CN1051653A - 用于对图象面上的偏转屏幕进行自动调整的装置 - Google Patents

用于对图象面上的偏转屏幕进行自动调整的装置 Download PDF

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Publication number
CN1051653A
CN1051653A CN 90108833 CN90108833A CN1051653A CN 1051653 A CN1051653 A CN 1051653A CN 90108833 CN90108833 CN 90108833 CN 90108833 A CN90108833 A CN 90108833A CN 1051653 A CN1051653 A CN 1051653A
Authority
CN
China
Prior art keywords
equipment
light beam
control signal
sensor unit
picture plane
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.)
Pending
Application number
CN 90108833
Other languages
English (en)
Chinese (zh)
Inventor
古恩特·格雷姆
杰克斯·考文
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.)
Deutsche Thomson Brandt GmbH
Original Assignee
Deutsche Thomson Brandt GmbH
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 Deutsche Thomson Brandt GmbH filed Critical Deutsche Thomson Brandt GmbH
Publication of CN1051653A publication Critical patent/CN1051653A/zh
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
    • H04N17/04—Diagnosis, testing or measuring for television systems or their details for receivers
    • 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
    • H04N3/233—Distortion correction, e.g. for pincushion distortion correction, S-correction using active elements
    • H04N3/2335—Distortion correction, e.g. for pincushion distortion correction, S-correction using active elements with calculating means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/16—Picture reproducers using cathode ray tubes
    • H04N9/28—Arrangements for convergence or focusing

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Details Of Television Scanning (AREA)
CN 90108833 1989-11-04 1990-11-02 用于对图象面上的偏转屏幕进行自动调整的装置 Pending CN1051653A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19893936790 DE3936790A1 (de) 1989-11-04 1989-11-04 Einrichtung zum automatischen justieren eines ablenkrasters auf einer bildflaeche
DEP3936790.8 1989-11-04

Publications (1)

Publication Number Publication Date
CN1051653A true CN1051653A (zh) 1991-05-22

Family

ID=6392889

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 90108833 Pending CN1051653A (zh) 1989-11-04 1990-11-02 用于对图象面上的偏转屏幕进行自动调整的装置

Country Status (4)

Country Link
CN (1) CN1051653A (de)
AU (1) AU6548390A (de)
DE (1) DE3936790A1 (de)
WO (1) WO1991007048A2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4136121C2 (de) * 1991-11-02 2003-06-26 Thomson Brandt Gmbh Einrichtung zum automatischen Justieren eines Ablenkrasters auf einer Bildfläche
DE4137131C2 (de) * 1991-11-12 2003-06-26 Thomson Brandt Gmbh Verfahren und Vorrichtung zur Rasterkorrektur
EP0703714A3 (de) * 1994-09-20 1997-09-03 Matsushita Electric Ind Co Ltd Bildanzeigepositiondetektionsvorrichtung und Bildkorrekturvorrichtung
DE19700204A1 (de) * 1997-01-04 1998-07-09 Thomson Brandt Gmbh Verfahren zur Einstellung der Konvergenz bei einem Projektions-Fernsehgerät
US6196687B1 (en) * 1999-04-16 2001-03-06 Intel Corporation Measuring convergence alignment of a projection system
DE10113835B4 (de) * 2001-03-21 2005-02-10 Carl Zeiss Jena Gmbh Projektionsanordnung zum Projizieren eines Bildes auf eine Projektionsfläche und Verfahren zum Ermitteln von nicht darzustellenden Bildpunkten eines Lichtmodulatorbildbereichs

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3743883A (en) * 1971-01-15 1973-07-03 Fairchild Camera Instr Co Photodiode apparatus for reducing beam drift of a cathode ray tube display system
NL7903468A (nl) * 1979-05-03 1980-11-05 Philips Nv Inrichting voor het meten en werkwijzen voor het meten en instellen van de convergentie van de elektronen- bundels in kleurenbeeldbuizen.
GB2139860B (en) * 1983-05-09 1987-08-12 Gen Electric Co Plc Vibration compensated cathode ray tube display device

Also Published As

Publication number Publication date
WO1991007048A2 (de) 1991-05-16
DE3936790A1 (de) 1991-05-08
AU6548390A (en) 1991-05-31
WO1991007048A3 (de) 1991-06-13

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PB01 Publication
C01 Deemed withdrawal of patent application (patent law 1993)
WD01 Invention patent application deemed withdrawn after publication