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
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 OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; 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)
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 (xx) | 1970-09-21 |
Family
ID=26202250
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE08173/64A SE328795B (xx) | 1963-07-05 | 1964-07-03 |
Country Status (7)
Country | Link |
---|---|
BE (1) | BE650057A (xx) |
CH (1) | CH416390A (xx) |
DE (1) | DE1441565B2 (xx) |
ES (1) | ES301687A1 (xx) |
GB (1) | GB1061803A (xx) |
NL (1) | NL6407557A (xx) |
SE (1) | SE328795B (xx) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0070126A3 (en) * | 1981-07-01 | 1984-04-04 | Seltrust Engineering Limited | Personnel proximity sensor |
-
1964
- 1964-06-29 GB GB26749/64A patent/GB1061803A/en not_active Expired
- 1964-07-02 CH CH871664A patent/CH416390A/fr unknown
- 1964-07-03 DE DE19641441565 patent/DE1441565B2/de active Pending
- 1964-07-03 BE BE650057D patent/BE650057A/xx unknown
- 1964-07-03 SE SE08173/64A patent/SE328795B/xx unknown
- 1964-07-03 NL NL6407557A patent/NL6407557A/xx unknown
- 1964-07-04 ES ES301687A patent/ES301687A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL6407557A (xx) | 1965-01-06 |
ES301687A1 (es) | 1962-12-16 |
GB1061803A (en) | 1967-03-15 |
DE1441565A1 (de) | 1969-05-08 |
CH416390A (fr) | 1966-06-30 |
BE650057A (xx) | 1964-11-03 |
DE1441565B2 (de) | 1971-11-04 |
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