE69524995T 1994-06-20 1995-06-07 Schaltung zur Modulation der Abtastgeschwindigkeit Expired - Fee Related DE69524995T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/262,431 US5600381A (en) 1994-06-20 1994-06-20 Scan velocity modulation circuit

Publications (2)

Publication Number Publication Date
DE69524995D1 DE69524995D1 (de) 2002-02-21
DE69524995T2 true DE69524995T2 (de) 2002-11-21

Family

ID=22997480

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69524995T Expired - Fee Related DE69524995T2 (de) 1994-06-20 1995-06-07 Schaltung zur Modulation der Abtastgeschwindigkeit

Country Status (8)

Country Link
US (1) US5600381A (de)
EP (1) EP0689347B1 (de)
JP (1) JPH089189A (de)
KR (1) KR100383519B1 (de)
CN (1) CN1098589C (de)
DE (1) DE69524995T2 (de)
MY (1) MY113074A (de)
TW (1) TW307972B (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0770303B1 (de) * 1995-05-09 2000-03-22 Koninklijke Philips Electronics N.V. Verbesserung zur helligkeitsuniformität eines bildschirms
CN1069008C (zh) * 1997-07-30 2001-07-25 鸿友科技股份有限公司 扫描状态显示装置
CN1054485C (zh) * 1997-09-01 2000-07-12 明碁电脑股份有限公司 可预览扫描的馈纸式扫描仪
US6549244B1 (en) 1998-08-14 2003-04-15 Sony Corporation Scanning speed modulating circuit for picture display
US6498626B1 (en) 1999-05-26 2002-12-24 Thomson Licensing S.A. Video signal processing arrangement for scan velocity modulation circuit
US6295097B1 (en) 1999-05-26 2001-09-25 Thomson Licensing S.A. Piece-wise linearized waveform generator for scan velocity modulation circuit
US6493040B1 (en) 1999-05-26 2002-12-10 Thomson Licensing S.A. Scan velocity modulation circuit with multi-mode operation
US6340995B1 (en) * 1999-11-05 2002-01-22 Thomson Licensing Sa Emission control with scanning beam velocity modulation
US6239561B1 (en) 1999-11-05 2001-05-29 Thomson Licensing S.A. Signal processing for scanning beam velocity modulation
EP1130900A1 (de) * 2000-02-29 2001-09-05 Koninklijke Philips Electronics N.V. Anzeige eines Videosignals mit Zeilenabtastung
US6674253B2 (en) * 2002-01-03 2004-01-06 Zilog, Inc. Scan velocity modulation technique
EP1505824A1 (de) * 2003-08-08 2005-02-09 St Microelectronics S.A. Abtastgeschwindigkeitskorrektur für eine Anzeigevorrichtung
FR2885474A1 (fr) * 2005-05-09 2006-11-10 St Microelectronics Sa Procede de controle de la vitesse de balayage d'un faisceau electronique dans un tube cathodique et dispositif de controle correspondant
CN110598305B (zh) * 2019-09-06 2022-05-24 北京华大九天科技股份有限公司 一种比较电路扫描仿真增量的灵敏度分析方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2309884C3 (de) * 1973-02-28 1981-10-22 Robert Bosch Gmbh, 7000 Stuttgart Schaltung zur Aperturkorektur von in einem vorgegebenen Amplitudenbereich begrenzten Bildsignalen
GB1602207A (en) * 1977-06-01 1981-11-11 Matsushita Electric Ind Co Ltd Scanning velocity modulation system
JPS62279783A (ja) * 1986-05-28 1987-12-04 Mitsubishi Electric Corp 輪郭補正装置
JPH0744651B2 (ja) * 1988-07-20 1995-05-15 三洋電機株式会社 輪郭補正回路
JPH0329570A (ja) * 1989-06-27 1991-02-07 Mitsubishi Electric Corp ダイナミック速度変調回路
JP2692342B2 (ja) * 1990-06-05 1997-12-17 松下電器産業株式会社 輪郭補償装置
US5093728A (en) * 1990-08-02 1992-03-03 Thomson Consumer Electronics, Inc. Beam scan velocity modulation apparatus
MY108262A (en) * 1990-08-20 1996-09-30 Rca Licensing Corp Signal adaptive beam scan velocity modulation.
DE69221580T2 (de) * 1991-10-16 1998-02-19 Philips Electronics Nv Anzeigevorrichtung für ein Bildformat mit dem Seitenverhältnis 16/9, die Bilder mit einem Seitenverhältnis 4/3 empfangen kann
JPH05244449A (ja) * 1992-02-27 1993-09-21 Toshiba Corp テレビジョン受像機の走査速度変調回路
GB9223447D0 (en) * 1992-11-09 1992-12-23 Rca Thomson Licensing Corp Linearity correction circuit
DE69333238D1 (de) * 1992-11-17 2003-11-13 Koninkl Philips Electronics Nv Wiedergabeanordnung mit einer Korrekturschaltung und Korrekturschaltung zum Gebrauch in einer solchen Anordnung
US5351094A (en) * 1993-01-21 1994-09-27 Funai Electric Co., Ltd. Television receiver with scan velocity modulation being adjusted according to aspect ratio
DE9312474U1 (de) * 1993-08-20 1993-10-28 Metz Werke Gmbh & Co Kg Schaltungsanordnung zum Verbessern der Schärfe eines Bildes auf dem Schirm einer Kathodenstrahlröhre

Also Published As

Publication number Publication date
JPH089189A (ja) 1996-01-12
DE69524995D1 (de) 2002-02-21
KR100383519B1 (ko) 2003-06-28
CN1098589C (zh) 2003-01-08
MY113074A (en) 2001-11-30
US5600381A (en) 1997-02-04
KR960003284A (ko) 1996-01-26
EP0689347B1 (de) 2002-01-16
TW307972B (de) 1997-06-11
EP0689347A1 (de) 1995-12-27
CN1128459A (zh) 1996-08-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee