NL60726C - - Google Patents
Info
- Publication number
- NL60726C NL60726C NL60726DA NL60726C NL 60726 C NL60726 C NL 60726C NL 60726D A NL60726D A NL 60726DA NL 60726 C NL60726 C NL 60726C
- 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
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Radar Systems Or Details Thereof (AREA)
- Transmitters (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US293128A US2257830A (en) | 1939-09-01 | 1939-09-01 | Frequency-modulated radio altimeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL60726C true NL60726C (en) |
Family
ID=23127771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL60726D NL60726C (en) | 1939-09-01 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2257830A (en) |
| GB (1) | GB543943A (en) |
| NL (1) | NL60726C (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE450375A (en) * | 1942-05-01 | |||
| CH239559A (en) * | 1942-06-10 | 1945-10-31 | Philips Nv | Distance meters, in particular altimeters. |
| US2453169A (en) * | 1943-04-10 | 1948-11-09 | Sperry Corp | Radio ground clearance indicator |
| BE477480A (en) * | 1944-03-20 | |||
| US2598702A (en) * | 1945-01-19 | 1952-06-03 | Jr Martin V Kiebert | Sweep compression for use of fm range equipment |
| US2462531A (en) * | 1945-05-22 | 1949-02-22 | Minshall Burton | Musical vibration translating unit |
| US2543782A (en) * | 1945-05-26 | 1951-03-06 | Jr Martin V Kiebert | Frequency modulated radio-type distance measuring device |
| US2466534A (en) * | 1945-07-30 | 1949-04-05 | Rca Corp | Radar glide path control system |
| US2573329A (en) * | 1946-05-24 | 1951-10-30 | Well Surveys Inc | Capacitative commutator |
| US2537593A (en) * | 1947-02-26 | 1951-01-09 | Rca Corp | Frequency modulation altimeter and range finder |
| US2658173A (en) * | 1949-11-30 | 1953-11-03 | Honeywell Regulator Co | Vibrating condenser converter |
| US2632791A (en) * | 1949-11-30 | 1953-03-24 | Honeywell Regulator Co | Vibratory condenser converter |
| US2736891A (en) * | 1952-02-08 | 1956-02-28 | Philco Corp | Method of and means for measuring distance |
| US3112481A (en) * | 1957-12-20 | 1963-11-26 | Litton Systems Inc | Continuous wave frequency modulation distance measuring apparatus |
| IT1102727B (en) * | 1978-03-02 | 1985-10-07 | Autovox Spa | DETECTION DEVICE FOR THE ROTATION STATUS OF A SHAFT, IN PARTICULAR FOR TURNTABLES |
| US5869747A (en) * | 1996-05-22 | 1999-02-09 | William H. Hulsman | Food container internal pressure analysis |
-
0
- NL NL60726D patent/NL60726C/xx active
-
1939
- 1939-09-01 US US293128A patent/US2257830A/en not_active Expired - Lifetime
-
1940
- 1940-08-31 GB GB13698/40A patent/GB543943A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB543943A (en) | 1942-03-20 |
| US2257830A (en) | 1941-10-07 |