ES2049252T3 - Telemetria optica por medicion de defasaje. - Google Patents

Telemetria optica por medicion de defasaje.

Info

Publication number
ES2049252T3
ES2049252T3 ES88306327T ES88306327T ES2049252T3 ES 2049252 T3 ES2049252 T3 ES 2049252T3 ES 88306327 T ES88306327 T ES 88306327T ES 88306327 T ES88306327 T ES 88306327T ES 2049252 T3 ES2049252 T3 ES 2049252T3
Authority
ES
Spain
Prior art keywords
gain
automatic control
control
optical
phase variation
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
ES88306327T
Other languages
English (en)
Inventor
Gabriel L Miller
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.)
AT&T Corp
Original Assignee
American Telephone and Telegraph Co 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 American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc
Application granted granted Critical
Publication of ES2049252T3 publication Critical patent/ES2049252T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3084—Automatic control in amplifiers having semiconductor devices in receivers or transmitters for electromagnetic waves other than radiowaves, e.g. lightwaves
    • 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
    • G01S17/42—Simultaneous measurement of distance and other co-ordinates
    • 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
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
    • G01S7/4812—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver transmitted and received beams following a coaxial path
    • 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
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4817—Constructional features, e.g. arrangements of optical elements relating to scanning
    • 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
    • G01S7/4918—Controlling received signal intensity, gain or exposure of sensor
    • 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
    • G01S17/32—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S17/36—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated with phase comparison between the received signal and the contemporaneously transmitted signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)

Abstract

SE DESCRIBE UN SISTEMA DE DETERMINACION OPTICA DE LA DISTANCIA PARA UTILIZARSE CON NIVELES MUY VARIABLES DE SEÑAL DE RETORNO. EL CONTROL AUTOMATICO DEL NIVEL DE SEÑAL SE OBTIENE EN DOS PARTES, UNA PARTE OPTICA PASIVA Y UNA PARTE ACTIVA DE CONTROL AUTOMATICO DE GANANCIA. LA PARTE OPTICA ESTA BASADA EN LA DISPOSICION COAXIAL DE ELEMENTOS DE TRANSMISION Y DE RECEPCION EN LOS QUE EL ELEMENTO TRANSMISOR BLINDADO VA MONTADO ENFRENTE DEL ELEMENTO RECEPTOR, QUE INCLUYE UNA LENTE FRESNEL QUE CONSTA DE UN PLASTICO FUNDIDO. LA PARTE ELECTRONICA DE CONTROL AUTOMATICO DE GANANCIA DEL SISTEMA INCLUYE ELEMENTOS PARA EXCITACION DE VOLTAJE (CON BAJA IMPEDANCIA INTERNA) PARA EL TRANSISTOR FINAL DE CONTROL AUTOMATICO DE GANANCIA CUANDO TUVIERA TENDENCIA A SER LENTO, DE FORMA QUE UNA PEQUEÑA VARIACION DE FASE EN EL CONTROL DA COMO RESULTADO CAMBIOS EN LOS NIVELES DE SEÑAL. ASI, LA DETERMINACION DE LA DISTANCIA POR MEDICION DE LA VARIACION DE FASE SIGUE SIENDO EFICAZ AL CAMBIAR EL NIVEL DE SEÑAL. ESTE SISTEMADE DETERMINACION OPTICA DE LA DISTANCIA ES ESPECIALMENTE APROPIADO PARA INSTALARSE EN VEHICULOS AUTONOMOS (ROBOTS) EMPLEADOS EN LA MANIPULACION DE MATERIAL Y CONTROL DE ALMACEN.
ES88306327T 1987-07-20 1988-07-12 Telemetria optica por medicion de defasaje. Expired - Lifetime ES2049252T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/075,912 US4829172A (en) 1987-07-20 1987-07-20 Optical ranging by phase shift measurement with return signal level compensation

Publications (1)

Publication Number Publication Date
ES2049252T3 true ES2049252T3 (es) 1994-04-16

Family

ID=22128716

Family Applications (1)

Application Number Title Priority Date Filing Date
ES88306327T Expired - Lifetime ES2049252T3 (es) 1987-07-20 1988-07-12 Telemetria optica por medicion de defasaje.

Country Status (7)

Country Link
US (1) US4829172A (es)
EP (1) EP0300663B1 (es)
JP (1) JP2618446B2 (es)
CA (1) CA1288150C (es)
DE (1) DE3888038T2 (es)
ES (1) ES2049252T3 (es)
HK (1) HK103794A (es)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9020285D0 (en) * 1990-09-17 1990-10-31 Imatronic Ltd Optical apparatus
IL100633A (en) * 1992-01-12 1999-04-11 Israel State Large area movement robot
GB2264359B (en) * 1992-02-20 1995-09-20 Optical Metrology Ltd Apparatus for measuring displacement by detecting phase of an optical signal
US5313261A (en) * 1992-07-13 1994-05-17 Applied Remote Technology Inc. Method and apparatus for faithful gray scale representation of under water laser images
US5444511A (en) * 1992-10-29 1995-08-22 Seikosha Co., Ltd. Distance measuring device for camera
US5302835A (en) * 1993-03-22 1994-04-12 Imra America, Inc. Light detection system having a polarization plane rotating means and a polarizing beamsplitter
US5521694A (en) * 1994-05-10 1996-05-28 Innova Laboratories, Inc. Laser beam path profile sensor system
WO1996012932A1 (en) * 1994-10-20 1996-05-02 Automotive Systems Laboratory, Inc. Optical distance measuring system having range limit detection
US5831719A (en) * 1996-04-12 1998-11-03 Holometrics, Inc. Laser scanning system
DE19804059B4 (de) * 1998-02-03 2006-02-09 Robert Bosch Gmbh Vorrichtung zur optischen Distanzmessung
JP2000111340A (ja) * 1998-10-08 2000-04-18 Topcon Corp 測量機の光通信装置
US6567762B2 (en) * 2000-12-22 2003-05-20 Agilent Technologies, Inc. Dynamic range extension apparatus and method
EP1576385A2 (en) * 2002-11-26 2005-09-21 James F. Munro An apparatus for high accuracy distance and velocity measurement and methods thereof
DK1619342T3 (da) 2004-07-22 2009-07-27 Bea Sa Varmefölsom array-indretning til tilstedeværelsesdetektering ved automatiske döre
ATE387620T1 (de) 2004-07-22 2008-03-15 Bea Sa Lichtabtastvorrichtung zur detektion um automatische türen
DE602006014263D1 (de) * 2006-07-03 2010-06-24 Trimble Ab Vermessungsinstrument und Verfahren zur Steuerung eines Vermessungsinstruments
EP2454619A4 (en) 2009-07-17 2016-01-06 Hewlett Packard Development Co NON PERIODIC FILTER REFLECTORS WITH FOCUSING STRENGTH AND METHOD FOR THE PRODUCTION THEREOF
US20110169520A1 (en) * 2010-01-14 2011-07-14 Mks Instruments, Inc. Apparatus for measuring minority carrier lifetime and method for using the same
US8952403B2 (en) 2010-01-29 2015-02-10 Hewlett-Packard Development, L.P. Optical devices based on non-periodic sub-wavelength gratings
US20130271759A1 (en) * 2011-01-31 2013-10-17 David A. Fattal Apparatus and method for performing spectroscopy
DE102016106154B3 (de) * 2016-04-05 2017-02-16 Sick Ag Optoelektronischer Sensor und Verfahren zur Erfassung und Entfernungsbestimmung eines Objekts
FR3051560B1 (fr) 2016-05-19 2019-08-23 Institut Vedecom Systeme de telemetrie optique
CN107356929B (zh) * 2016-08-29 2020-07-28 北醒（北京）光子科技有限公司 一种快速扫描探测方法
US12372616B1 (en) * 2022-07-22 2025-07-29 The United States Of America As Represented By The Secretary Of The Navy Near-IR emulator for complex electromagnetic structures

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3779645A (en) * 1970-05-20 1973-12-18 Nippon Kogaku Kk Distance measuring device
US4346989A (en) * 1976-11-18 1982-08-31 Hewlett-Packard Company Surveying instrument
US4453825A (en) * 1979-12-07 1984-06-12 Hewlett-Packard Company Distance transducer
FR2556088B1 (fr) * 1983-12-01 1988-09-09 Rech Const Electro Et Procede pour la mesure de distance entre deux points d'observation sur la base du temps de propagation aller-retour d'un signal entre ces deux points, adapte en particulier aux turbulences du milieu de propagation, et telemetre mettant en oeuvre ce procede
SE442557B (sv) * 1984-05-21 1986-01-13 Geotronics Ab Anordning for att halla ett instrument inriktat mot en rorlig reflektor

Also Published As

Publication number Publication date
DE3888038D1 (de) 1994-04-07
JP2618446B2 (ja) 1997-06-11
EP0300663B1 (en) 1994-03-02
DE3888038T2 (de) 1994-09-08
JPS6439575A (en) 1989-02-09
EP0300663A2 (en) 1989-01-25
EP0300663A3 (en) 1991-01-30
CA1288150C (en) 1991-08-27
US4829172A (en) 1989-05-09
HK103794A (en) 1994-10-07

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