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AU2002222272A1 - Optical sensor device and method for spectral analysis - Google Patents

Optical sensor device and method for spectral analysis

Info

Publication number
AU2002222272A1
AU2002222272A1 AU2002222272A AU2227202A AU2002222272A1 AU 2002222272 A1 AU2002222272 A1 AU 2002222272A1 AU 2002222272 A AU2002222272 A AU 2002222272A AU 2227202 A AU2227202 A AU 2227202A AU 2002222272 A1 AU2002222272 A1 AU 2002222272A1
Authority
AU
Australia
Prior art keywords
array
diffraction grating
detection
spectra
pitch
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.)
Abandoned
Application number
AU2002222272A
Inventor
Michael Stuart Hazel
Robert Jones
Hansjorg Klock
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.)
Cambridge Consultants Ltd
Original Assignee
Cambridge Consultants Ltd
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 Cambridge Consultants Ltd filed Critical Cambridge Consultants Ltd
Publication of AU2002222272A1 publication Critical patent/AU2002222272A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
    • G01J3/0208—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using focussing or collimating elements, e.g. lenses or mirrors; performing aberration correction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
    • G01J3/0229—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using masks, aperture plates, spatial light modulators or spatial filters, e.g. reflective filters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0294—Multi-channel spectroscopy
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/04—Slit arrangements slit adjustment
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/12—Generating the spectrum; Monochromators
    • G01J3/18—Generating the spectrum; Monochromators using diffraction elements, e.g. grating
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/2803—Investigating the spectrum using photoelectric array detector
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/06—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using wave or particle radiation
    • G07D7/12—Visible light, infrared or ultraviolet radiation
    • G07D7/1205—Testing spectral properties

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Spectrometry And Color Measurement (AREA)

Abstract

An optical detection device for validating bank notes has several input apertures, an imagine device ( 12 ), a diffraction grating ( 15.1, 15.2, 15.3 ) associated with each input aperture ( 11.1, 11.2, 11.3 ) and a detection array ( 17 ). The diffraction grating ( 15.1, 15.2, 15.3 ) is rotated at angle of e.g. 45 degrees relative to the orientation of the linear detection array ( 17 ). This arrangement enables the spectra of multiple points to be measured simultaneously. The angle of rotation, the pitch of the apertures ( 11.1, 11.2, 11.3 ) and a pitch of the diffraction grating (15.1, 15.2, 15.3) are selected in such a way that the spectra of said multiple points are contiguously mapped onto the detection array ( 17 ) having a single linear array of color sensitive detection pixels. The axis of the linear array is offset with respect to an optical axis ( 7 ) of the optical detection device.
AU2002222272A 2000-12-21 2001-12-18 Optical sensor device and method for spectral analysis Abandoned AU2002222272A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP00311560 2000-12-21
EP00311560 2000-12-21
PCT/GB2001/005630 WO2002050783A1 (en) 2000-12-21 2001-12-18 Optical sensor device and method for spectral analysis

Publications (1)

Publication Number Publication Date
AU2002222272A1 true AU2002222272A1 (en) 2002-07-01

Family

ID=8173483

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002222272A Abandoned AU2002222272A1 (en) 2000-12-21 2001-12-18 Optical sensor device and method for spectral analysis

Country Status (7)

Country Link
US (1) US7057723B2 (en)
EP (1) EP1344193B1 (en)
AT (1) ATE366446T1 (en)
AU (1) AU2002222272A1 (en)
DE (1) DE60129247T2 (en)
ES (1) ES2288497T3 (en)
WO (1) WO2002050783A1 (en)

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US6954271B2 (en) 2001-10-10 2005-10-11 Analytical Spectral Devices, Inc. System and method for multiplexing inputs into a single spectrometer
DE102004035494A1 (en) * 2004-07-22 2006-02-09 Giesecke & Devrient Gmbh Device and method for checking value documents
CN100405391C (en) * 2005-10-14 2008-07-23 北京海鑫科金高科技股份有限公司 Living body fingerprint collecting method and apparatus
DE102006017256A1 (en) * 2006-04-12 2007-10-18 Giesecke & Devrient Gmbh Optical examination device for value documents, has coverage area, spectrographic equipment, detection device terminating in spatial direction for detecting spectral components
AU2007237486A1 (en) * 2006-04-12 2007-10-25 Giesecke & Devrient Gmbh Apparatus and method for optically examining security documents
JP5093877B2 (en) 2006-09-29 2012-12-12 株式会社ユニバーサルエンターテインメント Paper sheet identification device
DE102007019107A1 (en) * 2007-04-23 2008-10-30 Giesecke & Devrient Gmbh Method and device for checking value documents
US20090033755A1 (en) * 2007-08-03 2009-02-05 Tandent Vision Science, Inc. Image acquisition and processing engine for computer vision
JP2014066732A (en) * 2009-03-30 2014-04-17 Ricoh Co Ltd Spectral characteristic acquisition device
JP5440110B2 (en) 2009-03-30 2014-03-12 株式会社リコー Spectral characteristic acquisition apparatus, spectral characteristic acquisition method, image evaluation apparatus, and image forming apparatus
JP2010261861A (en) * 2009-05-08 2010-11-18 Ricoh Co Ltd Spectral characteristic acquisition device, image evaluation device, and image forming device
JP5655437B2 (en) * 2009-09-14 2015-01-21 株式会社リコー Spectral characteristics acquisition device
JP5609068B2 (en) * 2009-11-04 2014-10-22 株式会社リコー Spectrometer, image evaluation apparatus, and image forming apparatus
JP2011145233A (en) * 2010-01-18 2011-07-28 Kinki Univ Spectroscopic device
JP5609611B2 (en) * 2010-03-11 2014-10-22 株式会社リコー Spectral characteristic acquisition device, image evaluation device, and image forming device
JP5644296B2 (en) * 2010-09-13 2014-12-24 株式会社リコー Spectral characteristic acquisition device, image evaluation device, and image forming device
JP5652183B2 (en) * 2010-12-10 2015-01-14 株式会社リコー Image characteristic measuring apparatus and image forming apparatus
JP5645017B2 (en) * 2011-02-04 2014-12-24 株式会社リコー Spectroscopic measurement apparatus, image evaluation apparatus, and image forming apparatus
JP5717052B2 (en) * 2011-04-25 2015-05-13 株式会社リコー Spectroscopic measurement apparatus, image evaluation apparatus, and image forming apparatus
CN102169608B (en) * 2011-05-27 2013-03-13 徐端全 Processing method of multispectral paper currency detector
JP5884347B2 (en) 2011-09-12 2016-03-15 株式会社リコー Spectral characteristic acquisition apparatus, spectral characteristic acquisition method, image evaluation apparatus, and image forming apparatus
JP5880053B2 (en) 2012-01-12 2016-03-08 株式会社リコー Spectral characteristic acquisition apparatus and image forming apparatus
JP5834938B2 (en) 2012-01-17 2015-12-24 株式会社リコー Spectral characteristic acquisition apparatus, image evaluation apparatus, image forming apparatus, and spectral characteristic acquisition method
JP6051543B2 (en) 2012-03-09 2016-12-27 株式会社リコー Spectroscopic measurement apparatus, image evaluation apparatus, and image forming apparatus
JP5910989B2 (en) 2012-03-09 2016-04-27 株式会社リコー Spectroscopic measurement apparatus, image evaluation apparatus, and image forming apparatus
JP6107187B2 (en) * 2013-02-05 2017-04-05 株式会社リコー Spectral characteristic acquisition device, image evaluation device, and image forming device
JP6311267B2 (en) * 2013-05-10 2018-04-18 株式会社リコー Spectral characteristic acquisition device, image evaluation device, image forming device
JP6232831B2 (en) 2013-08-15 2017-11-22 株式会社リコー Spectral characteristic acquisition device, image evaluation device, and image forming device
JP6292052B2 (en) * 2014-06-25 2018-03-14 株式会社リコー Image characteristic measuring device, image evaluation device, image forming device
CN104200566B (en) * 2014-09-11 2018-04-20 广州广电运通金融电子股份有限公司 Banknote recognition methods and cleaning-sorting machine under the conditions of a kind of dust stratification based on cleaning-sorting machine
CN104331978B (en) * 2014-11-19 2017-02-01 广州广电运通金融电子股份有限公司 Recognition device and method for fold of paper currency
JP6669383B2 (en) * 2015-10-09 2020-03-18 キヤノン株式会社 Measuring device, image forming device and image measuring device
JP7087735B2 (en) * 2018-06-29 2022-06-21 株式会社リコー Spectroscopic property acquisition device, image forming device, and management system for image forming device

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DE59208542D1 (en) 1991-10-14 1997-07-03 Mars Inc Device for optical recognition of documents
JPH06241897A (en) 1993-02-12 1994-09-02 Mitsubishi Heavy Ind Ltd Spectroscope
DE19517194A1 (en) 1995-05-11 1996-11-14 Giesecke & Devrient Gmbh Device and method for checking sheet material, e.g. Banknotes or securities
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US5724135A (en) * 1996-03-27 1998-03-03 The United States Of America As Represented By The Secretary Of The Navy Hyper-spectral imaging using rotational spectro-tomography
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US6552788B1 (en) * 2001-07-09 2003-04-22 Ruda & Associates Hyperspectral imaging using linear chromatic aberration
US6952260B2 (en) * 2001-09-07 2005-10-04 Jian Ming Xiao Double grating three dimensional spectrograph

Also Published As

Publication number Publication date
WO2002050783A1 (en) 2002-06-27
EP1344193B1 (en) 2007-07-04
EP1344193A1 (en) 2003-09-17
DE60129247T2 (en) 2008-03-13
DE60129247D1 (en) 2007-08-16
ATE366446T1 (en) 2007-07-15
US7057723B2 (en) 2006-06-06
US20040061855A1 (en) 2004-04-01
ES2288497T3 (en) 2008-01-16

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