SE328795B - - Google Patents

Info

Publication number
SE328795B
SE328795B SE08173/64A SE817364A SE328795B SE 328795 B SE328795 B SE 328795B SE 08173/64 A SE08173/64 A SE 08173/64A SE 817364 A SE817364 A SE 817364A SE 328795 B SE328795 B SE 328795B
Authority
SE
Sweden
Prior art keywords
beat
frequency
distance
obstacle
oscillator
Prior art date
Application number
SE08173/64A
Other languages
English (en)
Inventor
H Aubert
J Sokolowsky
Original Assignee
H Aubert
J Sokolowsky
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
Priority claimed from FR940534A external-priority patent/FR84618E/fr
Priority claimed from FR958279A external-priority patent/FR85108E/fr
Application filed by H Aubert, J Sokolowsky filed Critical H Aubert
Publication of SE328795B publication Critical patent/SE328795B/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/088—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices operating with electric fields
    • 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
    • G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
    • G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
    • G01S11/023—Systems for determining distance or velocity not using reflection or reradiation using radio waves using impedance elements varying with distance
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems, e.g. audible personal calling systems
    • G08B3/10—Audible signalling systems, e.g. audible personal calling systems using electric transmission; using electromagnetic transmission
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/16—Anti-collision systems

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
SE08173/64A 1963-07-05 1964-07-03 SE328795B (ref)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR940534A FR84618E (fr) 1963-07-05 1963-07-05 Procédé et dispositifs pour véhicule automobile permettant l'appréciation de la dstance d'obstacles
FR958279A FR85108E (fr) 1963-12-24 1963-12-24 Procédé et dispositifs pour véhicule automobile permettant l'appréciation de la distance d'obstacles

Publications (1)

Publication Number Publication Date
SE328795B true SE328795B (ref) 1970-09-21

Family

ID=26202250

Family Applications (1)

Application Number Title Priority Date Filing Date
SE08173/64A SE328795B (ref) 1963-07-05 1964-07-03

Country Status (7)

Country Link
BE (1) BE650057A (ref)
CH (1) CH416390A (ref)
DE (1) DE1441565B2 (ref)
ES (1) ES301687A1 (ref)
GB (1) GB1061803A (ref)
NL (1) NL6407557A (ref)
SE (1) SE328795B (ref)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0070126A3 (en) * 1981-07-01 1984-04-04 Seltrust Engineering Limited Personnel proximity sensor

Also Published As

Publication number Publication date
NL6407557A (ref) 1965-01-06
ES301687A1 (es) 1962-12-16
DE1441565B2 (de) 1971-11-04
BE650057A (ref) 1964-11-03
CH416390A (fr) 1966-06-30
DE1441565A1 (de) 1969-05-08
GB1061803A (en) 1967-03-15

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