BE426947A - - Google Patents
Info
- Publication number
- BE426947A BE426947A BE426947DA BE426947A BE 426947 A BE426947 A BE 426947A BE 426947D A BE426947D A BE 426947DA BE 426947 A BE426947 A BE 426947A
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR207368X | 1937-04-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE426947A true BE426947A (ja) |
Family
ID=8880493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE426947D BE426947A (ja) | 1937-04-02 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2257815A (ja) |
| BE (1) | BE426947A (ja) |
| CH (1) | CH207368A (ja) |
| DE (1) | DE708715C (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2462881A (en) * | 1943-10-25 | 1949-03-01 | John W Marchetti | Antenna |
-
0
- BE BE426947D patent/BE426947A/xx unknown
-
1938
- 1938-03-09 CH CH207368D patent/CH207368A/fr unknown
- 1938-03-30 US US198811A patent/US2257815A/en not_active Expired - Lifetime
- 1938-04-02 DE DEC53875D patent/DE708715C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2257815A (en) | 1941-10-07 |
| CH207368A (fr) | 1939-10-31 |
| DE708715C (de) | 1941-07-26 |