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Laser sensor capable of measuring distance, velocity, and acceleration

Info

Publication number
WO1995009370A3
WO1995009370A3 PCT/US1994/010978 US9410978W WO1995009370A3 WO 1995009370 A3 WO1995009370 A3 WO 1995009370A3 US 9410978 W US9410978 W US 9410978W WO 1995009370 A3 WO1995009370 A3 WO 1995009370A3
Authority
WO
Grant status
Application
Patent type
Prior art keywords
signal
phase
laser
reflected
sensor
Prior art date
Application number
PCT/US1994/010978
Other languages
French (fr)
Other versions
WO1995009370A2 (en )
Inventor
Mark L Wilson
Original Assignee
Honeywell 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

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481Constructional features, e.g. arrangements of optical elements
    • G01S7/4811Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S17/00Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06Systems determining position data of a target
    • G01S17/08Systems determining position data of a target for measuring distance only
    • G01S17/32Systems determining position data of a target for measuring distance only using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves
    • G01S17/36Systems determining position data of a target for measuring distance only using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves with phase comparison between the received signal and the contemporaneously transmitted signal
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S17/00Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/50Systems of measurement based on relative movement of target
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/491Details of non-pulse systems
    • G01S7/4912Receivers
    • G01S7/4915Details of time delay measurement or phase measurement

Abstract

A light based distance, velocity and acceleration sensor which uses phase difference to determine the desired measurement. A laser signal is modulated by an oscillator signal and reflected off an object to a signal receiver. The reflected laser signal and the oscillator signal then pass through a dual path conditioning circuit, where the path lengths and circuit elements of the two paths are identical to cancel the effets of propagation delays in an output signal. The conditioned signals are passed through a phase comparator, to produce a signal indicative of the phase difference between the oscillator signal and the reflected laser signal. The phase difference is directly proportional to the distance between the sensor and the object.
PCT/US1994/010978 1993-09-30 1994-09-28 Laser sensor capable of measuring distance, velocity, and acceleration WO1995009370A3 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US08130054 US5396510A (en) 1993-09-30 1993-09-30 Laser sensor capable of measuring distance, velocity, and acceleration
US08/130,054 1993-09-30

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CA 2171216 CA2171216C (en) 1993-09-30 1994-09-28 Laser sensor capable of measuring distance, velocity, and acceleration
EP19950912065 EP0721595B1 (en) 1993-09-30 1994-09-28 Laser sensor capable of measuring distance, velocity, and acceleration
DE1994632150 DE69432150D1 (en) 1993-09-30 1994-09-28 Laser sensor, with the possibility of measurement of distance, speed and acceleration
JP51044095A JP3622969B2 (en) 1993-09-30 1994-09-28 Distance, speed, laser sensor capable of measuring acceleration
DE1994632150 DE69432150T2 (en) 1993-09-30 1994-09-28 Laser sensor, with the possibility of measurement of distance, speed and acceleration

Publications (2)

Publication Number Publication Date
WO1995009370A2 true WO1995009370A2 (en) 1995-04-06
WO1995009370A3 true true WO1995009370A3 (en) 1995-06-08

Family

ID=22442845

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1994/010978 WO1995009370A3 (en) 1993-09-30 1994-09-28 Laser sensor capable of measuring distance, velocity, and acceleration

Country Status (5)

Country Link
US (1) US5396510A (en)
JP (1) JP3622969B2 (en)
DE (3) DE4434666A1 (en)
EP (1) EP0721595B1 (en)
WO (1) WO1995009370A3 (en)

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US5784023A (en) * 1995-06-26 1998-07-21 Bluege; John Speed detection method
US5899963A (en) * 1995-12-12 1999-05-04 Acceleron Technologies, Llc System and method for measuring movement of objects
US6122960A (en) 1995-12-12 2000-09-26 Acceleron Technologies, Llc. System and method for measuring movement of objects
US5724265A (en) * 1995-12-12 1998-03-03 Hutchings; Lawrence J. System and method for measuring movement of objects
DE19804059B4 (en) * 1998-02-03 2006-02-09 Robert Bosch Gmbh Device for optical distance measurement
DE19830359A1 (en) * 1998-07-07 2000-01-20 Helge Zwosta Spatial position and movement determination of body and body parts for remote control of machine and instruments
WO2000012848A1 (en) * 1998-09-01 2000-03-09 Leopold Kostal Gmbh & Co. Kg Method for carrying out a keyless access authorisation check and keyless access authorisation check device
DE19851307B4 (en) * 1998-10-08 2007-12-27 Zoller & Fröhlich GmbH System and method for determining at least one physical quantity
DE19928915A1 (en) * 1999-06-24 2001-01-11 Bosch Gmbh Robert A method for determining the visibility distance
JP4630413B2 (en) * 1999-12-07 2011-02-09 株式会社トプコン Receiving unit adjustment method of the distance measuring and distance measuring device
EP1191697B1 (en) * 2000-07-31 2011-12-21 HILTI Aktiengesellschaft Local Oscillator for the Generation of an HF-Signal to be Directly Mixed by Avalanche-Photodiodes
US6512574B2 (en) * 2000-09-11 2003-01-28 Asia Optical Co., Inc. Light receiving circuit of laser range finder
US6561047B1 (en) * 2001-07-03 2003-05-13 Dreamwell, Ltd. Method and system for analyzing motion transferred to a subject on a sleeping surface
US6844537B2 (en) * 2001-12-31 2005-01-18 Honeywell International Inc. Method and device for measuring the velocity of a moving surface
DE10222797B4 (en) * 2002-05-23 2014-03-13 Sick Ag distance determination
DE10233596B4 (en) * 2002-07-24 2007-05-16 Xenia Bruehn A method for determining the phase shift between two high-frequency signals of the same frequency
US7312856B2 (en) * 2002-09-12 2007-12-25 Lockheed Martin Corporation Programmable pulse capture device with automatic gain control
WO2004113834A3 (en) * 2003-06-17 2005-05-06 Andrew Kirk Dummer Method of determining a dimension of a sample of a construction material and associated appartus
US9587938B2 (en) 2003-06-17 2017-03-07 Troxler Electronic Laboratories, Inc. Method and apparatus for determining a characteristic of a construction material
DE10331074A1 (en) * 2003-07-09 2005-02-03 Conti Temic Microelectronic Gmbh A sensor arrangement for distance and / or speed measurement
DE102004063738B4 (en) * 2004-12-29 2007-10-25 Intelligendt Systems & Services Gmbh & Co.Kg Ultrasonic testing device
DE102006032127B4 (en) * 2006-07-05 2008-04-30 Aesculap Ag & Co. Kg Calibration and calibration device for a surgical referencing unit
GB201020272D0 (en) * 2010-11-30 2011-01-12 Dev Ltd Application using a single photon avalanche diode (SPAD)
CA2836797A1 (en) 2011-06-06 2012-12-13 Troxler Electronic Laboratories, Inc. Optical method and apparatus for determining a characteristic such as volume and density of an excavated void in a construction material
US9110088B1 (en) * 2014-02-10 2015-08-18 Selwyn E. Wright Propagation medium velocity measurement system

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EP0176448A2 (en) * 1984-09-28 1986-04-02 ELECTRICITE DE FRANCE Service National Detector of a light beam with a photodiode and bias control circuit
US4721369A (en) * 1985-09-18 1988-01-26 Canon Kabushiki Kaisha Gradient index single lens
GB2241399A (en) * 1990-02-13 1991-08-28 Optical Metrology Ltd Radar measurement apparatus

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US4453825A (en) * 1979-12-07 1984-06-12 Hewlett-Packard Company Distance transducer
US4280354A (en) * 1980-02-12 1981-07-28 Tencor Instruments Acoustic method and apparatus for measuring surfaces of wafers and similar articles
DE3122702C2 (en) * 1981-06-06 1983-11-03 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut, De
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EP0176448A2 (en) * 1984-09-28 1986-04-02 ELECTRICITE DE FRANCE Service National Detector of a light beam with a photodiode and bias control circuit
US4721369A (en) * 1985-09-18 1988-01-26 Canon Kabushiki Kaisha Gradient index single lens
GB2241399A (en) * 1990-02-13 1991-08-28 Optical Metrology Ltd Radar measurement apparatus

Non-Patent Citations (1)

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BAUSTERT ET AL.: "ELECTROMAGNETIC INTERFERENCE AT ELECTROOPTICAL INTERFACES", IRE WESCON CONVENTION RECORD, vol. 32, November 1988 (1988-11-01), NORTH HOLLYWOOD US, pages 16-5-1 - 16-5-7, XP000099212 *

Also Published As

Publication number Publication date Type
JP3622969B2 (en) 2005-02-23 grant
EP0721595A1 (en) 1996-07-17 application
WO1995009370A2 (en) 1995-04-06 application
US5396510A (en) 1995-03-07 grant
DE69432150D1 (en) 2003-03-27 grant
DE69432150T2 (en) 2003-12-04 grant
DE4434666A1 (en) 1995-04-13 application
JPH09503583A (en) 1997-04-08 application
EP0721595B1 (en) 2003-02-19 grant

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