NL49024C - - Google Patents
Info
- Publication number
- NL49024C NL49024C NL49024DA NL49024C NL 49024 C NL49024 C NL 49024C NL 49024D A NL49024D A NL 49024DA NL 49024 C NL49024 C NL 49024C
- 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)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR735973X | 1936-12-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL49024C true NL49024C (xx) |
Family
ID=9130837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL49024D NL49024C (xx) | 1936-12-24 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2208209A (xx) |
| BE (1) | BE425113A (xx) |
| DE (1) | DE735973C (xx) |
| FR (1) | FR826726A (xx) |
| GB (1) | GB504052A (xx) |
| NL (1) | NL49024C (xx) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2590080A (en) * | 1945-07-09 | 1952-03-25 | Standard Telephones Cables Ltd | Cathode-ray tube screen filter |
| US2483432A (en) * | 1945-07-14 | 1949-10-04 | Standard Telephones Cables Ltd | Radar indicator means |
| US2532566A (en) * | 1945-10-26 | 1950-12-05 | Millman Jacob | Photoelectric gate control for pulse-echo systems |
| BE473670A (xx) * | 1945-12-07 | |||
| US2522880A (en) * | 1946-12-14 | 1950-09-19 | Rca Corp | Indicating system for radar direction finders |
-
0
- BE BE425113D patent/BE425113A/xx unknown
- NL NL49024D patent/NL49024C/xx active
-
1936
- 1936-12-24 FR FR826726D patent/FR826726A/fr not_active Expired
-
1937
- 1937-11-26 GB GB32721/37A patent/GB504052A/en not_active Expired
- 1937-12-17 US US180355A patent/US2208209A/en not_active Expired - Lifetime
- 1937-12-19 DE DEI60006D patent/DE735973C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB504052A (en) | 1939-04-19 |
| DE735973C (de) | 1943-06-03 |
| FR826726A (fr) | 1938-04-07 |
| BE425113A (xx) | |
| US2208209A (en) | 1940-07-16 |