DE10349598B8 - Hubende-Focusverschiebung bei einem optischen Bildscanner - Google Patents

Hubende-Focusverschiebung bei einem optischen Bildscanner Download PDF

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Publication number
DE10349598B8
DE10349598B8 DE10349598A DE10349598A DE10349598B8 DE 10349598 B8 DE10349598 B8 DE 10349598B8 DE 10349598 A DE10349598 A DE 10349598A DE 10349598 A DE10349598 A DE 10349598A DE 10349598 B8 DE10349598 B8 DE 10349598B8
Authority
DE
Germany
Prior art keywords
optical image
image scanner
focus shift
stroke focus
stroke
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 - Fee Related
Application number
DE10349598A
Other languages
English (en)
Other versions
DE10349598B4 (de
DE10349598A1 (de
Inventor
Kevin J. Greeley Youngers
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.)
Hewlett Packard Development Co LP
Original Assignee
Hewlett Packard Development Co LP
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 Hewlett Packard Development Co LP filed Critical Hewlett Packard Development Co LP
Publication of DE10349598A1 publication Critical patent/DE10349598A1/de
Application granted granted Critical
Publication of DE10349598B4 publication Critical patent/DE10349598B4/de
Publication of DE10349598B8 publication Critical patent/DE10349598B8/de
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
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/02409—Focusing, i.e. adjusting the focus of the scanning head
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Heads (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)
DE10349598A 2003-02-20 2003-10-24 Hubende-Focusverschiebung bei einem optischen Bildscanner Expired - Fee Related DE10349598B8 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/370671 2003-02-20
US10/370,671 US7055743B2 (en) 2003-02-20 2003-02-20 End-of-travel focus shift in an optical image scanner

Publications (3)

Publication Number Publication Date
DE10349598A1 DE10349598A1 (de) 2004-09-09
DE10349598B4 DE10349598B4 (de) 2008-07-03
DE10349598B8 true DE10349598B8 (de) 2008-10-16

Family

ID=31993830

Family Applications (1)

Application Number Title Priority Date Filing Date
DE10349598A Expired - Fee Related DE10349598B8 (de) 2003-02-20 2003-10-24 Hubende-Focusverschiebung bei einem optischen Bildscanner

Country Status (3)

Country Link
US (1) US7055743B2 (de)
DE (1) DE10349598B8 (de)
GB (1) GB2399973B (de)

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* Cited by examiner, † Cited by third party
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US20040075876A1 (en) * 2002-10-18 2004-04-22 Toshiba Tec Kabushiki Kaisha Image reading apparatus and image forming apparatus
US7251062B2 (en) * 2003-02-20 2007-07-31 Hewlett-Packard Development Company, L.P. End-of-travel focus shift in an optical image scanner
US7352498B2 (en) * 2003-08-11 2008-04-01 Hewlett-Packard Development Company, L.P. Optical image scanner with adjustable object plane
TWI236274B (en) * 2003-11-05 2005-07-11 Benq Corp Scanning apparatus having adjusting means for optical module
GB2425431A (en) * 2005-04-14 2006-10-25 Half Minute Media Ltd Video entity recognition in compressed digital video streams
JP4259543B2 (ja) * 2006-05-16 2009-04-30 ブラザー工業株式会社 画像読取装置
KR20100082199A (ko) * 2009-01-08 2010-07-16 삼성전자주식회사 스캐너 및 이를 포함하는 화상형성장치

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Publication number Priority date Publication date Assignee Title
JP2002044384A (ja) * 2000-07-27 2002-02-08 Seiko Epson Corp 画像読み取り装置

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US5742326A (en) 1993-09-28 1998-04-21 Nikon Corporation Focus adjustable image reading device for calculating a focus position of a source document
US6037968A (en) 1993-11-09 2000-03-14 Markem Corporation Scanned marking of workpieces
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JPH07203133A (ja) * 1994-01-10 1995-08-04 Fujitsu Ltd 読取・印字装置
US5610731A (en) * 1994-04-18 1997-03-11 Ricoh Company, Ltd. Image scanner having contact-type image sensor movable under automatic document feeder
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US5878152A (en) 1997-05-21 1999-03-02 Cognex Corporation Depth from focal gradient analysis using object texture removal by albedo normalization
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JP3885512B2 (ja) * 2001-04-13 2007-02-21 富士ゼロックス株式会社 画像読取装置
US6940063B2 (en) * 2001-07-31 2005-09-06 Hewlett-Packard Development Company, L.P. Optical image scanner with variable focus
TW537560U (en) * 2001-12-19 2003-06-11 Avision Inc Scanning module with an adjustable height
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US7251062B2 (en) * 2003-02-20 2007-07-31 Hewlett-Packard Development Company, L.P. End-of-travel focus shift in an optical image scanner
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Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002044384A (ja) * 2000-07-27 2002-02-08 Seiko Epson Corp 画像読み取り装置

Also Published As

Publication number Publication date
US7055743B2 (en) 2006-06-06
DE10349598B4 (de) 2008-07-03
GB2399973B (en) 2006-04-12
DE10349598A1 (de) 2004-09-09
GB0402351D0 (en) 2004-03-10
GB2399973A (en) 2004-09-29
US20040164153A1 (en) 2004-08-26

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8396 Reprint of erroneous front page
8364 No opposition during term of opposition
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee

Effective date: 20130501