BE476857A - - Google Patents
Info
- Publication number
- BE476857A BE476857A BE476857DA BE476857A BE 476857 A BE476857 A BE 476857A BE 476857D A BE476857D A BE 476857DA BE 476857 A BE476857 A BE 476857A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
- H01Q7/06—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB551546X | 1940-03-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE476857A true BE476857A (OSRAM) |
Family
ID=10473119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE476857D BE476857A (OSRAM) | 1940-03-21 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2339234A (OSRAM) |
| BE (1) | BE476857A (OSRAM) |
| GB (1) | GB551546A (OSRAM) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2438680A (en) * | 1943-03-11 | 1948-03-30 | Wladimir J Polydoroff | Loop antenna apparatus |
| GB707142A (en) * | 1950-12-04 | 1954-04-14 | Wladimir John Polydoroff | Improvements in and relating to antennas for radio apparatus |
| US2719922A (en) * | 1950-12-15 | 1955-10-04 | Zenith Radio Corp | Core tuned loop |
| US2975421A (en) * | 1956-02-28 | 1961-03-14 | George D Chichester | Magnetic antenna |
| US5923300A (en) * | 1997-04-03 | 1999-07-13 | Destron-Fearing Corporation | Multi-phase transmitter with single receive antenna for transponder interrogator |
| US8922440B2 (en) * | 2004-12-21 | 2014-12-30 | Q-Track Corporation | Space efficient magnetic antenna method |
| US8436780B2 (en) | 2010-07-12 | 2013-05-07 | Q-Track Corporation | Planar loop antenna system |
| US9997845B2 (en) | 2004-12-21 | 2018-06-12 | Q-Track Corporation | Embedded symmetric multiple axis antenna system with isolation among the multiple axes |
| CN101919110A (zh) | 2008-01-11 | 2010-12-15 | 木加哈特控股公司 | 使用铁氧体芯增强去往/来自无源id电路的能量传递效率 |
| US8395525B2 (en) * | 2008-02-25 | 2013-03-12 | Magnet Consulting, Inc. | Extending the read range of passive RFID tags |
| US8395507B2 (en) | 2008-04-21 | 2013-03-12 | Magnet Consulting, Inc. | H-field shaping using a shorting loop |
-
0
- BE BE476857D patent/BE476857A/xx unknown
-
1940
- 1940-03-21 GB GB5270/40A patent/GB551546A/en not_active Expired
-
1941
- 1941-03-21 US US384525A patent/US2339234A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2339234A (en) | 1944-01-11 |
| GB551546A (en) | 1943-03-01 |