NL257066A - - Google Patents
Info
- Publication number
- NL257066A NL257066A NL257066DA NL257066A NL 257066 A NL257066 A NL 257066A NL 257066D A NL257066D A NL 257066DA NL 257066 A NL257066 A NL 257066A
- 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 |
|---|---|---|---|
| US847606A US3150365A (en) | 1959-10-20 | 1959-10-20 | Navigation systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL257066A true NL257066A (US20030227983A1-20031211-M00013.png) |
Family
ID=25301038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL257066D NL257066A (US20030227983A1-20031211-M00013.png) | 1959-10-20 |
Country Status (4)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3228027A (en) * | 1961-11-02 | 1966-01-04 | Bendix Corp | Pitch and roll corrector for use in a doppler radar navigation system |
| US3340532A (en) * | 1963-09-30 | 1967-09-05 | Walter L Glomb | Tracking receiver |
| US3462586A (en) * | 1966-06-27 | 1969-08-19 | Us Navy | Doppler navigation system |
| US3710386A (en) * | 1971-07-06 | 1973-01-09 | Singer Co | Time-shared frequency tracking loop |
| US3860925A (en) * | 1974-01-09 | 1975-01-14 | Singer Co | Velocity-altimeter frequency-modulation continuous-wave doppler system |
| DE3786803D1 (de) * | 1987-11-17 | 1993-09-02 | Litef Gmbh | Verfahren zur erhoehung der fehlererkennung bei der geschwindigkeitsmessung von fluggeraeten mittels doppler-radar. |
| US6980153B2 (en) * | 2004-05-17 | 2005-12-27 | Honeywell International Inc. | Radar altimeter for helicopter load carrying operations |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2866190A (en) * | 1956-06-01 | 1958-12-23 | Gen Precision Lab Inc | Microwave frequency control |
| US2857590A (en) * | 1956-06-22 | 1958-10-21 | Gen Precision Lab Inc | Aircraft drift angle measuring instrument |
| US2911644A (en) * | 1956-11-30 | 1959-11-03 | Gen Precision Lab Inc | Doppler radio antenna |
| US2981944A (en) * | 1960-12-06 | 1961-04-25 | Gen Precision Inc | Microwave navigation system |
-
0
- NL NL257066D patent/NL257066A/xx unknown
-
1959
- 1959-10-20 US US847606A patent/US3150365A/en not_active Expired - Lifetime
-
1960
- 1960-10-20 GB GB36077/60A patent/GB963067A/en not_active Expired
- 1960-11-23 BE BE597408A patent/BE597408A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB963067A (en) | 1964-07-08 |
| BE597408A (fr) | 1961-03-15 |
| US3150365A (en) | 1964-09-22 |
