NL121050C - - Google Patents
Info
- Publication number
- NL121050C NL121050C NL121050DA NL121050C NL 121050 C NL121050 C NL 121050C NL 121050D A NL121050D A NL 121050DA NL 121050 C NL121050 C NL 121050C
- Authority
- NL
- Netherlands
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
- G01S13/60—Velocity or trajectory determination systems; Sense-of-movement determination systems wherein the transmitter and receiver are mounted on the moving object, e.g. for determining ground speed, drift angle, ground track
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB27761/57A GB834493A (en) | 1957-09-03 | 1957-09-03 | Improvements in or relating to doppler radar systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL121050C true NL121050C (US06197789-20010306-C00002.png) |
Family
ID=10264838
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL121050D NL121050C (US06197789-20010306-C00002.png) | 1957-09-03 | ||
| NL231019D NL231019A (US06197789-20010306-C00002.png) | 1957-09-03 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL231019D NL231019A (US06197789-20010306-C00002.png) | 1957-09-03 |
Country Status (6)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB871656A (en) * | 1958-10-16 | 1961-06-28 | Marconi Wireless Telegraph Co | Improvements in or relating to doppler radar systems |
| US3141161A (en) * | 1959-05-11 | 1964-07-14 | United Aircraft Corp | Calibrated radar altitude control which compensates for changes in ground reflectivity |
| US3235865A (en) * | 1964-02-14 | 1966-02-15 | Gen Precision Inc | Calibration correcting system for doppler navigators |
| US3430236A (en) * | 1967-09-15 | 1969-02-25 | Gen Precision Systems Inc | Method and means for eliminating beam reflection errors in a doppler radar system |
| US3453619A (en) * | 1967-10-23 | 1969-07-01 | Defence Canada | Sea motion corrector |
| DE2237139C2 (de) * | 1972-07-28 | 1982-04-29 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | "Doppler-Radargerät zur Messung der Eigengeschwindigkeit eines Fahrzeuges" |
| CA1125419A (en) * | 1976-08-02 | 1982-06-08 | George W. Ogar | Method of correcting doppler navigator |
| GB2069281B (en) * | 1979-07-31 | 1983-08-10 | Marconi Co Ltd | Doppler radar system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2855590A (en) * | 1955-02-07 | 1958-10-07 | Gen Precision Lab Inc | Doppler system for speed and drift measurements |
-
0
- DE DENDAT1070249D patent/DE1070249B/de active Pending
- NL NL121050D patent/NL121050C/xx active
- NL NL231019D patent/NL231019A/xx unknown
-
1957
- 1957-09-03 GB GB27761/57A patent/GB834493A/en not_active Expired
-
1958
- 1958-07-31 US US752319A patent/US3072900A/en not_active Expired - Lifetime
- 1958-08-19 CH CH6306158A patent/CH368953A/fr unknown
- 1958-08-21 FR FR1209623D patent/FR1209623A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB834493A (en) | 1960-05-11 |
| DE1070249B (US06197789-20010306-C00002.png) | |
| NL231019A (US06197789-20010306-C00002.png) | |
| CH368953A (fr) | 1963-04-30 |
| US3072900A (en) | 1963-01-08 |
| FR1209623A (fr) | 1960-03-02 |
