FR2638590B1 - Procede et appareil pour engendrer un signal de synchronisation de balayage - Google Patents
Procede et appareil pour engendrer un signal de synchronisation de balayageInfo
- Publication number
- FR2638590B1 FR2638590B1 FR898913675A FR8913675A FR2638590B1 FR 2638590 B1 FR2638590 B1 FR 2638590B1 FR 898913675 A FR898913675 A FR 898913675A FR 8913675 A FR8913675 A FR 8913675A FR 2638590 B1 FR2638590 B1 FR 2638590B1
- Authority
- FR
- France
- Prior art keywords
- generating
- synchronization signal
- scan synchronization
- scan
- signal
- 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 - Lifetime
Links
Classifications
-
- 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
- H04N1/053—Detection, control or error compensation of scanning velocity or position in main scanning direction, e.g. synchronisation of line start or picture elements in a line
-
- 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
- H04N1/1135—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 for the main-scan only
-
- 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
- H04N2201/04712—Detection of scanning velocity or position using dedicated detectors using unbroken arrays of detectors, i.e. detectors mounted on the same substrate
-
- 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
- H04N2201/04746—Detection of scanning velocity or position by detecting the scanned beam or a reference beam after modulation by a grating, mask or the like
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Laser Beam Printer (AREA)
- Facsimile Scanning Arrangements (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/260,117 US4866464A (en) | 1988-10-20 | 1988-10-20 | Method and apparatus for generating a scan timing signal with diffuser and detector array |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2638590A1 FR2638590A1 (fr) | 1990-05-04 |
FR2638590B1 true FR2638590B1 (fr) | 1992-09-04 |
Family
ID=22987839
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR898913675A Expired - Lifetime FR2638590B1 (fr) | 1988-10-20 | 1989-10-19 | Procede et appareil pour engendrer un signal de synchronisation de balayage |
Country Status (5)
Country | Link |
---|---|
US (1) | US4866464A (fr) |
JP (2) | JPH02186546A (fr) |
DE (1) | DE3933062A1 (fr) |
FR (1) | FR2638590B1 (fr) |
GB (1) | GB2224177B (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55171042U (fr) * | 1979-05-25 | 1980-12-08 | ||
US5247373A (en) * | 1989-09-14 | 1993-09-21 | Asahi Kogaku Kogyo Kabushiki Kaisha | Scanning optical system |
IL94308A0 (en) * | 1990-05-07 | 1991-03-10 | Scitex Corp Ltd | Laser scanning apparatus |
US5291392A (en) * | 1992-02-19 | 1994-03-01 | Gerber Systems Corporation | Method and apparatus for enhancing the accuracy of scanner systems |
US5546217A (en) * | 1993-11-05 | 1996-08-13 | Decagon Devices, Inc. | Laser scanning apparatus |
US5910651A (en) * | 1997-07-15 | 1999-06-08 | Gerber Systems Corporation | Method and apparatus for image nonlinearity compensation in scanning systems |
US5973839A (en) * | 1998-03-05 | 1999-10-26 | Hewlett-Packard Company | Optical homogenizer |
US7806585B2 (en) * | 2007-06-22 | 2010-10-05 | Decagon Devices, Inc. | Apparatus, method, and system for measuring water activity and weight |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4081842A (en) * | 1976-06-14 | 1978-03-28 | Eocom Corporation | Facsimile system |
US4127781A (en) * | 1977-06-22 | 1978-11-28 | Hughes Aircraft Company | Scan mirror position determining system |
JPS5737887A (en) * | 1980-08-19 | 1982-03-02 | Fuji Photo Film Co Ltd | Image reader |
JPS6028468B2 (ja) * | 1980-10-30 | 1985-07-04 | 富士写真フイルム株式会社 | 放射線画像情報読取方法および装置 |
JPS57163086A (en) * | 1981-03-27 | 1982-10-07 | Fuji Photo Film Co Ltd | Beam scanning type marking device |
JPS5851385A (ja) * | 1981-09-24 | 1983-03-26 | Hitachi Ltd | 光電変換装置 |
JPS5981616A (ja) * | 1982-10-30 | 1984-05-11 | Konishiroku Photo Ind Co Ltd | 記録装置 |
JPS5981969A (ja) * | 1982-11-02 | 1984-05-11 | Fuji Photo Film Co Ltd | 光検出装置 |
DE3407981C2 (de) * | 1983-03-24 | 1986-12-18 | Dainippon Screen Seizo K.K., Kyoto | Verfahren zum Aufzeichnen eines Bildes auf einem photoempfindlichen Material und Vorrichtung zur Durchführung des Verfahrens |
JPS6197619A (ja) * | 1984-10-19 | 1986-05-16 | Fuji Photo Film Co Ltd | 光学式リニアエンコ−ダ |
JPS6349515U (fr) * | 1986-09-19 | 1988-04-04 |
-
1988
- 1988-10-20 US US07/260,117 patent/US4866464A/en not_active Expired - Lifetime
-
1989
- 1989-09-13 GB GB8920709A patent/GB2224177B/en not_active Expired - Fee Related
- 1989-10-04 DE DE3933062A patent/DE3933062A1/de active Granted
- 1989-10-17 JP JP1270158A patent/JPH02186546A/ja active Pending
- 1989-10-19 FR FR898913675A patent/FR2638590B1/fr not_active Expired - Lifetime
-
1995
- 1995-12-28 JP JP1995013825U patent/JP2543821Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4866464A (en) | 1989-09-12 |
JPH02186546A (ja) | 1990-07-20 |
DE3933062A1 (de) | 1990-04-26 |
DE3933062C2 (fr) | 1992-06-17 |
GB2224177A (en) | 1990-04-25 |
FR2638590A1 (fr) | 1990-05-04 |
GB8920709D0 (en) | 1989-10-25 |
GB2224177B (en) | 1993-03-24 |
JPH081101U (ja) | 1996-07-02 |
JP2543821Y2 (ja) | 1997-08-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name | ||
ST | Notification of lapse |