FR1239611A - Device for guiding road vehicles - Google Patents
Device for guiding road vehiclesInfo
- Publication number
- FR1239611A FR1239611A FR808731A FR808731A FR1239611A FR 1239611 A FR1239611 A FR 1239611A FR 808731 A FR808731 A FR 808731A FR 808731 A FR808731 A FR 808731A FR 1239611 A FR1239611 A FR 1239611A
- Authority
- FR
- France
- Prior art keywords
- road vehicles
- guiding road
- guiding
- vehicles
- road
- 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
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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
- G01S13/583—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves and based upon the Doppler effect resulting from movement of targets
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/91—Radar or analogous systems specially adapted for specific applications for traffic control
- G01S13/92—Radar or analogous systems specially adapted for specific applications for traffic control for velocity measurement
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1239611XA | 1958-10-29 | 1958-10-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1239611A true FR1239611A (en) | 1960-08-26 |
Family
ID=22411947
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR808731A Expired FR1239611A (en) | 1958-10-29 | 1959-10-28 | Device for guiding road vehicles |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1239611A (en) |
-
1959
- 1959-10-28 FR FR808731A patent/FR1239611A/en not_active Expired
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