BE669870A - - Google Patents

Info

Publication number
BE669870A
BE669870A BE669870A BE669870A BE669870A BE 669870 A BE669870 A BE 669870A BE 669870 A BE669870 A BE 669870A BE 669870 A BE669870 A BE 669870A BE 669870 A BE669870 A BE 669870A
Authority
BE
Belgium
Application number
BE669870A
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 BE669870A publication Critical patent/BE669870A/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
    • 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
    • G01S15/04—Systems determining presence of a target
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S367/00—Communications, electrical: acoustic wave systems and devices
    • Y10S367/901—Noise or unwanted signal reduction in nonseismic receiving system
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S73/00—Measuring and testing
    • Y10S73/04—Piezoelectric

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
BE669870A 1959-06-16 1965-09-20 BE669870A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US820691A US3042899A (en) 1959-06-16 1959-06-16 Ultrasonic vehicle detection system

Publications (1)

Publication Number Publication Date
BE669870A true BE669870A (ja) 1966-01-17

Family

ID=25231481

Family Applications (1)

Application Number Title Priority Date Filing Date
BE669870A BE669870A (ja) 1959-06-16 1965-09-20

Country Status (4)

Country Link
US (1) US3042899A (ja)
BE (1) BE669870A (ja)
FR (1) FR1262802A (ja)
GB (1) GB953872A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2441225A1 (fr) * 1978-11-09 1980-06-06 Gen Electric Procede et dispositif de detection d'intrusion par echo d'impulsion
FR2441226A1 (fr) * 1978-11-09 1980-06-06 Gen Electric Procede et dispositif de detection d'intrusion

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3149561A (en) * 1961-02-23 1964-09-22 Pannier Corp Apparatus for supersonically specifically locating and printing on objects
DE1218194B (de) * 1961-08-22 1966-06-02 Electroacustic Gmbh Verfahren und Vorrichtung zur Fahrzeug-Verkehrskontrolle
US3251990A (en) * 1961-12-28 1966-05-17 Gen Signal Corp Vehicle detection and control system
NL301217A (ja) * 1963-01-23
GB1071635A (en) * 1963-03-02 1967-06-07 Ultra Electronics Ltd Ultrasonic position sensing equipment
US3264878A (en) * 1965-10-07 1966-08-09 Pittsburgh Plate Glass Co Automatic glass area measuring device
US3382480A (en) * 1966-07-06 1968-05-07 Thomas K. Tsao Method of detecting traffic
US3756078A (en) * 1970-06-29 1973-09-04 Yokogawa Electric Works Ltd Current meter or flow meter
JPS5136076B1 (ja) * 1970-12-31 1976-10-06
FR2159503B1 (ja) * 1971-11-12 1976-08-20 Farad Ab
US3960007A (en) * 1974-09-27 1976-06-01 Swensen Eugene T Ultrasonic standing wave sensor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR956864A (ja) * 1946-09-05 1950-02-09
US2594276A (en) * 1950-08-26 1952-04-29 Eastern Ind Inc Electronic circuit
US2815504A (en) * 1951-04-17 1957-12-03 Itt Selective gate system for radar beacons
US2740112A (en) * 1952-05-28 1956-03-27 Bendix Aviat Corp Automatic range gate
US2814725A (en) * 1953-05-21 1957-11-26 Hughes Aircraft Co Time discriminator
US2844763A (en) * 1954-11-19 1958-07-22 Robert L Wyckoff Coincidence triggered gate generator
US2837644A (en) * 1955-07-15 1958-06-03 Hughes Aircraft Co Time discriminator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2441225A1 (fr) * 1978-11-09 1980-06-06 Gen Electric Procede et dispositif de detection d'intrusion par echo d'impulsion
FR2441226A1 (fr) * 1978-11-09 1980-06-06 Gen Electric Procede et dispositif de detection d'intrusion

Also Published As

Publication number Publication date
US3042899A (en) 1962-07-03
FR1262802A (fr) 1961-06-05
GB953872A (en) 1964-04-02

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