DE60112320D1 - System und verfahren zum optischen identifizieren von objekten - Google Patents

System und verfahren zum optischen identifizieren von objekten

Info

Publication number
DE60112320D1
DE60112320D1 DE60112320T DE60112320T DE60112320D1 DE 60112320 D1 DE60112320 D1 DE 60112320D1 DE 60112320 T DE60112320 T DE 60112320T DE 60112320 T DE60112320 T DE 60112320T DE 60112320 D1 DE60112320 D1 DE 60112320D1
Authority
DE
Germany
Prior art keywords
laser
detector
signals
objects
environment
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 - Lifetime
Application number
DE60112320T
Other languages
English (en)
Other versions
DE60112320T2 (de
Inventor
A Tatum
K Guenter
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.)
Honeywell International Inc
Original Assignee
Honeywell International 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
Application filed by Honeywell International Inc filed Critical Honeywell International Inc
Application granted granted Critical
Publication of DE60112320D1 publication Critical patent/DE60112320D1/de
Publication of DE60112320T2 publication Critical patent/DE60112320T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
    • H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
    • H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/02—Structural details or components not essential to laser action
    • H01S5/026—Monolithically integrated components, e.g. waveguides, monitoring photo-detectors, drivers
    • H01S5/0262—Photo-diodes, e.g. transceiver devices, bidirectional devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
    • H01S5/42—Arrays of surface emitting lasers
    • H01S5/423—Arrays of surface emitting lasers having a vertical cavity

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE60112320T 2000-11-28 2001-11-26 System und verfahren zum optischen identifizieren von objekten Expired - Lifetime DE60112320T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US724819 2000-11-28
US09/724,819 US6734981B1 (en) 2000-11-28 2000-11-28 Multiple laser optical systems and methods
PCT/US2001/044401 WO2002045214A2 (en) 2000-11-28 2001-11-26 System and method for optically sensing motion of objects

Publications (2)

Publication Number Publication Date
DE60112320D1 true DE60112320D1 (de) 2005-09-01
DE60112320T2 DE60112320T2 (de) 2006-06-29

Family

ID=24912043

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60112320T Expired - Lifetime DE60112320T2 (de) 2000-11-28 2001-11-26 System und verfahren zum optischen identifizieren von objekten

Country Status (9)

Country Link
US (1) US6734981B1 (de)
EP (1) EP1337873B1 (de)
JP (1) JP4355141B2 (de)
KR (1) KR100853742B1 (de)
AT (1) ATE300746T1 (de)
CA (1) CA2430337A1 (de)
DE (1) DE60112320T2 (de)
TW (1) TW512559B (de)
WO (1) WO2002045214A2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202007007160U1 (de) * 2007-05-19 2007-08-02 Leica Microsystems Nussloch Gmbh Vorrichtung zur Erzeugung von Dünnschnitten
US9740019B2 (en) 2010-02-02 2017-08-22 Apple Inc. Integrated structured-light projector
US8749796B2 (en) 2011-08-09 2014-06-10 Primesense Ltd. Projectors of structured light
CN203385981U (zh) * 2012-03-15 2014-01-08 普莱姆森斯有限公司 结构光的投影机
JP6247842B2 (ja) * 2013-06-12 2017-12-13 パイオニア株式会社 検出装置
US10153614B1 (en) 2017-08-31 2018-12-11 Apple Inc. Creating arbitrary patterns on a 2-D uniform grid VCSEL array

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US566810A (en) 1896-09-01 Pipe-hanger
US4037157A (en) * 1976-04-05 1977-07-19 The United States Of America As Represented By The Secretary Of The Interior Electro-optical speed transducer
JPS544603U (de) * 1977-06-13 1979-01-12
JPS5435495U (de) 1977-07-29 1979-03-08
US4373804A (en) 1979-04-30 1983-02-15 Diffracto Ltd. Method and apparatus for electro-optically determining the dimension, location and attitude of objects
EP0099453A3 (en) 1980-02-12 1984-08-22 Supermarket Systems Machine for the deconsignment of articles, such as bottles
US4509075A (en) 1981-06-15 1985-04-02 Oxbridge, Inc. Automatic optical inspection apparatus
WO1988000745A1 (en) 1986-07-24 1988-01-28 Keith Jeffrey Gate Detection system
JPH0175817U (de) * 1987-11-09 1989-05-23
US5166741A (en) * 1991-04-29 1992-11-24 Motorola, Inc. Optoelectronic speed/direction detector
US5266810A (en) 1992-04-14 1993-11-30 Imtec, Inc. Package height detector having a first group of light sensors selectively enabled by the detector outputs of a second group of light sensors
US5382785A (en) 1992-05-04 1995-01-17 Diolase Corporation Laser beam delivery path and target proximity sensor
US5835613A (en) 1992-05-05 1998-11-10 Automotive Technologies International, Inc. Optical identification and monitoring system using pattern recognition for use with vehicles
DE4404483A1 (de) 1994-02-12 1995-08-17 Junghans Gmbh Geb Verfahren zur Erkennung von Gegenständen
US5793485A (en) 1995-03-20 1998-08-11 Sandia Corporation Resonant-cavity apparatus for cytometry or particle analysis
US5635724A (en) 1995-06-07 1997-06-03 Intecolor Method and apparatus for detecting the location of an object on a surface
AUPN744696A0 (en) 1996-01-05 1996-02-01 Appleyard, Thomas John Safety apparatus and protection method for machines
US6091504A (en) 1998-05-21 2000-07-18 Square One Technology, Inc. Method and apparatus for measuring gas concentration using a semiconductor laser
US6288644B1 (en) 1998-09-01 2001-09-11 Caretaker System, Inc. Perimeter monitoring system
US6203985B1 (en) 1998-09-08 2001-03-20 Motorola, Inc. Bio-molecule analyzer with photosensitive material and fabrication
DE19843176C1 (de) * 1998-09-21 2000-10-19 Siemens Ag Optischer Encoder zur Erfassung von Dreh- und Linearbewegungen
US6115111A (en) 1998-10-05 2000-09-05 Korah; John K. Semiconductor laser based sensing device
US6353502B1 (en) 2000-06-13 2002-03-05 Eastman Kodak Company VCSEL field correction

Also Published As

Publication number Publication date
DE60112320T2 (de) 2006-06-29
JP4355141B2 (ja) 2009-10-28
WO2002045214A2 (en) 2002-06-06
KR100853742B1 (ko) 2008-08-25
US6734981B1 (en) 2004-05-11
WO2002045214A3 (en) 2002-11-28
EP1337873A2 (de) 2003-08-27
KR20030060959A (ko) 2003-07-16
EP1337873B1 (de) 2005-07-27
ATE300746T1 (de) 2005-08-15
JP2004514917A (ja) 2004-05-20
CA2430337A1 (en) 2002-06-06
TW512559B (en) 2002-12-01

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Legal Events

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8364 No opposition during term of opposition