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GB2308763B - Laser range finders - Google Patents

Laser range finders

Info

Publication number
GB2308763B
GB2308763B GB9526679A GB9526679A GB2308763B GB 2308763 B GB2308763 B GB 2308763B GB 9526679 A GB9526679 A GB 9526679A GB 9526679 A GB9526679 A GB 9526679A GB 2308763 B GB2308763 B GB 2308763B
Authority
GB
United Kingdom
Prior art keywords
laser range
range finders
finders
laser
range
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 - Fee Related
Application number
GB9526679A
Other versions
GB2308763A (en
GB9526679D0 (en
Inventor
Ralph Hilary Bagnall-Wild
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.)
Thales Optronics Ltd
Original Assignee
Thales Optronics Ltd
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 Thales Optronics Ltd filed Critical Thales Optronics Ltd
Priority to GB9526679A priority Critical patent/GB2308763B/en
Publication of GB9526679D0 publication Critical patent/GB9526679D0/en
Publication of GB2308763A publication Critical patent/GB2308763A/en
Application granted granted Critical
Publication of GB2308763B publication Critical patent/GB2308763B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • G01S7/486—Receivers
    • G01S7/487—Extracting wanted echo signals, e.g. pulse detection
    • G01S7/4873—Extracting wanted echo signals, e.g. pulse detection by deriving and controlling a threshold value
    • 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
    • G01S17/18—Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves wherein range gates are used

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)
GB9526679A 1995-12-29 1995-12-29 Laser range finders Expired - Fee Related GB2308763B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9526679A GB2308763B (en) 1995-12-29 1995-12-29 Laser range finders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9526679A GB2308763B (en) 1995-12-29 1995-12-29 Laser range finders

Publications (3)

Publication Number Publication Date
GB9526679D0 GB9526679D0 (en) 1996-12-04
GB2308763A GB2308763A (en) 1997-07-02
GB2308763B true GB2308763B (en) 1999-12-22

Family

ID=10786175

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9526679A Expired - Fee Related GB2308763B (en) 1995-12-29 1995-12-29 Laser range finders

Country Status (1)

Country Link
GB (1) GB2308763B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002088772A1 (en) * 2001-04-25 2002-11-07 Nikon Corporation Range finder, range finding method, and photoelectric tranducing circuit
IL154479A0 (en) 2003-02-16 2003-09-17 Elbit Systems Ltd Laser gated intensified ccd
US7965384B2 (en) * 2007-09-27 2011-06-21 Omron Scientific Technologies, Inc. Clutter rejection in active object detection systems
EP3088915B1 (en) * 2015-04-29 2021-07-14 HENSOLDT Sensors GmbH A method for the determination of a plurality of distinct echo pulses in order to provide distance measurements by an active 3d sensor
ES2743772T3 (en) * 2015-04-29 2020-02-20 Hensoldt Sensors Gmbh Method for processing echo pulses of an active 3d laser sensor to provide distance measurements
US11156717B2 (en) * 2018-05-03 2021-10-26 GM Global Technology Operations LLC Method and apparatus crosstalk and multipath noise reduction in a LIDAR system
CN114402225A (en) * 2020-06-03 2022-04-26 深圳市大疆创新科技有限公司 Distance measuring method, distance measuring device and movable platform

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1571043A (en) * 1976-02-27 1980-07-09 Asea Ab Means for determining the existence of clouds within a predetermined range interval
GB2161340A (en) * 1984-07-07 1986-01-08 Messerschmitt Boelkow Blohm Detecting objects in obscuring medium
GB2277219A (en) * 1993-03-24 1994-10-19 Loral Vought Systems Lidar signal processing

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1571043A (en) * 1976-02-27 1980-07-09 Asea Ab Means for determining the existence of clouds within a predetermined range interval
GB2161340A (en) * 1984-07-07 1986-01-08 Messerschmitt Boelkow Blohm Detecting objects in obscuring medium
GB2277219A (en) * 1993-03-24 1994-10-19 Loral Vought Systems Lidar signal processing

Also Published As

Publication number Publication date
GB2308763A (en) 1997-07-02
GB9526679D0 (en) 1996-12-04

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20141229