BE675896A - - Google Patents

Info

Publication number
BE675896A
BE675896A BE675896DA BE675896A BE 675896 A BE675896 A BE 675896A BE 675896D A BE675896D A BE 675896DA BE 675896 A BE675896 A BE 675896A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE675896A publication Critical patent/BE675896A/xx

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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/91—Radar or analogous systems specially adapted for specific applications for traffic control
    • G01S13/92—Radar or analogous systems specially adapted for specific applications for traffic control for velocity measurement
    • 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/50—Systems of measurement, based on relative movement of the target
    • G01S15/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Traffic Control Systems (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
BE675896D 1965-06-01 1966-02-01 BE675896A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US46021065A 1965-06-01 1965-06-01

Publications (1)

Publication Number Publication Date
BE675896A true BE675896A (zh) 1966-06-16

Family

ID=23827782

Family Applications (1)

Application Number Title Priority Date Filing Date
BE675896D BE675896A (zh) 1965-06-01 1966-02-01

Country Status (6)

Country Link
US (1) US3445637A (zh)
BE (1) BE675896A (zh)
DE (1) DE1524626B1 (zh)
ES (1) ES327420A1 (zh)
GB (1) GB1147228A (zh)
NL (1) NL6607358A (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2465283A1 (fr) * 1979-09-07 1981-03-20 Thomson Csf Dispositif de mesure du trafic routier, et systeme de signalisation comportant un tel dispositif
US6195608B1 (en) 1993-05-28 2001-02-27 Lucent Technologies Inc. Acoustic highway monitor
US6021364A (en) * 1993-05-28 2000-02-01 Lucent Technologies Inc. Acoustic highway monitor
US5878367A (en) * 1996-06-28 1999-03-02 Northrop Grumman Corporation Passive acoustic traffic monitoring system
US6119521A (en) * 1998-04-20 2000-09-19 Northrop Grumman Corporation Apparatus and method for measuring the acoustic properties of acoustic absorbers
US7071841B2 (en) 2004-08-19 2006-07-04 Ut-Battelle, Llc Truck acoustic data analyzer system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3047838A (en) * 1958-11-03 1962-07-31 Gamewell Co Traffic cycle length selector
US3193798A (en) * 1959-05-29 1965-07-06 Lab For Electronics Inc Traffic density meter
US3239653A (en) * 1960-09-08 1966-03-08 Lab For Electronics Inc Traffic density computer
US3233084A (en) * 1960-12-27 1966-02-01 Gen Signals Corp Methods and apparatus for obtaining traffic data
US3239805A (en) * 1961-09-11 1966-03-08 Lab For Electronics Inc Traffic density computer

Also Published As

Publication number Publication date
ES327420A1 (es) 1967-07-16
US3445637A (en) 1969-05-20
GB1147228A (en) 1969-04-02
NL6607358A (zh) 1966-12-02
DE1524626B1 (de) 1971-01-14

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