CA2203278A1 - Telemetre laser - Google Patents

Telemetre laser

Info

Publication number
CA2203278A1
CA2203278A1 CA002203278A CA2203278A CA2203278A1 CA 2203278 A1 CA2203278 A1 CA 2203278A1 CA 002203278 A CA002203278 A CA 002203278A CA 2203278 A CA2203278 A CA 2203278A CA 2203278 A1 CA2203278 A1 CA 2203278A1
Authority
CA
Canada
Prior art keywords
circuit
range finder
pulse
laser
processing unit
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.)
Granted
Application number
CA002203278A
Other languages
English (en)
Other versions
CA2203278C (fr
Inventor
Jeremy G. Dunne
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.)
Kama Tech HK Ltd
Laser Technology Inc
Original Assignee
Individual
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
Priority claimed from US08/375,810 external-priority patent/US5612779A/en
Priority claimed from US08/375,945 external-priority patent/US5652651A/en
Priority claimed from US08/375,941 external-priority patent/US5574552A/en
Application filed by Individual filed Critical Individual
Publication of CA2203278A1 publication Critical patent/CA2203278A1/fr
Application granted granted Critical
Publication of CA2203278C publication Critical patent/CA2203278C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G01S17/10—Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves
    • 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
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/36—Devices characterised by the use of optical means, e.g. 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F10/00—Apparatus for measuring unknown time intervals by electric means
    • G04F10/10—Apparatus for measuring unknown time intervals by electric means by measuring electric or magnetic quantities changing in proportion to time
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F10/00—Apparatus for measuring unknown time intervals by electric means
    • G04F10/10—Apparatus for measuring unknown time intervals by electric means by measuring electric or magnetic quantities changing in proportion to time
    • G04F10/105—Apparatus for measuring unknown time intervals by electric means by measuring electric or magnetic quantities changing in proportion to time with conversion of the time-intervals
    • 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
    • G01S17/10—Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G01S17/14—Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves wherein a voltage or current pulse is initiated and terminated in accordance with the pulse transmission and echo reception respectively, e.g. using counters
    • 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
    • G01S7/483—Details of pulse systems
    • 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
    • G01S7/497—Means for monitoring or calibrating

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Glass Compositions (AREA)
  • Laser Surgery Devices (AREA)
  • Measurement Of Optical Distance (AREA)
CA002203278A 1995-01-19 1995-11-29 Telemetre laser Expired - Lifetime CA2203278C (fr)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US08/375,810 US5612779A (en) 1995-01-19 1995-01-19 Automatic noise threshold determining circuit and method for a laser range finder
US08/375,941 1995-01-19
US08/375,810 1995-01-19
US08/375,945 US5652651A (en) 1995-01-19 1995-01-19 Laser range finder having selectable target acquisition characteristics and range measuring precision
US08/375,941 US5574552A (en) 1995-01-19 1995-01-19 Self-calibrating precision timing circuit and method for a laser range finder
US08/375,945 1995-01-19
PCT/US1995/015438 WO1996022509A1 (fr) 1995-01-19 1995-11-29 Telemetre laser

Publications (2)

Publication Number Publication Date
CA2203278A1 true CA2203278A1 (fr) 1996-07-25
CA2203278C CA2203278C (fr) 2006-09-05

Family

ID=27409265

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002203278A Expired - Lifetime CA2203278C (fr) 1995-01-19 1995-11-29 Telemetre laser

Country Status (6)

Country Link
EP (1) EP0804714A4 (fr)
JP (1) JPH10512954A (fr)
KR (1) KR100278806B1 (fr)
AU (1) AU690003B2 (fr)
CA (1) CA2203278C (fr)
WO (1) WO1996022509A1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5790244A (en) * 1996-08-23 1998-08-04 Laser Technology, Inc. Pre-biasing technique for a transistor based avalanche circuit in a laser based distance measurement and ranging instrument
DE10232878B4 (de) * 2002-07-19 2012-02-23 Robert Bosch Gmbh Vorrichtung und Verfahren zur Distanzmessung
AU2003258898A1 (en) 2002-08-09 2004-02-25 Surveylab Group Limited Mobile instrument, viewing device, and methods of processing and storing information
US6889175B2 (en) 2003-01-13 2005-05-03 Trimble Navigation Limited Tunable filter device for spatial positioning systems
US6903811B2 (en) 2003-08-11 2005-06-07 Kamakura Koki Co., Ltd. Rangefinder binoculars
US7236235B2 (en) 2004-07-06 2007-06-26 Dimsdale Engineering, Llc System and method for determining range in 3D imaging systems
KR100809353B1 (ko) * 2006-12-19 2008-03-05 삼성전자주식회사 무선 주파수 신호를 이용한 거리 측정 방법 및 장치
US9606228B1 (en) 2014-02-20 2017-03-28 Banner Engineering Corporation High-precision digital time-of-flight measurement with coarse delay elements
WO2016151918A1 (fr) 2015-03-26 2016-09-29 富士フイルム株式会社 Dispositif d'acquisition d'image de distance et procédé d'acquisition d'image de distance
US9638791B2 (en) * 2015-06-25 2017-05-02 Qualcomm Incorporated Methods and apparatus for performing exposure estimation using a time-of-flight sensor
US10591598B2 (en) 2018-01-08 2020-03-17 SOS Lab co., Ltd Lidar device
WO2019135494A1 (fr) 2018-01-08 2019-07-11 주식회사 에스오에스랩 Dispositif lidar
KR102050677B1 (ko) 2018-05-14 2019-12-03 주식회사 에스오에스랩 라이다 장치
CN112764342B (zh) * 2019-11-01 2022-02-18 北京一径科技有限公司 一种时间测量装置和方法
KR102823543B1 (ko) * 2022-10-07 2025-06-20 엘아이지넥스원 주식회사 레이다 기반 모의 표적 발생 방법 및 그를 위한 장치
KR102820563B1 (ko) * 2024-11-18 2025-06-17 (주)인트세인 레이더 센서 장치
KR102834762B1 (ko) * 2024-11-27 2025-07-17 한화시스템 주식회사 전원 인가 감지가 가능한 위상 배열 레이더

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3325750A (en) * 1963-12-23 1967-06-13 Gen Electric High resolution time interval measuring circuit employing a balanced crystal oscillator
DE1623564B1 (de) * 1967-12-01 1971-08-26 Siemens Ag Verfahren und Anordnung zur Entfernungsmessung mit hoher Präzision auf optischem Wege
US3644740A (en) * 1969-07-22 1972-02-22 Hughes Aircraft Co Control circuit for biasing a photodetector so as to maintain a selected false alarm rate
US3959641A (en) * 1974-12-05 1976-05-25 The United States Of America As Represented By The Secretary Of The Army Digital rangefinder correlation
US4044352A (en) * 1974-12-23 1977-08-23 Hughes Aircraft Company Signal processor
US4346989A (en) * 1976-11-18 1982-08-31 Hewlett-Packard Company Surveying instrument
FR2411418A1 (fr) * 1977-12-08 1979-07-06 Labo Cent Telecommunicat Procede et dispositif d'elimination des echos de retours multiples pour radars doppler a impulsions
CH628139A5 (de) * 1978-08-03 1982-02-15 Fruengel Frank Verfahren und einrichtung zur wolkenhoehenmessung.
DE3219423C2 (de) * 1981-06-09 1986-04-30 MTC, Meßtechnik und Optoelektronik AG, Neuenburg/Neuchâtel Entfernungsmeßverfahren und Vorrichtung zu seiner Durchführung
CH656009A5 (de) * 1981-12-17 1986-05-30 Zellweger Uster Ag Verfahren und vorrichtung zur messung der geschwindigkeit eines bewegten objekts.
DE3215847C2 (de) * 1982-04-28 1985-10-31 MTC, Meßtechnik und Optoelektronik AG, Neuenburg/Neuchâtel Zeitmeßverfahren und Vorrichtung zu seiner Durchführung
CH641308B (de) * 1982-07-13 Wild Heerbrugg Ag Vorrichtung zur laufzeitmessung von impulssignalen.
US4571085A (en) * 1983-10-11 1986-02-18 California Institute Of Technology Reflectometer based on optical cavity decay time
DE3540157A1 (de) * 1985-11-13 1987-05-21 Messerschmitt Boelkow Blohm Verfahren und vorrichtung zur entfernungsmessung
US5359404A (en) * 1989-03-27 1994-10-25 Laser Technology, Inc. Laser-based speed measuring device
WO1991013319A1 (fr) * 1990-02-26 1991-09-05 International Measurement, Inc. Systeme de detection a laser
US5046839A (en) * 1990-07-30 1991-09-10 Locker Enterprises, Inc. Golf course range finder system
US5221956A (en) * 1991-08-14 1993-06-22 Kustom Signals, Inc. Lidar device with combined optical sight
US5157403A (en) * 1991-10-04 1992-10-20 General Electric Co. Noise correction in radars for diffuse targets

Also Published As

Publication number Publication date
EP0804714A4 (fr) 1999-05-12
WO1996022509A1 (fr) 1996-07-25
KR970707426A (ko) 1997-12-01
EP0804714A1 (fr) 1997-11-05
AU690003B2 (en) 1998-04-09
CA2203278C (fr) 2006-09-05
JPH10512954A (ja) 1998-12-08
KR100278806B1 (ko) 2001-02-01
AU4503896A (en) 1996-08-07

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20151130