GB2318240B - Distance measurement device - Google Patents

Distance measurement device

Info

Publication number
GB2318240B
GB2318240B GB9727072A GB9727072A GB2318240B GB 2318240 B GB2318240 B GB 2318240B GB 9727072 A GB9727072 A GB 9727072A GB 9727072 A GB9727072 A GB 9727072A GB 2318240 B GB2318240 B GB 2318240B
Authority
GB
United Kingdom
Prior art keywords
measurement device
distance measurement
distance
measurement
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
GB9727072A
Other versions
GB9727072D0 (en
GB2318240A (en
Inventor
Masahira Akasu
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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
Priority claimed from JP14648094A external-priority patent/JP3185547B2/en
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of GB9727072D0 publication Critical patent/GB9727072D0/en
Publication of GB2318240A publication Critical patent/GB2318240A/en
Application granted granted Critical
Publication of GB2318240B publication Critical patent/GB2318240B/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
    • 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
    • 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
    • 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
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G01S17/93—Lidar systems specially adapted for specific applications for anti-collision purposes
    • G01S17/931—Lidar systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • 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
    • 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
    • G01S7/483—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
    • G01S7/495—Counter-measures or counter-counter-measures using electronic or electro-optical means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
GB9727072A 1994-06-28 1995-06-27 Distance measurement device Expired - Fee Related GB2318240B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP14648094A JP3185547B2 (en) 1994-06-28 1994-06-28 Distance measuring device
GB9513205A GB2290918B (en) 1994-06-28 1995-06-27 Distance measurement device

Publications (3)

Publication Number Publication Date
GB9727072D0 GB9727072D0 (en) 1998-02-18
GB2318240A GB2318240A (en) 1998-04-15
GB2318240B true GB2318240B (en) 1999-03-03

Family

ID=26307296

Family Applications (7)

Application Number Title Priority Date Filing Date
GB9727076A Expired - Fee Related GB2318242B (en) 1994-06-28 1995-06-27 Distance measurement device
GB9727070A Expired - Fee Related GB2318239B (en) 1994-06-28 1995-06-27 Distance measurement device
GB9727074A Expired - Fee Related GB2318241B (en) 1994-06-28 1995-06-27 Distance measurement device
GB9727066A Expired - Fee Related GB2318238B (en) 1994-06-28 1995-06-27 Distance measurement device
GB9727072A Expired - Fee Related GB2318240B (en) 1994-06-28 1995-06-27 Distance measurement device
GB9900624A Expired - Fee Related GB2329779B (en) 1994-06-28 1995-06-27 Distance measurement device
GB9900625A Expired - Fee Related GB2329780B (en) 1994-06-28 1995-06-27 Distance measurement device

Family Applications Before (4)

Application Number Title Priority Date Filing Date
GB9727076A Expired - Fee Related GB2318242B (en) 1994-06-28 1995-06-27 Distance measurement device
GB9727070A Expired - Fee Related GB2318239B (en) 1994-06-28 1995-06-27 Distance measurement device
GB9727074A Expired - Fee Related GB2318241B (en) 1994-06-28 1995-06-27 Distance measurement device
GB9727066A Expired - Fee Related GB2318238B (en) 1994-06-28 1995-06-27 Distance measurement device

Family Applications After (2)

Application Number Title Priority Date Filing Date
GB9900624A Expired - Fee Related GB2329779B (en) 1994-06-28 1995-06-27 Distance measurement device
GB9900625A Expired - Fee Related GB2329780B (en) 1994-06-28 1995-06-27 Distance measurement device

Country Status (1)

Country Link
GB (7) GB2318242B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10223537A1 (en) * 2002-05-27 2003-12-11 Sick Ag Optoelectronic sensor
GB0222905D0 (en) * 2002-10-02 2002-11-13 Arvinmeritor Light Vehicle Sys Spring device
US11609314B2 (en) * 2018-08-02 2023-03-21 Uatc, Llc Lidar system design to mitigate Lidar cross-talk
US20200264280A1 (en) * 2019-02-19 2020-08-20 Lite-On Electronics (Guangzhou) Limited Control method for time-of-flight sensing system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5243181A (en) * 1992-06-05 1993-09-07 Eaton Corporation Noise-insensitive, photoelectric transceiver including a digital stability indicator
GB2275146A (en) * 1993-02-12 1994-08-17 Mitsubishi Electric Corp Distance measuring equipment

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59180472A (en) * 1983-03-31 1984-10-13 Nec Corp Laser radar system
US5321407A (en) * 1991-12-27 1994-06-14 Honda Giken Kogyo Kabushiki Kaisha Method for estimating relative speed between vehicle and objective obstacle
DE4224292C1 (en) * 1992-07-23 1994-02-17 Deutsche Aerospace Method for recognizing and discriminating mask, half mask and oblique targets using optronic ignition sensors with dual-gate pulse transit time measurement methods
DE4233379C1 (en) * 1992-10-05 1994-03-31 Leica Ag Heerbrugg Method and device for determining the relative visibility
DE4301228C1 (en) * 1993-01-19 1994-04-21 Daimler Benz Ag Procedure for determining visibility
JP3029357B2 (en) * 1993-04-05 2000-04-04 三菱電機株式会社 Dirt detection device for distance measuring device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5243181A (en) * 1992-06-05 1993-09-07 Eaton Corporation Noise-insensitive, photoelectric transceiver including a digital stability indicator
GB2275146A (en) * 1993-02-12 1994-08-17 Mitsubishi Electric Corp Distance measuring equipment

Also Published As

Publication number Publication date
GB2318239A (en) 1998-04-15
GB2318241A (en) 1998-04-15
GB2318241B (en) 1999-03-03
GB9727070D0 (en) 1998-02-18
GB2318242B (en) 1999-03-03
GB2329779A (en) 1999-03-31
GB2318242A (en) 1998-04-15
GB2329779B (en) 1999-05-12
GB9727076D0 (en) 1998-02-18
GB2329780A (en) 1999-03-31
GB9727072D0 (en) 1998-02-18
GB9727074D0 (en) 1998-02-18
GB2329780B (en) 1999-05-12
GB9727066D0 (en) 1998-02-18
GB2318238B (en) 1999-03-03
GB2318240A (en) 1998-04-15
GB2318238A (en) 1998-04-15
GB2318239B (en) 1999-03-03

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 20100615

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20130627