FR956773A - - Google Patents

Info

Publication number
FR956773A
FR956773A FR956773DA FR956773A FR 956773 A FR956773 A FR 956773A FR 956773D A FR956773D A FR 956773DA FR 956773 A FR956773 A FR 956773A
Authority
FR
France
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
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.)
Publication date
Application granted granted Critical
Publication of FR956773A publication Critical patent/FR956773A/fr
Expired 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L13/00—Operation of signals from the vehicle or by the passage of the vehicle
    • B61L13/002—Operation of signals from the vehicle or by the passage of the vehicle actuated by the passage of the vehicle
    • 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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Traffic Control Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
FR956773D 1944-05-17 Expired FR956773A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US535937A US2540089A (en) 1944-05-17 1944-05-17 Vehicle detector

Publications (1)

Publication Number Publication Date
FR956773A true FR956773A (fr) 1950-02-07

Family

ID=24136432

Family Applications (1)

Application Number Title Priority Date Filing Date
FR956773D Expired FR956773A (fr) 1944-05-17

Country Status (2)

Country Link
US (1) US2540089A (fr)
FR (1) FR956773A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2785395A (en) * 1952-03-22 1957-03-12 Leon Pearle Speed monitor
GB742511A (en) * 1953-08-13 1955-12-30 Kelvin & Hughes Ltd Improvements in and relating to the measurement of the speed or distance of travel of vehicles by radio means
GB915160A (en) * 1955-04-25 1963-01-09 Marconi Wireless Telegraph Co Improvements in or relating to radar systems
KR102088173B1 (ko) * 2012-12-24 2020-03-12 삼성전자 주식회사 전자기기 및 그 제어방법

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE21955E (en) * 1941-11-25 Radiant energy distance determining
US2045071A (en) * 1930-04-29 1936-06-23 American Telephone & Telegraph Altimeter for aircraft
US2086742A (en) * 1934-07-05 1937-07-13 Telefunken Gmbh Radio receiving system
CH219436A (de) * 1939-03-31 1942-02-15 Guanella Gustav Ing Dipl Verfahren und Einrichtung zur Kontrolle der Entfernung mit frequenzmodulierten Schwingungen.
NL70705C (fr) * 1939-10-19
US2409448A (en) * 1940-01-10 1946-10-15 Rost Helge Fabian Self-tracking radio direction and distance device
US2301929A (en) * 1940-06-20 1942-11-17 Bell Telephone Labor Inc Radio distance and altitude indicating system
US2420264A (en) * 1941-05-26 1947-05-06 Rost Helge Fabian Stabilizing means for the control of a frequency modulated ultrashort wave transmitter
US2402464A (en) * 1941-07-12 1946-06-18 William Ockrant Velocity measuring system
US2412632A (en) * 1944-03-02 1946-12-17 Rca Corp Radio bomb release system

Also Published As

Publication number Publication date
US2540089A (en) 1951-02-06

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