BE560457A - - Google Patents
Info
- Publication number
- BE560457A BE560457A BE560457DA BE560457A BE 560457 A BE560457 A BE 560457A BE 560457D A BE560457D A BE 560457DA BE 560457 A BE560457 A BE 560457A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/12—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems
- H01Q3/14—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying the relative position of primary active element and a refracting or diffracting device
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- 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 |
|---|---|---|---|
| US840444XA | 1956-08-31 | 1956-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE560457A true BE560457A (forum.php) |
Family
ID=22182529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE560457D BE560457A (forum.php) | 1956-08-31 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE560457A (forum.php) |
| GB (1) | GB840444A (forum.php) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9408469D0 (en) * | 1994-04-27 | 1994-06-22 | Wilder Lucien M I | System for finding the direction and range of a radio transmitter |
-
0
- BE BE560457D patent/BE560457A/xx unknown
-
1957
- 1957-08-30 GB GB27408/57A patent/GB840444A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB840444A (en) | 1960-07-06 |