BE474055A - - Google Patents
Info
- Publication number
- BE474055A BE474055A BE474055DA BE474055A BE 474055 A BE474055 A BE 474055A BE 474055D A BE474055D A BE 474055DA BE 474055 A BE474055 A BE 474055A
- Authority
- BE
- Belgium
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)
- Toys (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Selective Calling Equipment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB16695/41A GB581126A (en) | 1941-12-26 | 1941-12-26 | Improvements in or relating to visual course indicators for radio directive systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE474055A true BE474055A (xx) |
Family
ID=10081953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE474055D BE474055A (xx) | 1941-12-26 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2424560A (xx) |
| BE (1) | BE474055A (xx) |
| FR (1) | FR939262A (xx) |
| GB (1) | GB581126A (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2603779A (en) * | 1945-12-27 | 1952-07-15 | Sperry Corp | Radio guidance system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2271534A (en) * | 1937-02-11 | 1942-02-03 | Rca Corp | Radio receiver for direction finding or course indicating systems |
-
0
- BE BE474055D patent/BE474055A/xx unknown
-
1941
- 1941-12-26 GB GB16695/41A patent/GB581126A/en not_active Expired
-
1942
- 1942-11-23 US US466656A patent/US2424560A/en not_active Expired - Lifetime
-
1946
- 1946-08-28 FR FR939262D patent/FR939262A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR939262A (fr) | 1948-11-09 |
| GB581126A (en) | 1946-10-02 |
| US2424560A (en) | 1947-07-29 |