FR2542488B1 - Procede pour regler le foyer d'un systeme de balayage et d'enregistrement d'images - Google Patents

Procede pour regler le foyer d'un systeme de balayage et d'enregistrement d'images

Info

Publication number
FR2542488B1
FR2542488B1 FR8403476A FR8403476A FR2542488B1 FR 2542488 B1 FR2542488 B1 FR 2542488B1 FR 8403476 A FR8403476 A FR 8403476A FR 8403476 A FR8403476 A FR 8403476A FR 2542488 B1 FR2542488 B1 FR 2542488B1
Authority
FR
France
Prior art keywords
fireplace
scanning
adjusting
image recording
recording system
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
Application number
FR8403476A
Other languages
English (en)
Other versions
FR2542488A1 (fr
Inventor
Takeshi Yoshimoto
Masanari Tsuda
Yoshikazu Masuda
Masakatsu Yokoi
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.)
Dainippon Screen Manufacturing Co Ltd
Original Assignee
Dainippon Screen Manufacturing Co Ltd
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 Dainippon Screen Manufacturing Co Ltd filed Critical Dainippon Screen Manufacturing Co Ltd
Publication of FR2542488A1 publication Critical patent/FR2542488A1/fr
Application granted granted Critical
Publication of FR2542488B1 publication Critical patent/FR2542488B1/fr
Expired legal-status Critical Current

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
    • H04N1/06—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 cylindrical picture-bearing surfaces, i.e. scanning a main-scanning line substantially perpendicular to the axis and lying in a curved cylindrical surface
    • H04N1/0671—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 cylindrical picture-bearing surfaces, i.e. scanning a main-scanning line substantially perpendicular to the axis and lying in a curved cylindrical surface with sub-scanning by translational movement of the main-scanning components
    • H04N1/0678—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 cylindrical picture-bearing surfaces, i.e. scanning a main-scanning line substantially perpendicular to the axis and lying in a curved cylindrical surface with sub-scanning by translational movement of the main-scanning components using a lead-screw or worm
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G06K15/12—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G06K15/12—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers
    • G06K15/1204—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers involving the fast moving of an optical beam in the main scanning direction
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0908—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0908—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only
    • G11B7/0917—Focus-error methods other than those covered by G11B7/0909 - G11B7/0916
    • 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
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • 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
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/032—Details of scanning heads ; Means for illuminating the original for picture information reproduction
    • H04N1/036—Details of scanning heads ; Means for illuminating the original for picture information reproduction for optical reproduction
    • 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
    • H04N1/06—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 cylindrical picture-bearing surfaces, i.e. scanning a main-scanning line substantially perpendicular to the axis and lying in a curved cylindrical surface

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Theoretical Computer Science (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Projection-Type Copiers In General (AREA)
  • Automatic Focus Adjustment (AREA)
  • Facsimile Heads (AREA)
  • Fax Reproducing Arrangements (AREA)
FR8403476A 1983-03-08 1984-03-06 Procede pour regler le foyer d'un systeme de balayage et d'enregistrement d'images Expired FR2542488B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58036744A JPS59162514A (ja) 1983-03-08 1983-03-08 画像走査記録装置における焦点調整方法

Publications (2)

Publication Number Publication Date
FR2542488A1 FR2542488A1 (fr) 1984-09-14
FR2542488B1 true FR2542488B1 (fr) 1987-05-07

Family

ID=12478230

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8403476A Expired FR2542488B1 (fr) 1983-03-08 1984-03-06 Procede pour regler le foyer d'un systeme de balayage et d'enregistrement d'images

Country Status (5)

Country Link
US (1) US4660094A (fr)
JP (1) JPS59162514A (fr)
DE (1) DE3406629A1 (fr)
FR (1) FR2542488B1 (fr)
GB (1) GB2137841B (fr)

Families Citing this family (36)

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Publication number Priority date Publication date Assignee Title
JPS60145764A (ja) * 1984-01-10 1985-08-01 Dainippon Screen Mfg Co Ltd 画像走査記録方法
FR2572515B1 (fr) * 1984-10-25 1993-06-18 Canon Kk Dispositif de detection de position
JPS6381307A (ja) * 1986-09-25 1988-04-12 Dainippon Screen Mfg Co Ltd 合焦点位置検知方法および装置
JPS63314955A (ja) * 1987-06-18 1988-12-22 Toshiba Corp 画像処理装置
JPH0192644U (fr) * 1987-12-11 1989-06-16
US4912567A (en) * 1987-12-25 1990-03-27 Minolta Camera Kabushiki Kaisha Image reader
DE68922868T2 (de) * 1988-01-06 1995-12-14 Canon Kk Optisches Abtastgerät.
JPH01243779A (ja) * 1988-03-25 1989-09-28 Ricoh Co Ltd デジタル複写機
DE3922512A1 (de) * 1989-07-08 1991-01-17 Kodak Ag Vorrichtung zum umwandeln von lichtsignalen in videosignale
US4978849A (en) * 1989-08-01 1990-12-18 International Business Machines Corporation Pel placement correction in the scan dimension of a multiple beam laser scanning system
JP2984306B2 (ja) * 1990-03-15 1999-11-29 キヤノン株式会社 焦点調節装置を有する画像読取装置
JPH04331562A (ja) * 1990-07-31 1992-11-19 Xerox Corp 文書複写機
DE69219910T2 (de) * 1991-01-09 1997-09-11 Dainippon Screen Mfg Lichtstrahlabtastsystem
DE4105003A1 (de) * 1991-02-19 1992-08-20 Hell Ag Linotype Verfahren und einrichtung zur scharfeinstellung eines optischen abbildungs-systems
DE4105002C2 (de) * 1991-02-19 1995-03-23 Hell Ag Linotype Verfahren und Einrichtung zur Scharfeinstellung eines optischen Abbildungs-Systems
DE4105001C2 (de) * 1991-02-19 1995-03-23 Hell Ag Linotype Verfahren und Einrichtung zur Scharfeinstellung eines optischen Abbildungs-Systems
US5287125A (en) * 1991-08-05 1994-02-15 Xerox Corporation Raster output scanner with process direction spot position control
US5432622A (en) * 1992-05-29 1995-07-11 Johnston; Gregory E. High-resolution scanning apparatus
DE4226891A1 (de) * 1992-08-13 1994-02-17 Vkt Video Kontroll Technik Gmb Vorrichtung zur Bilderfassung
US5363128A (en) * 1992-09-25 1994-11-08 Xerox Corporation Device and apparatus for scan line process direction control in a multicolor electrostatographic machine
JP3515162B2 (ja) * 1994-03-02 2004-04-05 株式会社ニデック 観察装置
US5692065A (en) * 1994-08-18 1997-11-25 International Business Machines Corporation Apparatus and method for determining image quality
US5828501A (en) * 1996-07-02 1998-10-27 Barco Gerber Systems Apparatus and method for positioning a lens to expand an optical beam of an imaging system
US5936717A (en) * 1997-05-06 1999-08-10 Agfa Corporation Thermal compensation focus adjustment
US6584052B1 (en) * 1998-06-02 2003-06-24 Science Applications International Corporation Method and apparatus for controlling the focus of a read/write head for an optical scanner
US6341118B1 (en) 1998-06-02 2002-01-22 Science Applications International Corporation Multiple channel scanning device using oversampling and image processing to increase throughput
US6172772B1 (en) * 1998-07-31 2001-01-09 Hewlett-Packard Company Image scanner with compensation for magnification changes
DE19936623C2 (de) * 1998-09-30 2001-05-10 Heidelberger Druckmasch Ag Verfahren und Vorrichtung zur Abtastung von Vorlagen
US6580527B1 (en) * 1998-09-30 2003-06-17 Heidelberger Druckmaschinen Aktiengesellschaft Method and arrangement for scanning masters
US6587229B1 (en) 1998-09-30 2003-07-01 Heidelberger Druckmaschinen Aktiengesellschaft Method and apparatus for scanning masters
DE19936620C2 (de) * 1998-09-30 2003-04-17 Heidelberger Druckmasch Ag Abtastvorrichtung
DE19848455A1 (de) * 1998-10-21 2000-04-27 Heidelberger Druckmasch Ag Vorrichtung zur Einstellung der Position eines zylindrischen Bildträgers in Bezug auf einen Abtastkopf
GB2355354A (en) * 1999-08-03 2001-04-18 Axon Instr Inc Auto-focus method
US7843611B2 (en) * 2007-07-18 2010-11-30 Kuwait University High speed flatbed scanner comprising digital image-capture module with two-dimensional optical image photo-sensor or digital camera
DE102008015885A1 (de) * 2008-03-26 2009-10-01 Synentec Gmbh Vorrichtung und Verfahren zur Autofokussierung von optischen Geräten, insbesondere von Mikroskopen
US10996483B1 (en) * 2019-12-24 2021-05-04 Himax Technologies Limited Structured light projector and method for structured light projection using the same

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Publication number Priority date Publication date Assignee Title
US3997715A (en) * 1974-03-25 1976-12-14 Mca Disco-Vision, Inc. Focusing system for videodisc player
US4079247A (en) * 1975-05-16 1978-03-14 Claude Bricot Optical focussing device
JPS6029087B2 (ja) * 1976-04-26 1985-07-09 富士通株式会社 焦点位置検出方式
JPS53112705A (en) * 1977-03-14 1978-10-02 Mitsubishi Electric Corp Optical system information reproducer
GB1603596A (en) * 1977-06-06 1981-11-25 Mca Disco Vision Optical transducer and focusing system
IE47583B1 (en) * 1977-11-25 1984-05-02 Polaroid Corp An exposure control system for use in a photographic camera
JPS54155832A (en) * 1978-05-30 1979-12-08 Canon Inc Focusing detector
JPS5538639A (en) * 1978-09-07 1980-03-18 Pioneer Video Corp Servo drawing-in unit for focus lens of optical information reader
NL7809635A (nl) * 1978-09-22 1980-03-25 Philips Nv Inrichting voor het uitlezen van een optische registra- tiedrager bevattende een stralingsreflekterende infor- matiestruktuur.
GB2057218B (en) * 1979-06-25 1984-02-29 Olympus Optical Co Detecting focussing error
NL7907216A (nl) * 1979-09-28 1981-03-31 Philips Nv Optisch fokusfout-detektiestelsel.
GB2066014B (en) * 1979-12-14 1984-05-02 Plessey Co Ltd Focus indicator
JPS56132315A (en) * 1980-03-19 1981-10-16 Fuji Photo Film Co Ltd Automatic focusing method
JPS56132313A (en) * 1980-03-19 1981-10-16 Fuji Photo Film Co Ltd Automatic focusing device
US4357533A (en) * 1980-07-14 1982-11-02 Discovision Associates Focus detector for an optical disc playback system
JPS5793307A (en) * 1980-12-02 1982-06-10 Olympus Optical Co Ltd Automatic focusing system
US4376303A (en) * 1980-12-19 1983-03-08 Rca Corporation Quasi-zoom lens optical focus sensor
JPS57116314A (en) * 1981-01-12 1982-07-20 Canon Inc Image recorder on multilaser beam scanning system
US4505584A (en) * 1981-01-22 1985-03-19 Olympus Optical Co., Ltd. Method and apparatus for detecting focussing error signal of objective lens
JPS57195634U (fr) * 1981-06-05 1982-12-11
US4417330A (en) * 1981-10-15 1983-11-22 Burroughs Corporation Optical memory system providing improved focusing control
NL8105579A (nl) * 1981-12-11 1983-07-01 Philips Nv Optisch fokusfoutdetektiestelsel.
US4445577A (en) * 1981-12-21 1984-05-01 Russell & Sons Construction Co. Inc. Bulldozer blade
DE3363889D1 (en) * 1982-03-19 1986-07-10 Olympus Optical Co Focus state detector
NL8202058A (nl) * 1982-05-19 1983-12-16 Philips Nv Opto-elektronisch fokusfout-detektiestelsel.

Also Published As

Publication number Publication date
GB8405865D0 (en) 1984-04-11
GB2137841B (en) 1986-08-06
FR2542488A1 (fr) 1984-09-14
GB2137841A (en) 1984-10-10
DE3406629A1 (de) 1984-09-20
US4660094A (en) 1987-04-21
DE3406629C2 (fr) 1987-02-19
JPS59162514A (ja) 1984-09-13

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Legal Events

Date Code Title Description
ST Notification of lapse