CA2131327A1 - Lens Changeable Image Scanner and Lens Position Control Device in the Same - Google Patents

Lens Changeable Image Scanner and Lens Position Control Device in the Same

Info

Publication number
CA2131327A1
CA2131327A1 CA2131327A CA2131327A CA2131327A1 CA 2131327 A1 CA2131327 A1 CA 2131327A1 CA 2131327 A CA2131327 A CA 2131327A CA 2131327 A CA2131327 A CA 2131327A CA 2131327 A1 CA2131327 A1 CA 2131327A1
Authority
CA
Canada
Prior art keywords
lens
image scanner
base
position control
control device
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.)
Granted
Application number
CA2131327A
Other languages
French (fr)
Other versions
CA2131327C (en
Inventor
Tadao Ohtsuka
Masao Shoda
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.)
Microtek International Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2131327A1 publication Critical patent/CA2131327A1/en
Application granted granted Critical
Publication of CA2131327C publication Critical patent/CA2131327C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04N1/0405—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
    • H04N1/024—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
    • H04N1/04—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
    • H04N1/0408—Different densities of dots per unit length
    • H04N1/0411—Different densities of dots per unit length in the main 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
    • H04N1/0435—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
    • H04N1/0449—Details of the method used using different sets of scanning elements, e.g. for different formats
    • H04N1/0452—Details of the method used using different sets of scanning elements, e.g. for different formats mounted on the same support or substrate
    • 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
    • H04N1/19—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
    • 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
    • H04N2201/0402—Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207
    • H04N2201/0418—Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207 capable of scanning transmissive and reflective originals at a single scanning station

Abstract

A lens position control mechanism and method in an image scanner converts a reading line density by changing over lenses. A base rotatable in a plane parallel to an original table is provided, and the lenses are supported on the base so that their optical axes are in a plane parallel to the base surface and intersect each other at a pivot. A proper kind of lens can be arranged at a proper position by controlling the rotation of the base in such a manner that a reference pattern is provided at a position at which it is readable by an image receiving element through the lens and a lens existing in an optical path is judged on the basis of a received image of the reference pattern to confirm the position of the lens. Thereby, an image scanner capable of changing over lenses at a high precision can be obtained without increasing the height of the image scanner.
CA002131327A 1993-01-12 1994-01-12 Lens changeable image scanner and lens position control device in the same Expired - Fee Related CA2131327C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP05-019702 1993-01-12
JP1970193 1993-01-12
JP05-019701 1993-01-12
JP1970293 1993-01-12

Publications (2)

Publication Number Publication Date
CA2131327A1 true CA2131327A1 (en) 1994-07-13
CA2131327C CA2131327C (en) 1999-04-13

Family

ID=26356543

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002131327A Expired - Fee Related CA2131327C (en) 1993-01-12 1994-01-12 Lens changeable image scanner and lens position control device in the same

Country Status (5)

Country Link
US (2) US5535040A (en)
EP (1) EP0635966B1 (en)
CA (1) CA2131327C (en)
DE (1) DE69413156T2 (en)
WO (1) WO1994016518A1 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5532846A (en) * 1995-06-29 1996-07-02 Agfa Division, Bayer Corporation Method and apparatus for positioning a focusing lens
US5633745A (en) * 1995-09-08 1997-05-27 Umax Data System Inc. To drive the optical system independently by CPU in flatbed scanners
US6421079B1 (en) * 1996-02-21 2002-07-16 Eastman Kodak Company Film scanner
US5872591A (en) * 1996-02-21 1999-02-16 Pakon, Inc. Film scanner
JPH1117884A (en) * 1997-06-20 1999-01-22 Pfu Ltd Original reader
TW421283U (en) * 1997-06-27 2001-02-01 Acer Peripherals Inc Photo scanner with variable magnification
US6201639B1 (en) 1998-03-20 2001-03-13 James W. Overbeck Wide field of view and high speed scanning microscopy
US5946123A (en) * 1998-03-17 1999-08-31 Lin; Bob Scan-range-changing mechanism of a scanner
US20020033988A1 (en) 1998-03-19 2002-03-21 Takashi Morita Scanner having a light beam incident position adjusting device
US6185030B1 (en) 1998-03-20 2001-02-06 James W. Overbeck Wide field of view and high speed scanning microscopy
US5969845A (en) * 1998-09-16 1999-10-19 Mustek Systems Inc. Device and method for determining resolution of a multiple resolution scanner
TW464022U (en) 1999-01-06 2001-11-11 Acer Peripherals Inc Scanner with switching lens function
US6603514B1 (en) * 1999-01-26 2003-08-05 Mustek Systems, Inc. Focus controlling method and system by evaluating a resolution index
US6611292B1 (en) * 1999-01-26 2003-08-26 Mustek Systems, Inc. Focus controlling method and system for an image capturing system
US6674560B2 (en) * 2001-08-03 2004-01-06 Umax Data Systems, Inc. Optical lens of optical scanner
FR2894685A1 (en) * 2005-12-09 2007-06-15 6115187 Canada Inc Internal marking device for dioptric or catadioptric optical device, e.g. for identifying and calibrating panoramic optical device, is based on marks, symbols or signs on lens surface not used in image projection
CN101374189B (en) * 2007-08-21 2011-02-02 致伸科技股份有限公司 Scanning apparatus with different resolutions
KR20150036973A (en) * 2013-09-30 2015-04-08 삼성전자주식회사 Image forming apparatus and method of controlling the same

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3741647A (en) * 1970-12-18 1973-06-26 Microcopy Inc Microfilm copier
US4050780A (en) * 1976-11-08 1977-09-27 Northern Telecom Limited Optical system for a scanning apparatus with reflector pairs at each end
JPS5471921A (en) * 1977-11-18 1979-06-08 Nec Corp Facsimile transmitter with optical system switching mechanism of similar unit
US4266855A (en) * 1979-09-24 1981-05-12 Quantor Corporation Quick change lens system
US4583845A (en) * 1980-12-22 1986-04-22 Lucht Engineering, Inc. Photographic printer
JPS58147275A (en) * 1982-02-26 1983-09-02 Canon Inc Reader of original
US4542983A (en) * 1983-09-29 1985-09-24 Xerox Corporation Multi-magnification reproduction device utilizing linear lens assembly
US4870453A (en) * 1988-08-15 1989-09-26 Kenichi Shimizu Magnification varying mechanism for image forming apparatus
JP2616022B2 (en) * 1989-07-08 1997-06-04 富士ゼロックス株式会社 Image reading device
JP2607726B2 (en) * 1990-04-02 1997-05-07 富士写真フイルム株式会社 Image processing device
US5099275A (en) * 1991-02-19 1992-03-24 Ray Hicks Lens positioning mechanism and method of using same

Also Published As

Publication number Publication date
DE69413156T2 (en) 1999-05-12
WO1994016518A1 (en) 1994-07-21
US5535040A (en) 1996-07-09
EP0635966A1 (en) 1995-01-25
EP0635966B1 (en) 1998-09-09
DE69413156D1 (en) 1998-10-15
EP0635966A4 (en) 1996-03-20
US5610755A (en) 1997-03-11
CA2131327C (en) 1999-04-13

Similar Documents

Publication Publication Date Title
CA2131327A1 (en) Lens Changeable Image Scanner and Lens Position Control Device in the Same
US5059019A (en) Laser framefinder
EP0027373A1 (en) Raster input scanner including at least one array of image viewing elements adjustably mounted on a support
US5784209A (en) Multi-axis optical lens
AU638451B2 (en) Small aperture multifocal
EP0352754A3 (en) Motor-controlled lens system
USRE29091E (en) Radiation-redistributive devices
JPS56164312A (en) Optical deflecting device
US20050051629A1 (en) Code reader
CA2144482A1 (en) Apparatus for dithering
EP0377454A3 (en) Image reading apparatus
EP0866353A3 (en) Document reader and method for adjusting its focus
US4775232A (en) Catadioptric projection lantern
JPH01274283A (en) Pattern reader
JPS57144514A (en) Scan optical system having fall compensating function
JPS52111736A (en) Scanning optical system with information beam take-out element
JPS58127462A (en) Solid-state image pickup element adjusting device
JPS5540459A (en) Focus adjusting method of optical system
JPS5636265A (en) Original reader
WO2001065304A3 (en) Scanning apparatus and method employing a lens spinning on an axis normal to the scan plane
JPH0437832A (en) Microreader device
JPS55114071A (en) Reader
JPS6474538A (en) Image reader
JPS6441397A (en) Three-dimensional image pickup device
JPS5787277A (en) Picture reader

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed