NO20011684D0 - Halvlederlaser-basert avfölingsinnretning - Google Patents

Halvlederlaser-basert avfölingsinnretning

Info

Publication number
NO20011684D0
NO20011684D0 NO20011684A NO20011684A NO20011684D0 NO 20011684 D0 NO20011684 D0 NO 20011684D0 NO 20011684 A NO20011684 A NO 20011684A NO 20011684 A NO20011684 A NO 20011684A NO 20011684 D0 NO20011684 D0 NO 20011684D0
Authority
NO
Norway
Prior art keywords
laser
target object
electrical characteristics
amount
semiconductor
Prior art date
Application number
NO20011684A
Other languages
English (en)
Other versions
NO20011684L (no
Inventor
John K Korah
Kristina M Johnson
Valentin Morozov
Chong Chang Mao
Original Assignee
Univ Technology Corp
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 Univ Technology Corp filed Critical Univ Technology Corp
Publication of NO20011684D0 publication Critical patent/NO20011684D0/no
Publication of NO20011684L publication Critical patent/NO20011684L/no

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/08—Systems determining position data of a target for measuring distance only
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00—Measuring distances in line of sight; Optical rangefinders
    • G01C3/02—Details
    • G01C3/06—Use of electric means to obtain final indication
    • G01C3/08—Use of electric radiation detectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/491—Details of non-pulse systems
    • G01S7/4912—Receivers
    • G01S7/4916—Receivers using self-mixing in the laser cavity

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Optics & Photonics (AREA)
  • Measurement Of Optical Distance (AREA)
  • Length Measuring Devices By Optical Means (AREA)
NO20011684A 1998-10-05 2001-04-04 Halvlederlaser-basert avfölingsinnretning NO20011684L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/166,287 US6115111A (en) 1998-10-05 1998-10-05 Semiconductor laser based sensing device
PCT/US1999/020894 WO2000020825A1 (en) 1998-10-05 1999-09-28 Semiconductor laser based sensing device

Publications (2)

Publication Number Publication Date
NO20011684D0 true NO20011684D0 (no) 2001-04-04
NO20011684L NO20011684L (no) 2001-05-30

Family

ID=22602625

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20011684A NO20011684L (no) 1998-10-05 2001-04-04 Halvlederlaser-basert avfölingsinnretning

Country Status (7)

Country Link
US (1) US6115111A (no)
EP (1) EP1131600A4 (no)
KR (1) KR20010085896A (no)
AU (1) AU766456B2 (no)
NO (1) NO20011684L (no)
NZ (1) NZ511043A (no)
WO (1) WO2000020825A1 (no)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6336587B1 (en) 1998-10-19 2002-01-08 Symbol Technologies, Inc. Optical code reader for producing video displays and measuring physical parameters of objects
US6820979B1 (en) 1999-04-23 2004-11-23 Neuroptics, Inc. Pupilometer with pupil irregularity detection, pupil tracking, and pupil response detection capability, glaucoma screening capability, intracranial pressure detection capability, and ocular aberration measurement capability
US6116736A (en) * 1999-04-23 2000-09-12 Neuroptics, Inc. Pupilometer with pupil irregularity detection capability
US6624899B1 (en) * 2000-06-29 2003-09-23 Schmitt Measurement Systems, Inc. Triangulation displacement sensor
US6734981B1 (en) 2000-11-28 2004-05-11 Honeywell International Inc. Multiple laser optical systems and methods
US6875993B2 (en) 2001-04-12 2005-04-05 Honeywell International Inc. Systems and methods for optically detecting and identifying objects in an environment
US20030015591A1 (en) * 2001-07-17 2003-01-23 Chen Bo Su Transmissive apparatus and method for optically sensing relative torque employing moire fringes
US6817528B2 (en) * 2001-07-17 2004-11-16 Honeywell International Inc. Reflective apparatus and method for optically sensing relative torque employing Moirè fringes
US6950568B2 (en) * 2002-02-14 2005-09-27 Varian, Inc. Fiber-optic channel selecting apparatus
US6741364B2 (en) 2002-08-13 2004-05-25 Harris Corporation Apparatus for determining relative positioning of objects and related methods
US20050078775A1 (en) * 2002-09-23 2005-04-14 Martin Hellmark Mitigating the impact of phase steps
US7161664B2 (en) * 2004-04-13 2007-01-09 Electronic Scripting Products, Inc. Apparatus and method for optical determination of intermediate distances
JP5016245B2 (ja) * 2005-03-29 2012-09-05 ライカ・ゲオジステームス・アクチェンゲゼルシャフト 物体の六つの自由度を求めるための測定システム
DE102006040636B3 (de) * 2006-05-15 2007-12-20 Leica Microsystems (Schweiz) Ag Autofokus-System und Verfahren zum Autofokussieren
US8393734B2 (en) 2007-09-14 2013-03-12 Neuroptics, Inc. Pupilary screening method and system
WO2010062400A1 (en) * 2008-11-28 2010-06-03 Neuroptics, Inc. Methods, systems, and devices for monitoring anisocoria and asymmetry of pupillary reaction to stimulus
US10739460B2 (en) 2010-08-11 2020-08-11 Apple Inc. Time-of-flight detector with single-axis scan
DE102011076491A1 (de) * 2011-05-26 2012-11-29 Esw Gmbh Messeinrichtung zur Distanzmessung
DE102011082349B3 (de) 2011-09-08 2013-01-10 Sirona Dental Systems Gmbh Verfahren und Vorrichtung zur dreidimensionalen konfokalen Vermessung
KR101762525B1 (ko) * 2013-03-15 2017-07-27 애플 인크. 다수의 이미터들을 이용한 깊이 주사를 위한 장치 및 방법
US10324171B2 (en) 2015-12-20 2019-06-18 Apple Inc. Light detection and ranging sensor
US10298913B2 (en) 2016-08-18 2019-05-21 Apple Inc. Standalone depth camera

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3567320A (en) * 1968-12-23 1971-03-02 Optomechanisms Inc Non-contact optical measuring probe
GB1325439A (en) * 1969-11-05 1973-08-01 Image Analysing Computers Ltd Focusing
SE373214B (no) * 1972-03-17 1975-01-27 B Olsen
US3937575A (en) * 1973-11-26 1976-02-10 Martin Marietta Corporation Electro-optical ranging means
US4000417A (en) * 1975-08-25 1976-12-28 Honeywell Inc. Scanning microscope system with automatic cell find and autofocus
US4588297A (en) * 1982-06-14 1986-05-13 Nippon Steel Corporation Optical profile measuring method
US4666295A (en) * 1983-03-17 1987-05-19 Hughes Aircraft Company Linear FM chirp laser
EP0283256A3 (en) * 1987-03-18 1990-02-07 Tektronix Inc. Scanning optical microscope
US4927263A (en) * 1988-08-15 1990-05-22 The Perkin-Elmer Corporation Position and velocity imaging system using 2-D laser diode array
US5229828A (en) * 1989-04-06 1993-07-20 Geotronics Ab Arrangement for establishing or defining the position of a measuring point
US5020901A (en) * 1990-01-30 1991-06-04 The Perkin-Elmer Corporation Multimode laser diode system for range measurement
US5285466A (en) * 1992-05-20 1994-02-08 Wisconsin Alumni Research Foundation Feedback mechanism for vertical cavity surface emitting lasers
US5619318A (en) * 1993-08-10 1997-04-08 Olympus Optical Co., Ltd. Optical displacement sensor
US5563710A (en) * 1994-10-28 1996-10-08 The Schepens Eye Research Institute, Inc. Imaging system with confocally self-detecting laser
US5491712A (en) * 1994-10-31 1996-02-13 Lin; Hong Integration of surface emitting laser and photodiode for monitoring power output of surface emitting laser
US5648979A (en) * 1995-12-29 1997-07-15 Samsung Electronics Co. Ltd. Assembly of VCSEL light source and VCSEL optical detector

Also Published As

Publication number Publication date
EP1131600A1 (en) 2001-09-12
NO20011684L (no) 2001-05-30
WO2000020825A1 (en) 2000-04-13
AU766456B2 (en) 2003-10-16
KR20010085896A (ko) 2001-09-07
NZ511043A (en) 2003-12-19
US6115111A (en) 2000-09-05
EP1131600A4 (en) 2010-03-17
AU6386699A (en) 2000-04-26

Similar Documents

Publication Publication Date Title
NO20011684D0 (no) Halvlederlaser-basert avfölingsinnretning
US6833909B2 (en) Device for optical distance measurement of distance over a large measuring range
US10466040B2 (en) Sensor device for measuring a surface
EP2439489A3 (en) Apparatus for imaging a three-dimensional structure
SE9803162L (sv) Elektronisk distansmätanordning
US20190212448A1 (en) Laser processing device and laser processing system
DE29713805U1 (de) Vorrichtung zum Feststellen von Fluchtungsfehlern zweier hintereinander angeordneter Wellen
JPS5979805A (ja) 距離センサ
US10921448B2 (en) Optical distance measuring system
JP5046354B2 (ja) 傾きセンサ
SE0004702L (sv) Sätt och anordning för testning med ultraljudlaser
FI933818A (fi) Foerfarande och anordning foer mycket noggrann avstaondsmaetning av ytor
JPH11201718A (ja) センサ装置及び距離測定装置
ATE453851T1 (de) Optischer sensor zur messung des abstands und der neigung einer fläche
US6864964B2 (en) Optical distance measuring device
JP2018028484A (ja) レーザー距離計測装置
JP2010256183A (ja) 反射型光電センサ
EP0881633A3 (en) Laser beam emitting device and an optical pickup provided with the laser beam emitting device
JP2009098003A (ja) 変位振動検出装置及び変位振動検出方法
RU2124700C1 (ru) Бесконтактный измеритель расстояний
JPH0326793B2 (no)
JPH0338526B2 (no)
JPH07218336A (ja) 光学式物体検知センサ
KR101588859B1 (ko) 레이저 장치가 부착된 망원경
RU2107258C1 (ru) Фотобарьерный датчик

Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application