FR958876A - - Google Patents
Info
- Publication number
- FR958876A FR958876A FR958876DA FR958876A FR 958876 A FR958876 A FR 958876A FR 958876D A FR958876D A FR 958876DA FR 958876 A FR958876 A FR 958876A
- 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
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
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
- G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
- G01S13/345—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal using triangular modulation
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1669841A GB581169A (en) | 1941-12-26 | 1941-12-26 | Improvements relating to measurement of distances of obstacles by radio electric waves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR958876A true FR958876A (no) | 1950-03-21 |
Family
ID=10082022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR958876D Expired FR958876A (no) | 1941-12-26 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR958876A (no) |
| GB (1) | GB581169A (no) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012041632A1 (en) | 2010-09-30 | 2012-04-05 | L'oreal | Anhydrous fluid filtering composition free of c1-c5 alkanol, comprising a lipophilic polyamide polycondensate and a volatile alkane |
-
0
- FR FR958876D patent/FR958876A/fr not_active Expired
-
1941
- 1941-12-26 GB GB1669841A patent/GB581169A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012041632A1 (en) | 2010-09-30 | 2012-04-05 | L'oreal | Anhydrous fluid filtering composition free of c1-c5 alkanol, comprising a lipophilic polyamide polycondensate and a volatile alkane |
Also Published As
| Publication number | Publication date |
|---|---|
| GB581169A (en) | 1946-10-03 |