GB1061803A - Apparatus for generating audible sounds which are variable according to the distanceof a vehicle from an obstacle - Google Patents

Apparatus for generating audible sounds which are variable according to the distanceof a vehicle from an obstacle

Info

Publication number
GB1061803A
GB1061803A GB26749/64A GB2674964A GB1061803A GB 1061803 A GB1061803 A GB 1061803A GB 26749/64 A GB26749/64 A GB 26749/64A GB 2674964 A GB2674964 A GB 2674964A GB 1061803 A GB1061803 A GB 1061803A
Authority
GB
United Kingdom
Prior art keywords
beat
obstacle
frequency
distance
vehicle
Prior art date
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
GB26749/64A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1061803A publication Critical patent/GB1061803A/en
Expired legal-status Critical Current

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)
  • Electromagnetism (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
GB26749/64A 1963-07-05 1964-06-29 Apparatus for generating audible sounds which are variable according to the distanceof a vehicle from an obstacle Expired GB1061803A (en)

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
GB1061803A true GB1061803A (en) 1967-03-15

Family

ID=26202250

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26749/64A Expired GB1061803A (en) 1963-07-05 1964-06-29 Apparatus for generating audible sounds which are variable according to the distanceof a vehicle from an obstacle

Country Status (7)

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

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
DE1441565B2 (de) 1971-11-04
SE328795B (https=) 1970-09-21
DE1441565A1 (de) 1969-05-08
CH416390A (fr) 1966-06-30
ES301687A1 (es) 1962-12-16
BE650057A (https=) 1964-11-03
NL6407557A (https=) 1965-01-06

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