DE2226413A1 - Dokumentenabtaster - Google Patents

Dokumentenabtaster

Info

Publication number
DE2226413A1
DE2226413A1 DE2226413A DE2226413A DE2226413A1 DE 2226413 A1 DE2226413 A1 DE 2226413A1 DE 2226413 A DE2226413 A DE 2226413A DE 2226413 A DE2226413 A DE 2226413A DE 2226413 A1 DE2226413 A1 DE 2226413A1
Authority
DE
Germany
Prior art keywords
reflector
station
image
detector
scanning
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
DE2226413A
Other languages
German (de)
English (en)
Inventor
Lester John Lloyd
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.)
Decision Consultants Inc
Original Assignee
Decision Consultants Inc
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 Decision Consultants Inc filed Critical Decision Consultants Inc
Publication of DE2226413A1 publication Critical patent/DE2226413A1/de
Pending 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
    • H04N1/0402—Scanning different formats; Scanning with different densities of dots per unit length, e.g. different numbers of dots per inch (dpi); Conversion of scanning standards
    • H04N1/0408—Different densities of dots per unit length
    • H04N1/0411—Different densities of dots per unit length in the main scanning direction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G06V10/12—Details of acquisition arrangements; Constructional details thereof
    • 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
    • H04N1/0402—Scanning different formats; Scanning with different densities of dots per unit length, e.g. different numbers of dots per inch (dpi); Conversion of scanning standards
    • H04N1/0408—Different densities of dots per unit length
    • H04N1/0414—Different densities of dots per unit length in the sub scanning direction
    • 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
    • H04N1/0402—Scanning different formats; Scanning with different densities of dots per unit length, e.g. different numbers of dots per inch (dpi); Conversion of scanning standards
    • H04N1/042—Details of the method used
    • H04N1/0443—Varying the 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
    • H04N1/0402—Scanning different formats; Scanning with different densities of dots per unit length, e.g. different numbers of dots per inch (dpi); Conversion of scanning standards
    • H04N1/042—Details of the method used
    • H04N1/0455—Details of the method used using a single set of scanning elements, e.g. the whole of and a part of an array respectively for different formats
    • 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
    • H04N1/10—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 flat picture-bearing surfaces
    • H04N1/1013—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 flat picture-bearing surfaces with sub-scanning by translatory movement of at least a part of the main-scanning components
    • 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
    • H04N1/10—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 flat picture-bearing surfaces
    • H04N1/1013—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 flat picture-bearing surfaces with sub-scanning by translatory movement of at least a part of the main-scanning components
    • H04N1/1026—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 flat picture-bearing surfaces with sub-scanning by translatory movement of at least a part of the main-scanning components using a belt or cable
    • 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
    • H04N1/10—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 flat picture-bearing surfaces
    • H04N1/1013—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 flat picture-bearing surfaces with sub-scanning by translatory movement of at least a part of the main-scanning components
    • H04N1/1039—Movement of the main scanning components
    • H04N1/1052—Movement of the main scanning components of a mirror
    • H04N1/1056—Movement of the main scanning components of a mirror of two or more separate mirror arrangements
    • 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
    • H04N2201/024—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
    • H04N2201/02416—Rotational positioning, i.e. with respect to an axis
    • 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
    • H04N2201/04715—Detection of scanning velocity or position by detecting marks or the like, e.g. slits
    • H04N2201/04727—Detection of scanning velocity or position by detecting marks or the like, e.g. slits on a linear encoder
    • 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
    • H04N2201/04729—Detection of scanning velocity or position in the main-scan direction
    • 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
    • H04N2201/04731—Detection of scanning velocity or position in the sub-scan direction
    • 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
    • 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
    • H04N2201/04791—Control or error compensation of scanning position or velocity in the sub-scan direction
    • 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)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Image Input (AREA)
DE2226413A 1971-06-28 1972-05-31 Dokumentenabtaster Pending DE2226413A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15734871A 1971-06-28 1971-06-28

Publications (1)

Publication Number Publication Date
DE2226413A1 true DE2226413A1 (de) 1973-01-18

Family

ID=22563344

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2226413A Pending DE2226413A1 (de) 1971-06-28 1972-05-31 Dokumentenabtaster

Country Status (4)

Country Link
US (1) US3752558A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2226413A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2143774A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1397987A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2518615A1 (de) * 1975-04-26 1976-11-04 Agfa Gevaert Ag Facsimilegeraet
DE3336961A1 (de) * 1982-10-12 1984-04-12 Canon K.K., Tokyo Bildreproduktionseinrichtung
WO1992010903A1 (en) * 1990-12-07 1992-06-25 Intergraph Corporation Scanning beam control system with translated reference scale

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4025154A (en) * 1973-09-22 1977-05-24 Olympus Optical Co., Ltd. Optical scanning system
US3867569A (en) * 1974-02-25 1975-02-18 Bell Telephone Labor Inc Compact flatbed page scanner
FR2312149A1 (fr) * 1975-05-23 1976-12-17 Thomson Csf Dispositif de projection d'images de reperes sur une surface photosensible et telecinema muni d'un tel dispositif
US4050780A (en) * 1976-11-08 1977-09-27 Northern Telecom Limited Optical system for a scanning apparatus with reflector pairs at each end
US4112469A (en) * 1977-04-21 1978-09-05 The Mead Corporation Jet drop copying apparatus
US4266252A (en) * 1979-09-12 1981-05-05 The Mead Corporation Lens system for document scanning
US4506301A (en) * 1979-10-12 1985-03-19 Xerox Corporation Multiple mode raster scanner
DE3014433A1 (de) * 1980-04-15 1981-10-22 Siemens AG, 1000 Berlin und 8000 München Anordnung zum abtasten von mit graphischen mustern versehenen vorlagen
NL8004430A (nl) * 1980-08-04 1982-03-01 Oce Nederland Bv Transportinrichting.
US4397521A (en) * 1980-09-29 1983-08-09 Xerox Corporation Double pass optical system for raster scanners
US4355860A (en) * 1980-09-29 1982-10-26 Xerox Corporation Double pass scanning system
US4346984A (en) * 1980-10-20 1982-08-31 Xerox Corporation Document scanner
US4486786A (en) * 1981-09-08 1984-12-04 Canon Kabushiki Kaisha Original reading device
US4558313A (en) * 1981-12-31 1985-12-10 International Business Machines Corporation Indicator to data processing interface
US4737748A (en) * 1984-07-20 1988-04-12 Minolta Camera Kabushiki Kaisha Copying machine with selective illuminations
US4630276A (en) * 1984-10-09 1986-12-16 Aeronca Electronics, Inc. Compact laser scanning system
US4634267A (en) * 1985-02-14 1987-01-06 International Business Machines Corporation Photocopier scanning apparatus and method for adjustment
US4860060A (en) * 1988-04-08 1989-08-22 Tameran, Inc. Microfiche printing system and method
US5287147A (en) * 1991-01-25 1994-02-15 Canon Kabushiki Kaisha Original scanning apparatus with fixed light source
US5255116A (en) * 1991-02-18 1993-10-19 Canon Kabushiki Kaisha Original scanning apparatus
US5434370A (en) * 1993-11-05 1995-07-18 Microfield Graphics, Inc. Marking system with pen-up/pen-down tracking
US5585605A (en) * 1993-11-05 1996-12-17 Microfield Graphics, Inc. Optical-scanning system employing laser and laser safety control
US5583323A (en) * 1993-11-05 1996-12-10 Microfield Graphics, Inc. Calibration of graphic data-acquisition tracking system
US5506663A (en) * 1994-11-07 1996-04-09 Xerox Corporation Scanner mounting apparatus for an electrostatographic printing machine
US5634378A (en) * 1995-03-01 1997-06-03 Virginia Corporation Of Richmond, Inc. Portable scanning frame
US5532846A (en) * 1995-06-29 1996-07-02 Agfa Division, Bayer Corporation Method and apparatus for positioning a focusing lens
GB2318245A (en) * 1996-10-10 1998-04-15 Primax Electronics Ltd Transmission mechanism of scanning device
DE29805119U1 (de) * 1998-03-20 1998-05-28 Silitek Corporation, Taipeh Antriebsmechanismus für Flachbettscanner
DE29805117U1 (de) * 1998-03-20 1998-05-28 Silitek Corporation, Taipeh Antriebsmechanismus für Flachbettscanner
JP2001007996A (ja) * 1999-06-18 2001-01-12 Nec Corp 走査往復台
TW424401B (en) * 1999-08-12 2001-03-01 Avision Inc Double path optical mechanism of incremental pulley ratio type
ITMI20020104A1 (it) * 2002-01-22 2003-07-22 Milano Politecnico Sistema di posizionamento per acquisizione di dati
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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2478555A (en) * 1947-11-28 1949-08-09 Eastman Kodak Co Optical scanning device
US3346739A (en) * 1964-05-18 1967-10-10 Gen Precision Systems Inc Photosensitive character reading apparatus
US3594080A (en) * 1969-01-03 1971-07-20 Allied Res Ass Inc Method and apparatus for digital color printing

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2518615A1 (de) * 1975-04-26 1976-11-04 Agfa Gevaert Ag Facsimilegeraet
DE3336961A1 (de) * 1982-10-12 1984-04-12 Canon K.K., Tokyo Bildreproduktionseinrichtung
WO1992010903A1 (en) * 1990-12-07 1992-06-25 Intergraph Corporation Scanning beam control system with translated reference scale

Also Published As

Publication number Publication date
US3752558A (en) 1973-08-14
FR2143774A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-02-09
GB1397987A (en) 1975-06-18

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OHA Expiration of time for request for examination