KR100853742B1 - 물체의 움직임을 광학적으로 감지하기 위한 시스템 및 방법 - Google Patents

물체의 움직임을 광학적으로 감지하기 위한 시스템 및 방법 Download PDF

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Publication number
KR100853742B1
KR100853742B1 KR1020037007191A KR20037007191A KR100853742B1 KR 100853742 B1 KR100853742 B1 KR 100853742B1 KR 1020037007191 A KR1020037007191 A KR 1020037007191A KR 20037007191 A KR20037007191 A KR 20037007191A KR 100853742 B1 KR100853742 B1 KR 100853742B1
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South Korea
Prior art keywords
laser
target
signals
detector
cavity surface
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Expired - Fee Related
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KR1020037007191A
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English (en)
Korean (ko)
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KR20030060959A (ko
Inventor
테이툼지미에이.
젠터제임스케이.
Original Assignee
허니웰 인터내셔널 인코포레이티드
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Publication of KR20030060959A publication Critical patent/KR20030060959A/ko
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Publication of KR100853742B1 publication Critical patent/KR100853742B1/ko
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    • 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

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Semiconductor Lasers (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
KR1020037007191A 2000-11-28 2001-11-26 물체의 움직임을 광학적으로 감지하기 위한 시스템 및 방법 Expired - Fee Related KR100853742B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/724,819 US6734981B1 (en) 2000-11-28 2000-11-28 Multiple laser optical systems and methods
US09/724,819 2000-11-28
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
KR20030060959A KR20030060959A (ko) 2003-07-16
KR100853742B1 true KR100853742B1 (ko) 2008-08-25

Family

ID=24912043

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020037007191A Expired - Fee Related KR100853742B1 (ko) 2000-11-28 2001-11-26 물체의 움직임을 광학적으로 감지하기 위한 시스템 및 방법

Country Status (9)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200043952A (ko) * 2012-03-15 2020-04-28 애플 인크. 구조형 광의 프로젝터

Families Citing this family (5)

* 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
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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US566810A (en) 1896-09-01 Pipe-hanger
US5635724A (en) 1995-06-07 1997-06-03 Intecolor Method and apparatus for detecting the location of an object on a surface
US5793485A (en) 1995-03-20 1998-08-11 Sandia Corporation Resonant-cavity apparatus for cytometry or particle analysis

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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 (https=) * 1977-06-13 1979-01-12
JPS5435495U (https=) 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 (https=) * 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
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US566810A (en) 1896-09-01 Pipe-hanger
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200043952A (ko) * 2012-03-15 2020-04-28 애플 인크. 구조형 광의 프로젝터
KR102231081B1 (ko) * 2012-03-15 2021-03-23 애플 인크. 구조형 광의 프로젝터

Also Published As

Publication number Publication date
JP4355141B2 (ja) 2009-10-28
EP1337873B1 (en) 2005-07-27
DE60112320D1 (de) 2005-09-01
DE60112320T2 (de) 2006-06-29
WO2002045214A3 (en) 2002-11-28
US6734981B1 (en) 2004-05-11
CA2430337A1 (en) 2002-06-06
TW512559B (en) 2002-12-01
KR20030060959A (ko) 2003-07-16
ATE300746T1 (de) 2005-08-15
WO2002045214A2 (en) 2002-06-06
JP2004514917A (ja) 2004-05-20
EP1337873A2 (en) 2003-08-27

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