FI953289A - Method and apparatus for compensating for pyramid error - Google Patents

Method and apparatus for compensating for pyramid error Download PDF

Info

Publication number
FI953289A
FI953289A FI953289A FI953289A FI953289A FI 953289 A FI953289 A FI 953289A FI 953289 A FI953289 A FI 953289A FI 953289 A FI953289 A FI 953289A FI 953289 A FI953289 A FI 953289A
Authority
FI
Finland
Prior art keywords
compensating
pyramid error
pyramid
error
Prior art date
Application number
FI953289A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI953289A0 (en
Inventor
Wolfgang Vogel
Klaus Hiller
Christhard Deter
Original Assignee
Schneider Rundfunkwerke Ag
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 Schneider Rundfunkwerke Ag filed Critical Schneider Rundfunkwerke Ag
Publication of FI953289A publication Critical patent/FI953289A/en
Publication of FI953289A0 publication Critical patent/FI953289A0/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3129—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] scanning a light beam on the display screen
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/047—Detection, control or error compensation of scanning velocity or position
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/047—Detection, control or error compensation of scanning velocity or position
    • H04N1/0473—Detection, control or error compensation of scanning velocity or position in subscanning direction, e.g. picture start or line-to-line synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/113—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using oscillating or rotating mirrors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
    • H04N2201/02406—Arrangements for positioning elements within a head
    • H04N2201/02439—Positioning method
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/047—Detection, control or error compensation of scanning velocity or position
    • H04N2201/04701—Detection of scanning velocity or position
    • H04N2201/0471—Detection of scanning velocity or position using dedicated detectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/047—Detection, control or error compensation of scanning velocity or position
    • H04N2201/04701—Detection of scanning velocity or position
    • H04N2201/04734—Detecting at frequent intervals, e.g. once per line for sub-scan control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/047—Detection, control or error compensation of scanning velocity or position
    • H04N2201/04701—Detection of scanning velocity or position
    • H04N2201/04744—Detection of scanning velocity or position by detecting the scanned beam or a reference beam
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/047—Detection, control or error compensation of scanning velocity or position
    • H04N2201/04753—Control or error compensation of scanning position or velocity
    • H04N2201/04755—Control or error compensation of scanning position or velocity by controlling the position or movement of a scanning element or carriage, e.g. of a polygonal mirror, of a drive motor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/047—Detection, control or error compensation of scanning velocity or position
    • H04N2201/04753—Control or error compensation of scanning position or velocity
    • H04N2201/04793—Control or error compensation of scanning position or velocity using stored control or compensation data, e.g. previously measured data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/047—Detection, control or error compensation of scanning velocity or position
    • H04N2201/04753—Control or error compensation of scanning position or velocity
    • H04N2201/04794—Varying the control or compensation during the scan, e.g. using continuous feedback or from line to line

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Mechanical Optical Scanning Systems (AREA)
FI953289A 1993-11-23 1995-07-03 Method and apparatus for compensating a pyramid fault FI953289A0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4339908A DE4339908C2 (en) 1993-11-23 1993-11-23 Method and device for pyramidal error compensation
PCT/EP1994/003878 WO1995015052A1 (en) 1993-11-23 1994-11-23 Process and device for compensating pyramidal errors

Publications (2)

Publication Number Publication Date
FI953289A true FI953289A (en) 1995-07-03
FI953289A0 FI953289A0 (en) 1995-07-03

Family

ID=6503242

Family Applications (1)

Application Number Title Priority Date Filing Date
FI953289A FI953289A0 (en) 1993-11-23 1995-07-03 Method and apparatus for compensating a pyramid fault

Country Status (9)

Country Link
EP (1) EP0680681B1 (en)
JP (1) JP2749207B2 (en)
KR (1) KR100202289B1 (en)
CN (1) CN1116892A (en)
BR (1) BR9405974A (en)
DE (2) DE4339908C2 (en)
ES (1) ES2122514T3 (en)
FI (1) FI953289A0 (en)
WO (1) WO1995015052A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004051344A1 (en) * 2002-11-29 2004-06-17 Brother Kogyo Kabushiki Kaisha Image display device
DE10345370A1 (en) * 2003-09-26 2005-04-28 Zeiss Carl Jena Gmbh Projection apparatus for television device, senses positional offsets in individual opto-mechanical elements and corrects accordingly
JP2010020091A (en) 2008-07-10 2010-01-28 Funai Electric Co Ltd Device for displaying image
JP5226081B2 (en) * 2008-11-20 2013-07-03 プリズム インク Scanning projector
CN105319809A (en) * 2014-06-10 2016-02-10 马国光 Optical projection system
CN106017873B (en) * 2016-07-19 2018-05-08 武汉海达数云技术有限公司 A kind of scaling method of laser scanner reflecting surface parameter

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4180822A (en) * 1978-04-13 1979-12-25 Rca Corporation Optical scanner and recorder
US4600837A (en) * 1983-12-01 1986-07-15 International Business Machines Corporation Optical scanning apparatus with dynamic scan path control
JPS6173917A (en) * 1984-09-20 1986-04-16 Fujitsu Ltd Photoscanning device
JPS6225067A (en) * 1985-07-25 1987-02-03 Ricoh Co Ltd Electrode forming method for thermal head
US4829175A (en) * 1985-12-05 1989-05-09 Fuji Photo Film Co., Ltd. Light beam scanning apparatus, method of correcting unevenness in scanning lines in light beam scanning apparatus, method of detecting deflection of rotational axis of light beam deflector and rotational axis deflection detecting device
US4940310A (en) * 1986-03-19 1990-07-10 Minolta Camera Kabushiki Kaisha Optical scanning device using plural sources of differing wavelengths
JPS62225067A (en) * 1986-03-27 1987-10-03 Seiko Epson Corp Optical scanning device
US5140427A (en) * 1988-12-23 1992-08-18 Sony Corporation Apparatus for displaying an image on a screen
JP2961765B2 (en) * 1989-08-31 1999-10-12 ソニー株式会社 Laser beam scanning device
JP2572300B2 (en) * 1990-08-21 1997-01-16 大日本スクリーン製造株式会社 Image scanning device
JPH052142A (en) * 1991-06-24 1993-01-08 Dainippon Screen Mfg Co Ltd Detecting method for scanning line deviation quantity of light beam and light beam scanning device
DE4306797C1 (en) * 1993-03-04 1994-05-05 Schneider Rundfunkwerke Ag Generating colour pixels of TV image - providing projection system using coloured lasers supplied with colour tone signals converted from phosphor screen base system to laser projection base system

Also Published As

Publication number Publication date
ES2122514T3 (en) 1998-12-16
JPH08505717A (en) 1996-06-18
DE4339908C2 (en) 1997-01-23
EP0680681B1 (en) 1998-08-05
BR9405974A (en) 1996-01-09
EP0680681A1 (en) 1995-11-08
CN1116892A (en) 1996-02-14
WO1995015052A1 (en) 1995-06-01
KR960700603A (en) 1996-01-20
DE4339908A1 (en) 1995-05-24
JP2749207B2 (en) 1998-05-13
KR100202289B1 (en) 1999-06-15
FI953289A0 (en) 1995-07-03
DE59406616D1 (en) 1998-09-10

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Legal Events

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Owner name: LDT GMBH & CO. LASER-DISPLAY-TECHNOLOGIE