CN1112052C - 投影电视机中的会聚调节电路 - Google Patents

投影电视机中的会聚调节电路 Download PDF

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Publication number
CN1112052C
CN1112052C CN98104020A CN98104020A CN1112052C CN 1112052 C CN1112052 C CN 1112052C CN 98104020 A CN98104020 A CN 98104020A CN 98104020 A CN98104020 A CN 98104020A CN 1112052 C CN1112052 C CN 1112052C
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CN
China
Prior art keywords
circuit
output signal
light
sensitive device
convergence
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
CN98104020A
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English (en)
Chinese (zh)
Other versions
CN1191450A (zh
Inventor
雅克斯·昌文
伯恩哈德·马洛塔
艾尔伯特·鲁恩泽
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Deutsche Thomson Brandt GmbH
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Deutsche Thomson Brandt GmbH
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Publication date
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Publication of CN1191450A publication Critical patent/CN1191450A/zh
Application granted granted Critical
Publication of CN1112052C publication Critical patent/CN1112052C/zh
Anticipated expiration legal-status Critical
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/12Picture reproducers
    • H04N9/16Picture reproducers using cathode ray tubes
    • H04N9/28Arrangements for convergence or focusing

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
CN98104020A 1997-01-24 1998-01-21 投影电视机中的会聚调节电路 Expired - Fee Related CN1112052C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19702452A DE19702452A1 (de) 1997-01-24 1997-01-24 Schaltung zur Einstellung der Konvergenz bei einem Projektionsfernsehgerät
DE19702452.1 1997-01-24

Publications (2)

Publication Number Publication Date
CN1191450A CN1191450A (zh) 1998-08-26
CN1112052C true CN1112052C (zh) 2003-06-18

Family

ID=7818233

Family Applications (1)

Application Number Title Priority Date Filing Date
CN98104020A Expired - Fee Related CN1112052C (zh) 1997-01-24 1998-01-21 投影电视机中的会聚调节电路

Country Status (6)

Country Link
EP (1) EP0855841A3 (enExample)
JP (1) JPH10224813A (enExample)
KR (1) KR100509105B1 (enExample)
CN (1) CN1112052C (enExample)
CA (1) CA2226470C (enExample)
DE (1) DE19702452A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19835803A1 (de) * 1998-08-07 2000-02-10 Thomson Brandt Gmbh Verfahren zur Konvergenzkorrektur in einem Fernsehgerät
WO2001039510A1 (en) * 1999-11-22 2001-05-31 Thomson Licensing S.A. Automated convergence in a projection display apparatus
JP7036133B2 (ja) * 2020-02-20 2022-03-15 セイコーエプソン株式会社 プロジェクションシステム、プロジェクターの制御方法およびプロジェクター

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3311971A1 (de) * 1983-03-31 1984-10-04 Siemens AG, 1000 Berlin und 8000 München Einrichtung zum ausrichten von videoprojektionen
US4720190A (en) * 1985-12-05 1988-01-19 Dupree, Inc. Lamp analyzer
GB8608925D0 (en) * 1986-04-11 1986-05-14 Philips Nv Projection television system
JPS63180828A (ja) * 1987-01-22 1988-07-25 Agency Of Ind Science & Technol 高速処理化カラ−センサ
US4884890A (en) * 1988-02-25 1989-12-05 Nanometrics Incorporated Method for normalizing the detection signals of magnified images of fluorescing materials
JPH02194789A (ja) * 1989-01-23 1990-08-01 Toshiba Corp 投写形画像表示装置のコンバーゼンス補正装置
DE3936789A1 (de) * 1989-11-04 1991-05-08 Thomson Brandt Gmbh Projektions-fernsehgeraet
JPH05191817A (ja) * 1992-01-13 1993-07-30 Toshiba Corp 投写型テレビジョン受像機の自動コンバーゼンス補正回路
JPH06165224A (ja) * 1992-11-24 1994-06-10 Sanyo Electric Co Ltd コンバージェンスずれ検出装置及び検出方法
US5340975A (en) * 1993-01-29 1994-08-23 Minnesota Mining And Manufacturing Company Method and apparatus for reducing the effects of laser noise and for improving modulation transfer function in scanning a photoconductive surface
JP3409899B2 (ja) * 1993-12-13 2003-05-26 三菱電機株式会社 投写型表示装置および投写画像改善方法
JPH08149522A (ja) * 1994-09-20 1996-06-07 Matsushita Electric Ind Co Ltd 位置検出装置及び画像補正装置
JPH08182013A (ja) * 1994-12-27 1996-07-12 Hitachi Ltd デジタルコンバーゼンス自動調整装置
JPH08317431A (ja) * 1995-05-23 1996-11-29 Matsushita Electric Ind Co Ltd 信号発生装置及び位置検出装置及び画像補正装置

Also Published As

Publication number Publication date
CN1191450A (zh) 1998-08-26
CA2226470A1 (en) 1998-07-24
KR19980070793A (ko) 1998-10-26
EP0855841A2 (en) 1998-07-29
CA2226470C (en) 2006-07-11
EP0855841A3 (en) 2002-07-24
KR100509105B1 (ko) 2005-11-16
JPH10224813A (ja) 1998-08-21
DE19702452A1 (de) 1998-07-30

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PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20030618

Termination date: 20120121