EP0318260A3 - Monitoring means - Google Patents
Monitoring means Download PDFInfo
- Publication number
- EP0318260A3 EP0318260A3 EP88311069A EP88311069A EP0318260A3 EP 0318260 A3 EP0318260 A3 EP 0318260A3 EP 88311069 A EP88311069 A EP 88311069A EP 88311069 A EP88311069 A EP 88311069A EP 0318260 A3 EP0318260 A3 EP 0318260A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- detectors
- traffic
- speed
- length
- monitoring means
- 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.)
- Withdrawn
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
- G08G1/015—Detecting movement of traffic to be counted or controlled with provision for distinguishing between two or more types of vehicles, e.g. between motor-cars and cycles
Abstract
The invention relates to monitoring means particularly
for traffic using a road or motorway, the object being to
provide information relating to traffic make-up, densities,
speeds and the recognition of alarm situations. This
objective is met by monitoring means characterised by at least
two radiation detection means (1, 2) set in longitudinal
spaced relationship in alignment with an intended direction of
movement of objects passing below the radiation detection
means, each detector being adapted to produce a signal pulse
that is a function of the length and speed of an object
passing below the detectors, and the at least two detectors
being connected to processor means (7) adapted to store and
compare the signal pulses generated by each detector. By
providing two detectors the pulse outputs from which can be
recognised as being from the same vehicle, and are a function
of the length and speed of a vehicle, all manner of
information can be provided by the data processor such as the
categorising of vehicles by length, the volume of traffic per
unit time, the speed and spacing of successive vehicles and
the progressive slowing down of traffic on a particular
stretch of road or motorway, to provide reliable information
for analytical purposes and to activate appropriate warning
signals positioned alongside in advance of and beyond the
position of the detectors, as may be appropriate.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB878727824A GB8727824D0 (en) | 1987-11-27 | 1987-11-27 | Monitoring means |
GB8727824 | 1987-11-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0318260A2 EP0318260A2 (en) | 1989-05-31 |
EP0318260A3 true EP0318260A3 (en) | 1990-07-04 |
Family
ID=10627640
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88311069A Withdrawn EP0318260A3 (en) | 1987-11-27 | 1988-11-23 | Monitoring means |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0318260A3 (en) |
GB (1) | GB8727824D0 (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8195188B2 (en) | 1997-08-04 | 2012-06-05 | Enovsys Llc | Location reporting satellite paging system with optional blocking of location reporting |
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 (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8826624D0 (en) * | 1988-11-14 | 1988-12-21 | Martell D K | Traffic congestion monitoring system |
DE4135874C1 (en) * | 1991-10-31 | 1992-09-17 | Ant Nachrichtentechnik Gmbh, 7150 Backnang, De | Traffic volume detection circuit - incorporates directional antenna with band-pass filter, frequency-voltage converter and pulse shaper |
DE4304298A1 (en) * | 1993-02-15 | 1994-08-18 | Atlas Elektronik Gmbh | Method for classifying vehicles passing a given waypoint |
FR2714755A1 (en) * | 1994-01-04 | 1995-07-07 | Le Parquier Guy | Nonintrusive traffic control system e.g. for motorway, urban roads etc. |
ATE202869T1 (en) * | 1998-04-08 | 2001-07-15 | Graziano Gaggioli | DEVICE FOR SIGNALING VEHICLE TRAFFIC ON MOTORWAYS, EXPRESSWAYS, ONE-WAY ROADS AND THE LIKE |
ITBO20010571A1 (en) * | 2001-09-20 | 2003-03-20 | Univ Bologna | VEHICLE TRAFFIC MONITORING SYSTEM AND CONTROL UNIT AND RELATED OPERATING METHOD |
CN104504911B (en) * | 2013-12-25 | 2017-04-05 | 安徽宝龙环保科技有限公司 | A kind of speed measurer for motor vehicle and speed-measuring method |
CA2960123C (en) | 2014-09-09 | 2021-04-13 | Leddartech Inc. | Discretization of detection zone |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2557185A1 (en) * | 1974-12-26 | 1976-07-08 | Matra Engins | Traffic control monitoring unit - photocells generate pulse rates for determination of speed, number and length of vehicles |
FR2523341A1 (en) * | 1982-03-15 | 1983-09-16 | Techno 2000 | Road traffic analysis using dual modulated light beams - uses rotating disc to split light beam into two beams which are directed onto photodetectors in road surface |
GB2154388A (en) * | 1984-02-14 | 1985-09-04 | Secr Defence | Image processing system |
EP0171098A1 (en) * | 1984-07-02 | 1986-02-12 | Koninklijke Philips Electronics N.V. | Method of controlling a traffic control system and a traffic control system for use of the method |
-
1987
- 1987-11-27 GB GB878727824A patent/GB8727824D0/en active Pending
-
1988
- 1988-11-23 EP EP88311069A patent/EP0318260A3/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2557185A1 (en) * | 1974-12-26 | 1976-07-08 | Matra Engins | Traffic control monitoring unit - photocells generate pulse rates for determination of speed, number and length of vehicles |
FR2523341A1 (en) * | 1982-03-15 | 1983-09-16 | Techno 2000 | Road traffic analysis using dual modulated light beams - uses rotating disc to split light beam into two beams which are directed onto photodetectors in road surface |
GB2154388A (en) * | 1984-02-14 | 1985-09-04 | Secr Defence | Image processing system |
EP0171098A1 (en) * | 1984-07-02 | 1986-02-12 | Koninklijke Philips Electronics N.V. | Method of controlling a traffic control system and a traffic control system for use of the method |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8195188B2 (en) | 1997-08-04 | 2012-06-05 | Enovsys Llc | Location reporting satellite paging system with optional blocking of location reporting |
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 |
---|---|
GB8727824D0 (en) | 1987-12-31 |
EP0318260A2 (en) | 1989-05-31 |
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Legal Events
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 19910105 |