FI953289A0 - Menetelmä ja laite pyramidivirheen kompensoimiseksi - Google Patents
Menetelmä ja laite pyramidivirheen kompensoimiseksiInfo
- Publication number
- FI953289A0 FI953289A0 FI953289A FI953289A FI953289A0 FI 953289 A0 FI953289 A0 FI 953289A0 FI 953289 A FI953289 A FI 953289A FI 953289 A FI953289 A FI 953289A FI 953289 A0 FI953289 A0 FI 953289A0
- Authority
- FI
- Finland
- Prior art keywords
- pyramid
- compensating
- fault
- pyramid fault
- Prior art date
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4339908A DE4339908C2 (de) | 1993-11-23 | 1993-11-23 | Verfahren und Vorrichtung zum Pyramidalfehlerausgleich |
PCT/EP1994/003878 WO1995015052A1 (de) | 1993-11-23 | 1994-11-23 | Verfahren und vorrichtung zum pyramidalfehlerausgleich |
Publications (2)
Publication Number | Publication Date |
---|---|
FI953289A0 true FI953289A0 (fi) | 1995-07-03 |
FI953289A FI953289A (fi) | 1995-07-03 |
Family
ID=6503242
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI953289A FI953289A (fi) | 1993-11-23 | 1995-07-03 | Menetelmä ja laite pyramidivirheen kompensoimiseksi |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0680681B1 (fi) |
JP (1) | JP2749207B2 (fi) |
KR (1) | KR100202289B1 (fi) |
CN (1) | CN1116892A (fi) |
BR (1) | BR9405974A (fi) |
DE (2) | DE4339908C2 (fi) |
ES (1) | ES2122514T3 (fi) |
FI (1) | FI953289A (fi) |
WO (1) | WO1995015052A1 (fi) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004051344A1 (ja) * | 2002-11-29 | 2004-06-17 | Brother Kogyo Kabushiki Kaisha | 画像表示装置 |
DE10345370A1 (de) * | 2003-09-26 | 2005-04-28 | Zeiss Carl Jena Gmbh | Projektionsanordnung |
JP2010020091A (ja) | 2008-07-10 | 2010-01-28 | Funai Electric Co Ltd | 画像表示装置 |
WO2010058462A1 (ja) * | 2008-11-20 | 2010-05-27 | Hoya株式会社 | 走査型投影装置 |
CN105319809A (zh) * | 2014-06-10 | 2016-02-10 | 马国光 | 一种光学投影*** |
CN106017873B (zh) * | 2016-07-19 | 2018-05-08 | 武汉海达数云技术有限公司 | 一种激光扫描仪反射面参数的标定方法 |
Family Cites Families (12)
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 (ja) * | 1984-09-20 | 1986-04-16 | Fujitsu Ltd | 光走査装置 |
JPS6225067A (ja) * | 1985-07-25 | 1987-02-03 | Ricoh Co Ltd | サ−マルヘツドの電極形成方法 |
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 (ja) * | 1986-03-27 | 1987-10-03 | Seiko Epson Corp | 光走査装置 |
US5140427A (en) * | 1988-12-23 | 1992-08-18 | Sony Corporation | Apparatus for displaying an image on a screen |
JP2961765B2 (ja) * | 1989-08-31 | 1999-10-12 | ソニー株式会社 | レーザビーム走査装置 |
JP2572300B2 (ja) * | 1990-08-21 | 1997-01-16 | 大日本スクリーン製造株式会社 | 画像走査装置 |
JPH052142A (ja) * | 1991-06-24 | 1993-01-08 | Dainippon Screen Mfg Co Ltd | 光ビームの走査線偏位量検出方法および光ビーム走査装置 |
DE4306797C1 (de) * | 1993-03-04 | 1994-05-05 | Schneider Rundfunkwerke Ag | Fernsehprojektionssystem |
-
1993
- 1993-11-23 DE DE4339908A patent/DE4339908C2/de not_active Expired - Fee Related
-
1994
- 1994-11-23 EP EP95901421A patent/EP0680681B1/de not_active Expired - Lifetime
- 1994-11-23 CN CN94190978A patent/CN1116892A/zh active Pending
- 1994-11-23 WO PCT/EP1994/003878 patent/WO1995015052A1/de active IP Right Grant
- 1994-11-23 BR BR9405974A patent/BR9405974A/pt not_active Application Discontinuation
- 1994-11-23 KR KR1019950703011A patent/KR100202289B1/ko not_active IP Right Cessation
- 1994-11-23 DE DE59406616T patent/DE59406616D1/de not_active Expired - Fee Related
- 1994-11-23 JP JP7514835A patent/JP2749207B2/ja not_active Expired - Lifetime
- 1994-11-23 ES ES95901421T patent/ES2122514T3/es not_active Expired - Lifetime
-
1995
- 1995-07-03 FI FI953289A patent/FI953289A/fi unknown
Also Published As
Publication number | Publication date |
---|---|
CN1116892A (zh) | 1996-02-14 |
BR9405974A (pt) | 1996-01-09 |
JPH08505717A (ja) | 1996-06-18 |
KR960700603A (ko) | 1996-01-20 |
DE4339908C2 (de) | 1997-01-23 |
WO1995015052A1 (de) | 1995-06-01 |
DE4339908A1 (de) | 1995-05-24 |
ES2122514T3 (es) | 1998-12-16 |
JP2749207B2 (ja) | 1998-05-13 |
DE59406616D1 (de) | 1998-09-10 |
EP0680681A1 (de) | 1995-11-08 |
FI953289A (fi) | 1995-07-03 |
EP0680681B1 (de) | 1998-08-05 |
KR100202289B1 (ko) | 1999-06-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GB | Transfer or assigment of application |
Owner name: LDT GMBH & CO. LASER-DISPLAY-TECHNOLOGIE |