FI890504A0 - FOERFARANDE OCH ANORDNING FOER KONTROLL AV TRAFIKFOERHAOLLANDEN. - Google Patents

FOERFARANDE OCH ANORDNING FOER KONTROLL AV TRAFIKFOERHAOLLANDEN.

Info

Publication number
FI890504A0
FI890504A0 FI890504A FI890504A FI890504A0 FI 890504 A0 FI890504 A0 FI 890504A0 FI 890504 A FI890504 A FI 890504A FI 890504 A FI890504 A FI 890504A FI 890504 A0 FI890504 A0 FI 890504A0
Authority
FI
Finland
Prior art keywords
trafikfoerhaollanden
anordning foer
och anordning
foerfarande och
kontroll
Prior art date
Application number
FI890504A
Other languages
Finnish (fi)
Other versions
FI83822B (en
FI83822C (en
FI890504A (en
Inventor
Heikki Saari
Original Assignee
Valtion Teknillinen
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 Valtion Teknillinen filed Critical Valtion Teknillinen
Priority to FI890504A priority Critical patent/FI83822C/en
Publication of FI890504A0 publication Critical patent/FI890504A0/en
Priority to PCT/FI1990/000030 priority patent/WO1990009014A1/en
Publication of FI890504A publication Critical patent/FI890504A/en
Publication of FI83822B publication Critical patent/FI83822B/en
Application granted granted Critical
Publication of FI83822C publication Critical patent/FI83822C/en

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
    • G01S17/88—Lidar systems specially adapted for specific applications
    • 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
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Traffic Control Systems (AREA)
FI890504A 1989-02-02 1989-02-02 Procedure and apparatus for observing traffic conditions FI83822C (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI890504A FI83822C (en) 1989-02-02 1989-02-02 Procedure and apparatus for observing traffic conditions
PCT/FI1990/000030 WO1990009014A1 (en) 1989-02-02 1990-01-29 Method and apparatus for surveying traffic conditions

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI890504A FI83822C (en) 1989-02-02 1989-02-02 Procedure and apparatus for observing traffic conditions
FI890504 1989-02-02

Publications (4)

Publication Number Publication Date
FI890504A0 true FI890504A0 (en) 1989-02-02
FI890504A FI890504A (en) 1990-08-03
FI83822B FI83822B (en) 1991-05-15
FI83822C FI83822C (en) 1991-08-26

Family

ID=8527822

Family Applications (1)

Application Number Title Priority Date Filing Date
FI890504A FI83822C (en) 1989-02-02 1989-02-02 Procedure and apparatus for observing traffic conditions

Country Status (2)

Country Link
FI (1) FI83822C (en)
WO (1) WO1990009014A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2264411B (en) * 1992-02-13 1995-09-06 Roke Manor Research Active infrared detector system
JPH05265547A (en) * 1992-03-23 1993-10-15 Fuji Heavy Ind Ltd On-vehicle outside monitoring device
ES2144958B1 (en) * 1998-06-17 2001-01-01 Maps Informatica Ind S L SYSTEM OF DETECTION OF PRESENCE OF OBJECTS.
DE10022216A1 (en) * 2000-05-04 2001-11-08 Oezkan Mustafa Road junction sensor has pulsed sources and image sensor detects objects by triangulation
AT500122B1 (en) * 2001-12-14 2007-01-15 Kapsch Trafficcom Ag METHOD AND DEVICE FOR GEOMETRIC MEASUREMENT OF MOTOR VEHICLES
AT412746B (en) * 2001-12-14 2005-06-27 Kapsch Trafficcom Ag METHOD AND DEVICE FOR GEOMETRIC MEASUREMENT AND TRACKING OF OBJECTS

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR90912E (en) * 1966-04-08 1968-03-08 Evr Eclairage Vehicules Rail Vehicle detector
US3516056A (en) * 1966-11-10 1970-06-02 Lear Siegler Inc Traffic control system
US3532886A (en) * 1967-11-27 1970-10-06 Sperry Rand Corp Moving object detector using differentially combined optical sensors having intersecting axes
CH639769A5 (en) * 1979-10-02 1983-11-30 Fruengel Frank Sichtweitenmessgeraet according to the principle of vorwaertsstreuung and use thereof.

Also Published As

Publication number Publication date
FI83822B (en) 1991-05-15
FI83822C (en) 1991-08-26
WO1990009014A1 (en) 1990-08-09
FI890504A (en) 1990-08-03

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Legal Events

Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: VALTION TEKNILLINEN TUTKIMUSKESKUS