WO1994019766A3 - Method and apparatus for illumination and imaging of a surface - Google Patents
Method and apparatus for illumination and imaging of a surface Download PDFInfo
- Publication number
- WO1994019766A3 WO1994019766A3 PCT/US1994/001803 US9401803W WO9419766A3 WO 1994019766 A3 WO1994019766 A3 WO 1994019766A3 US 9401803 W US9401803 W US 9401803W WO 9419766 A3 WO9419766 A3 WO 9419766A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- image
- obtaining
- illumination
- polarizing film
- ccd
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10712—Fixed beam scanning
- G06K7/10722—Photodetector array or CCD scanning
- G06K7/10732—Light sources
Abstract
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002190189A CA2190189C (en) | 1993-02-19 | 1994-02-18 | Method and apparatus for illumination and imaging of a surface |
CA002190190A CA2190190C (en) | 1993-02-19 | 1994-02-18 | Method and apparatus for illumination and imaging of a surface |
DE69418598T DE69418598T2 (en) | 1993-02-19 | 1994-02-18 | METHOD AND DEVICE FOR LIGHTING AND IMAGING A SURFACE |
DK94910141T DK0685092T3 (en) | 1993-02-19 | 1994-02-18 | Method and apparatus for illuminating and imaging a surface |
EP94910141A EP0685092B1 (en) | 1993-02-19 | 1994-02-18 | Method and apparatus for illumination and imaging of a surface |
AU62697/94A AU6269794A (en) | 1993-02-19 | 1994-02-18 | Method and apparatus for illumination and imaging of a surface |
JP6519188A JP2895236B2 (en) | 1993-02-19 | 1994-02-18 | Surface illumination and image reading method and apparatus |
GR990402016T GR3030935T3 (en) | 1993-02-19 | 1999-08-10 | Method and apparatus for illumination and imaging of a surface. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/020,295 | 1993-02-19 | ||
US08/020,295 US5399852A (en) | 1993-02-19 | 1993-02-19 | Method and apparatus for illumination and imaging of a surface employing cross polarization |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1994019766A2 WO1994019766A2 (en) | 1994-09-01 |
WO1994019766A3 true WO1994019766A3 (en) | 1995-01-12 |
Family
ID=21797807
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1994/001803 WO1994019766A2 (en) | 1993-02-19 | 1994-02-18 | Method and apparatus for illumination and imaging of a surface |
Country Status (11)
Country | Link |
---|---|
US (3) | US5399852A (en) |
EP (1) | EP0685092B1 (en) |
JP (1) | JP2895236B2 (en) |
AT (1) | ATE180341T1 (en) |
AU (1) | AU6269794A (en) |
CA (1) | CA2156153C (en) |
DE (1) | DE69418598T2 (en) |
DK (1) | DK0685092T3 (en) |
ES (1) | ES2134933T3 (en) |
GR (1) | GR3030935T3 (en) |
WO (1) | WO1994019766A2 (en) |
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US5399852A (en) * | 1993-02-19 | 1995-03-21 | United Parcel Service Of America, Inc. | Method and apparatus for illumination and imaging of a surface employing cross polarization |
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US5825011A (en) * | 1994-12-26 | 1998-10-20 | Kabushiki Kaisha Tec | Handle like reading unit for use in code reading apparatus and having plural light reflectors and direct light shielding plate |
US5786586A (en) * | 1995-01-17 | 1998-07-28 | Welch Allyn, Inc. | Hand-held optical reader having a detachable lens-guide assembly |
US6045047A (en) * | 1995-01-17 | 2000-04-04 | Welch Allyn Data Collection, Inc. | Two-dimensional part reader having a focussing guide |
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JPH08329180A (en) * | 1995-06-05 | 1996-12-13 | Asahi Optical Co Ltd | Data symbol reader |
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US20020125411A1 (en) * | 2001-03-08 | 2002-09-12 | Christy Orrin D. | Method and apparatus for reducing specular reflection from a scannable surface |
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US7990556B2 (en) | 2004-12-03 | 2011-08-02 | Google Inc. | Association of a portable scanner with input/output and storage devices |
US9460346B2 (en) | 2004-04-19 | 2016-10-04 | Google Inc. | Handheld device for capturing text from both a document printed on paper and a document displayed on a dynamic display device |
US7219841B2 (en) | 2004-11-05 | 2007-05-22 | Hand Held Products, Inc. | Device and system for verifying quality of bar codes |
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US20070260886A1 (en) * | 2006-05-02 | 2007-11-08 | Labcal Technologies Inc. | Biometric authentication device having machine-readable-zone (MRZ) reading functionality and method for implementing same |
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-
1993
- 1993-02-19 US US08/020,295 patent/US5399852A/en not_active Expired - Lifetime
-
1994
- 1994-02-18 EP EP94910141A patent/EP0685092B1/en not_active Expired - Lifetime
- 1994-02-18 DE DE69418598T patent/DE69418598T2/en not_active Expired - Lifetime
- 1994-02-18 ES ES94910141T patent/ES2134933T3/en not_active Expired - Lifetime
- 1994-02-18 AU AU62697/94A patent/AU6269794A/en not_active Abandoned
- 1994-02-18 AT AT94910141T patent/ATE180341T1/en not_active IP Right Cessation
- 1994-02-18 WO PCT/US1994/001803 patent/WO1994019766A2/en active IP Right Grant
- 1994-02-18 DK DK94910141T patent/DK0685092T3/en active
- 1994-02-18 CA CA002156153A patent/CA2156153C/en not_active Expired - Lifetime
- 1994-02-18 JP JP6519188A patent/JP2895236B2/en not_active Expired - Lifetime
-
1995
- 1995-02-09 US US08/386,155 patent/US5567934A/en not_active Expired - Lifetime
- 1995-02-09 US US08/385,799 patent/US5517018A/en not_active Expired - Lifetime
-
1999
- 1999-08-10 GR GR990402016T patent/GR3030935T3/en unknown
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9268852B2 (en) | 2004-02-15 | 2016-02-23 | Google Inc. | Search engines and systems with handheld document data capture devices |
US9116890B2 (en) | 2004-04-01 | 2015-08-25 | Google Inc. | Triggering actions in response to optically or acoustically capturing keywords from a rendered document |
US9143638B2 (en) | 2004-04-01 | 2015-09-22 | Google Inc. | Data capture from rendered documents using handheld device |
US9454764B2 (en) | 2004-04-01 | 2016-09-27 | Google Inc. | Contextual dynamic advertising based upon captured rendered text |
US9514134B2 (en) | 2004-04-01 | 2016-12-06 | Google Inc. | Triggering actions in response to optically or acoustically capturing keywords from a rendered document |
US9633013B2 (en) | 2004-04-01 | 2017-04-25 | Google Inc. | Triggering actions in response to optically or acoustically capturing keywords from a rendered document |
US9275051B2 (en) | 2004-07-19 | 2016-03-01 | Google Inc. | Automatic modification of web pages |
US8874504B2 (en) | 2004-12-03 | 2014-10-28 | Google Inc. | Processing techniques for visual capture data from a rendered document |
US8903759B2 (en) | 2004-12-03 | 2014-12-02 | Google Inc. | Determining actions involving captured information and electronic content associated with rendered documents |
US8953886B2 (en) | 2004-12-03 | 2015-02-10 | Google Inc. | Method and system for character recognition |
US8990235B2 (en) | 2009-03-12 | 2015-03-24 | Google Inc. | Automatically providing content associated with captured information, such as information captured in real-time |
US9323784B2 (en) | 2009-12-09 | 2016-04-26 | Google Inc. | Image search using text-based elements within the contents of images |
Also Published As
Publication number | Publication date |
---|---|
US5567934A (en) | 1996-10-22 |
WO1994019766A2 (en) | 1994-09-01 |
EP0685092A1 (en) | 1995-12-06 |
GR3030935T3 (en) | 1999-11-30 |
JP2895236B2 (en) | 1999-05-24 |
DE69418598D1 (en) | 1999-06-24 |
AU6269794A (en) | 1994-09-14 |
DE69418598T2 (en) | 1999-11-18 |
CA2156153C (en) | 1999-04-13 |
US5399852A (en) | 1995-03-21 |
JPH08506678A (en) | 1996-07-16 |
DK0685092T3 (en) | 1999-11-22 |
CA2156153A1 (en) | 1994-09-01 |
ES2134933T3 (en) | 1999-10-16 |
ATE180341T1 (en) | 1999-06-15 |
US5517018A (en) | 1996-05-14 |
EP0685092B1 (en) | 1999-05-19 |
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