NL61576C - - Google Patents
Info
- Publication number
- NL61576C NL61576C NL61576DA NL61576C NL 61576 C NL61576 C NL 61576C NL 61576D A NL61576D A NL 61576DA NL 61576 C NL61576 C NL 61576C
- 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)
- Traffic Control Systems (AREA)
- Radar Systems Or Details Thereof (AREA)
- Transmitters (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL607023X | 1942-02-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL61576C true NL61576C (pt) |
Family
ID=19787976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL61576D NL61576C (pt) | 1942-02-18 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2523900A (pt) |
| DE (1) | DE889616C (pt) |
| FR (1) | FR891254A (pt) |
| GB (1) | GB607023A (pt) |
| NL (1) | NL61576C (pt) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5045859A (en) * | 1988-09-15 | 1991-09-03 | Aviation Systems Concepts, Inc. | Phase reference navigation system and method |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1910427A (en) * | 1931-11-24 | 1933-05-23 | Us Government | Method of adjusting radio beacon courses |
| US2072962A (en) * | 1933-10-03 | 1937-03-09 | Radio Patents Corp | Radio system |
| US2234828A (en) * | 1937-08-18 | 1941-03-11 | Rca Corp | Radio beacon |
| GB504744A (en) * | 1937-10-29 | 1939-05-01 | Marconi Wireless Telegraph Co | Improvements in or relating to navigation aiding radio transmitters |
| US2288196A (en) * | 1937-11-18 | 1942-06-30 | Lorenz C Ag | Radio beacon system |
| US2189317A (en) * | 1938-08-31 | 1940-02-06 | Rca Corp | Diversity antenna system |
| US2307184A (en) * | 1939-10-19 | 1943-01-05 | Standard Telephones Cables Ltd | Ultra short wave beacon |
| US2300999A (en) * | 1940-10-30 | 1942-11-03 | Westinghouse Electric & Mfg Co | Electromagnetic inspection system |
| US2407323A (en) * | 1941-12-23 | 1946-09-10 | Decca Record Co Ltd | Method and apparatus for receiving radio signals |
| US2356071A (en) * | 1942-07-11 | 1944-08-15 | Westinghouse Electric & Mfg Co | Multivibrator |
| US2419525A (en) * | 1942-10-08 | 1947-04-29 | Standard Telephones Cables Ltd | Radio beacon |
| US2419984A (en) * | 1944-10-19 | 1947-05-06 | Philco Corp | Wide-band superheterodyne receiver |
-
0
- NL NL61576D patent/NL61576C/xx active
-
1943
- 1943-02-16 FR FR891254D patent/FR891254A/fr not_active Expired
- 1943-02-19 DE DEN2524D patent/DE889616C/de not_active Expired
-
1946
- 1946-05-06 GB GB13675/46A patent/GB607023A/en not_active Expired
- 1946-05-09 US US668372A patent/US2523900A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2523900A (en) | 1950-09-26 |
| GB607023A (en) | 1948-08-24 |
| DE889616C (de) | 1953-09-10 |
| FR891254A (fr) | 1944-03-02 |