GB2264411B - Active infrared detector system - Google Patents

Active infrared detector system

Info

Publication number
GB2264411B
GB2264411B GB9203028A GB9203028A GB2264411B GB 2264411 B GB2264411 B GB 2264411B GB 9203028 A GB9203028 A GB 9203028A GB 9203028 A GB9203028 A GB 9203028A GB 2264411 B GB2264411 B GB 2264411B
Authority
GB
United Kingdom
Prior art keywords
infrared detector
detector system
active infrared
active
infrared
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
GB9203028A
Other versions
GB2264411A (en
GB9203028D0 (en
Inventor
George Malcolm Swift Joynes
William Joseph Liddell
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.)
Roke Manor Research Ltd
Original Assignee
Roke Manor Research 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 Roke Manor Research Ltd filed Critical Roke Manor Research Ltd
Priority to GB9203028A priority Critical patent/GB2264411B/en
Publication of GB9203028D0 publication Critical patent/GB9203028D0/en
Publication of GB2264411A publication Critical patent/GB2264411A/en
Application granted granted Critical
Publication of GB2264411B publication Critical patent/GB2264411B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/04—Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors
    • 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
    • G01S17/04—Systems determining the presence of a target
    • 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
GB9203028A 1992-02-13 1992-02-13 Active infrared detector system Expired - Fee Related GB2264411B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9203028A GB2264411B (en) 1992-02-13 1992-02-13 Active infrared detector system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9203028A GB2264411B (en) 1992-02-13 1992-02-13 Active infrared detector system

Publications (3)

Publication Number Publication Date
GB9203028D0 GB9203028D0 (en) 1992-03-25
GB2264411A GB2264411A (en) 1993-08-25
GB2264411B true GB2264411B (en) 1995-09-06

Family

ID=10710306

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9203028A Expired - Fee Related GB2264411B (en) 1992-02-13 1992-02-13 Active infrared detector system

Country Status (1)

Country Link
GB (1) GB2264411B (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8242476B2 (en) 2005-12-19 2012-08-14 Leddartech Inc. LED object detection system and method combining complete reflection traces from individual narrow field-of-view channels
US8310655B2 (en) 2007-12-21 2012-11-13 Leddartech Inc. Detection and ranging methods and systems
US8436748B2 (en) 2007-06-18 2013-05-07 Leddartech Inc. Lighting system with traffic management capabilities
US8600656B2 (en) 2007-06-18 2013-12-03 Leddartech Inc. Lighting system with driver assistance capabilities
US8723689B2 (en) 2007-12-21 2014-05-13 Leddartech Inc. Parking management system and method using lighting system
US8842182B2 (en) 2009-12-22 2014-09-23 Leddartech Inc. Active 3D monitoring system for traffic detection
US8908159B2 (en) 2011-05-11 2014-12-09 Leddartech Inc. Multiple-field-of-view scannerless optical rangefinder in high ambient background light
US9235988B2 (en) 2012-03-02 2016-01-12 Leddartech Inc. System and method for multipurpose traffic detection and characterization
US9378640B2 (en) 2011-06-17 2016-06-28 Leddartech Inc. System and method for traffic side detection and characterization

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2960123C (en) 2014-09-09 2021-04-13 Leddartech Inc. Discretization of detection zone

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1125980A (en) * 1966-04-16 1968-09-05 Grundig Emv Improvements in or relating to apparatus for detecting the presence of a vehicle at a predetermined position
GB2063430A (en) * 1979-11-14 1981-06-03 Bofors Ab Proximity Fuse
WO1987000325A1 (en) * 1985-06-26 1987-01-15 Deutsche Thomson-Brandt Gmbh Circuit for exploiting telecontrol signals
WO1990009014A1 (en) * 1989-02-02 1990-08-09 Valtion Teknillinen Tutkimuskeskus Method and apparatus for surveying traffic conditions

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1125980A (en) * 1966-04-16 1968-09-05 Grundig Emv Improvements in or relating to apparatus for detecting the presence of a vehicle at a predetermined position
GB2063430A (en) * 1979-11-14 1981-06-03 Bofors Ab Proximity Fuse
WO1987000325A1 (en) * 1985-06-26 1987-01-15 Deutsche Thomson-Brandt Gmbh Circuit for exploiting telecontrol signals
WO1990009014A1 (en) * 1989-02-02 1990-08-09 Valtion Teknillinen Tutkimuskeskus Method and apparatus for surveying traffic conditions

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8242476B2 (en) 2005-12-19 2012-08-14 Leddartech Inc. LED object detection system and method combining complete reflection traces from individual narrow field-of-view channels
US8436748B2 (en) 2007-06-18 2013-05-07 Leddartech Inc. Lighting system with traffic management capabilities
US8600656B2 (en) 2007-06-18 2013-12-03 Leddartech Inc. Lighting system with driver assistance capabilities
US8310655B2 (en) 2007-12-21 2012-11-13 Leddartech Inc. Detection and ranging methods and systems
US8723689B2 (en) 2007-12-21 2014-05-13 Leddartech Inc. Parking management system and method using lighting system
US8842182B2 (en) 2009-12-22 2014-09-23 Leddartech Inc. Active 3D monitoring system for traffic detection
US8908159B2 (en) 2011-05-11 2014-12-09 Leddartech Inc. Multiple-field-of-view scannerless optical rangefinder in high ambient background light
US9378640B2 (en) 2011-06-17 2016-06-28 Leddartech Inc. System and method for traffic side detection and characterization
US9235988B2 (en) 2012-03-02 2016-01-12 Leddartech Inc. System and method for multipurpose traffic detection and characterization

Also Published As

Publication number Publication date
GB2264411A (en) 1993-08-25
GB9203028D0 (en) 1992-03-25

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Legal Events

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

Effective date: 20040213