GB9710382D0 - Auto-focus mechanism - Google Patents

Auto-focus mechanism

Info

Publication number
GB9710382D0
GB9710382D0 GBGB9710382.4A GB9710382A GB9710382D0 GB 9710382 D0 GB9710382 D0 GB 9710382D0 GB 9710382 A GB9710382 A GB 9710382A GB 9710382 D0 GB9710382 D0 GB 9710382D0
Authority
GB
United Kingdom
Prior art keywords
auto
focus mechanism
focus
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.)
Withdrawn
Application number
GBGB9710382.4A
Other versions
GB2325532A (en
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.)
Veutron Corp
Original Assignee
Umax Data System 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
Priority to AU23489/97A priority Critical patent/AU685728B1/en
Application filed by Umax Data System Inc filed Critical Umax Data System Inc
Priority to GB9710382A priority patent/GB2325532A/en
Publication of GB9710382D0 publication Critical patent/GB9710382D0/en
Publication of GB2325532A publication Critical patent/GB2325532A/en
Withdrawn legal-status Critical Current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
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/02409—Focusing, i.e. adjusting the focus of the scanning head
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • 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
    • H04N1/03—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array
    • 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
    • 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
    • H04N1/0405—Different formats, e.g. A3 and A4
    • 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
    • H04N1/0435—Optical element switching, e.g. switching lenses into a single optical path
    • 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
    • H04N1/19—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 multi-element arrays
    • H04N1/191—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 multi-element arrays the array comprising a one-dimensional array, or a combination of one-dimensional arrays, or a substantially one-dimensional array, e.g. an array of staggered elements
    • H04N1/192—Simultaneously or substantially simultaneously scanning picture elements on one main scanning line
    • H04N1/193—Simultaneously or substantially simultaneously scanning picture elements on one main scanning line using electrically scanned linear arrays, e.g. linear CCD arrays

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Facsimile Scanning Arrangements (AREA)
GB9710382A 1997-05-19 1997-05-20 Optical scanner Withdrawn GB2325532A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU23489/97A AU685728B1 (en) 1997-05-19 1997-05-19 Auto-focus mechanism
GB9710382A GB2325532A (en) 1997-05-19 1997-05-20 Optical scanner

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU23489/97A AU685728B1 (en) 1997-05-19 1997-05-19 Auto-focus mechanism
GB9710382A GB2325532A (en) 1997-05-19 1997-05-20 Optical scanner

Publications (2)

Publication Number Publication Date
GB9710382D0 true GB9710382D0 (en) 1997-07-16
GB2325532A GB2325532A (en) 1998-11-25

Family

ID=25618972

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9710382A Withdrawn GB2325532A (en) 1997-05-19 1997-05-20 Optical scanner

Country Status (2)

Country Link
AU (1) AU685728B1 (en)
GB (1) GB2325532A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6421079B1 (en) * 1996-02-21 2002-07-16 Eastman Kodak Company Film scanner
US6201619B1 (en) * 1998-06-18 2001-03-13 Agfa Corporation Autofocus process and system with fast multi-region sampling
JP2003125172A (en) * 2001-10-10 2003-04-25 Pfu Ltd Control method for image reader
JP3974767B2 (en) * 2001-10-10 2007-09-12 株式会社Ｐｆｕ Image reading device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0030686B1 (en) * 1979-12-17 1984-08-08 International Business Machines Corporation Optical element adjustment apparatus and method
US4427998A (en) * 1982-04-15 1984-01-24 Teletype Corporation Apparatus for adjusting a facsimile document scanner
JPS6046540A (en) * 1983-08-24 1985-03-13 Asahi Optical Co Ltd Focusing point magnification matching device of variable magnification copying machine
DK159088C (en) * 1988-04-06 1991-01-28 Oce Helioprint As SCANNING TO DETECT AN ORIGINAL
JPH06141224A (en) * 1992-10-23 1994-05-20 Casio Comput Co Ltd Automatic focusing adjusting device

Also Published As

Publication number Publication date
GB2325532A (en) 1998-11-25
AU685728B1 (en) 1998-01-22

Similar Documents

Publication Publication Date Title
GB9703156D0 (en) Optical element
GB9703426D0 (en) Release mechanism
GB9702123D0 (en) Optical components
GB9722250D0 (en) Optical components
IL122534A0 (en) Projector
GB9710382D0 (en) Auto-focus mechanism
GB2329258B (en) Camera
SG60219A1 (en) Camera
GB9411300D0 (en) Lens mechanism
GB2340805B (en) Mirror mechanism
GB9715117D0 (en) Lenses
IL120726A0 (en) Autofocus system
GB2329809B (en) Camera arrangements
IL121172A0 (en) Shutter
PL319313A1 (en) Multiple-stop mechanism
GB2321113B (en) Camera
CA80235S (en) Camera
GB9812397D0 (en) Mechanism
GB9717359D0 (en) An engagement mechanism
GB2337297B (en) Release mechanism
GB9700583D0 (en) Positioning mechanism
TW357899U (en) Simplified camera
TW335910U (en) Camera
GB9701498D0 (en) Camera
TW327380U (en) Holding mechanism

Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)