BE429919A - - Google Patents
Info
- Publication number
- BE429919A BE429919A BE429919DA BE429919A BE 429919 A BE429919 A BE 429919A BE 429919D A BE429919D A BE 429919DA BE 429919 A BE429919 A BE 429919A
- 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)
- Indicating Measured Values (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2241915X | 1937-08-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE429919A true BE429919A (fr) |
Family
ID=7991916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE429919D BE429919A (fr) | 1937-08-28 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2241915A (fr) |
| BE (1) | BE429919A (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE474319A (fr) * | 1942-07-28 | |||
| US2558945A (en) * | 1947-06-20 | 1951-07-03 | Edison Inc Thomas A | Electrical indicating system |
| US2677100A (en) * | 1950-12-05 | 1954-04-27 | Boeing Co | Electric conductor continuity testing apparatus and method |
-
0
- BE BE429919D patent/BE429919A/xx unknown
-
1938
- 1938-08-24 US US226473A patent/US2241915A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2241915A (en) | 1941-05-13 |