BE414416A - - Google Patents
Info
- Publication number
- BE414416A BE414416A BE414416DA BE414416A BE 414416 A BE414416 A BE 414416A BE 414416D A BE414416D A BE 414416DA BE 414416 A BE414416 A BE 414416A
- 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)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radio Relay Systems (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE445976X | 1934-03-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE414416A true BE414416A (da) |
Family
ID=6537822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE414416D BE414416A (da) | 1934-03-01 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2118929A (da) |
| BE (1) | BE414416A (da) |
| FR (1) | FR45850E (da) |
| GB (1) | GB445976A (da) |
| NL (1) | NL41272C (da) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2444578A (en) * | 1942-06-16 | 1948-07-06 | Neufeld Jacob | Navigational method and apparatus |
| US2516376A (en) * | 1945-01-29 | 1950-07-25 | Gen Railway Signal Co | Airway traffic control system |
| CN112638464B (zh) | 2018-07-06 | 2021-12-14 | 阿勒里恩科技公司 | 二元流体控制阀系统 |
-
0
- NL NL41272D patent/NL41272C/xx active
- BE BE414416D patent/BE414416A/xx unknown
-
1935
- 1935-02-20 FR FR45850D patent/FR45850E/fr not_active Expired
- 1935-02-26 GB GB6155/35A patent/GB445976A/en not_active Expired
- 1935-03-07 US US9808A patent/US2118929A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB445976A (en) | 1936-04-22 |
| FR45850E (fr) | 1935-12-09 |
| NL41272C (da) | |
| US2118929A (en) | 1938-05-31 |