BE536075A - - Google Patents
Info
- Publication number
- BE536075A BE536075A BE536075DA BE536075A BE 536075 A BE536075 A BE 536075A BE 536075D A BE536075D A BE 536075DA BE 536075 A BE536075 A BE 536075A
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB611253A GB744615A (en) | 1954-02-26 | 1954-02-26 | Directive radio antenna arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE536075A true BE536075A (en) |
Family
ID=9808603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE536075D BE536075A (en) | 1954-02-26 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE536075A (en) |
| GB (1) | GB744615A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI126545B (en) | 2007-06-04 | 2017-02-15 | Aalto-Korkeakoulusäätiö Sr | In certain radio frequency bands, the device is almost non-reflective |
| CN115166733B (en) * | 2022-07-25 | 2023-07-18 | 北京众智信安信息技术研究院 | Portable lossless reconstruction microwave imager |
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0
- BE BE536075D patent/BE536075A/xx unknown
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1954
- 1954-02-26 GB GB611253A patent/GB744615A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB744615A (en) | 1956-02-08 |