BE463047A - - Google Patents
Info
- Publication number
- BE463047A BE463047A BE463047DA BE463047A BE 463047 A BE463047 A BE 463047A BE 463047D A BE463047D A BE 463047DA BE 463047 A BE463047 A BE 463047A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
- H01Q21/205—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path providing an omnidirectional coverage
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/14—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field
- H02P9/20—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field due to variation of continuously-variable ohmic resistance
- H02P9/22—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field due to variation of continuously-variable ohmic resistance comprising carbon pile resistance
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US574878A US2490815A (en) | 1945-01-27 | 1945-01-27 | Loop antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE463047A true BE463047A (fi) |
Family
ID=24298017
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE463048D BE463048A (fi) | 1945-01-27 | ||
| BE463047D BE463047A (fi) | 1945-01-27 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE463048D BE463048A (fi) | 1945-01-27 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2490815A (fi) |
| BE (2) | BE463047A (fi) |
| CH (1) | CH269001A (fi) |
| ES (1) | ES172153A1 (fi) |
| FR (1) | FR920588A (fi) |
| NL (1) | NL69932C (fi) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2631238A (en) * | 1949-02-16 | 1953-03-10 | Belmont Radio Corp | Antenna array |
| US4012742A (en) * | 1975-12-29 | 1977-03-15 | International Telephone And Telegraph Corporation | Multimode loop antenna |
| EP0184235A1 (en) * | 1984-11-08 | 1986-06-11 | Koninklijke Philips Electronics N.V. | Vor antenna design |
| US6515632B1 (en) * | 2001-06-06 | 2003-02-04 | Tdk Rf Solutions | Multiply-fed loop antenna |
| US6816122B2 (en) * | 2002-01-29 | 2004-11-09 | Mitsumi Electric Co., Ltd. | Four-point feeding loop antenna capable of easily obtaining an impedance match |
| EP1617515B1 (en) * | 2004-07-13 | 2007-09-19 | TDK Corporation | PxM antenna for high-power, broadband applications |
| US20130201066A1 (en) * | 2012-02-02 | 2013-08-08 | Harris Corporation | Wireless communications device having loop antenna with four spaced apart coupling points and reflector and associated methods |
| US10811773B2 (en) | 2017-09-29 | 2020-10-20 | Pc-Tel, Inc. | Broadband kandoian loop antenna |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE388072C (de) * | 1923-02-02 | 1924-01-09 | Siemens & Halske Akt Ges | Ringfoermige Antenne |
| GB438506A (en) * | 1934-02-15 | 1935-11-15 | William Spencer Percival | Improvements in and relating to feeders and the like for electric currents of high frequency |
| NL45513C (fi) * | 1935-11-09 | |||
| GB475348A (en) * | 1936-03-17 | 1937-11-17 | Edward Cecil Cork | Improvements in or relating to wireless aerial systems |
| US2187014A (en) * | 1937-03-13 | 1940-01-16 | Telefunken Gmbh | Antenna transformer |
| US2289856A (en) * | 1940-09-25 | 1942-07-14 | Internat Telephone & Eadio Mfg | Broadcasting antenna system |
| BE469343A (fi) * | 1941-07-12 | |||
| BE479061A (fi) * | 1942-10-07 | |||
| US2393981A (en) * | 1943-11-06 | 1946-02-05 | Standard Telephones Cables Ltd | Shielded loop antenna |
| US2391026A (en) * | 1943-11-15 | 1945-12-18 | Standard Telephones Cables Ltd | Shielded loop antenna |
-
0
- NL NL69932D patent/NL69932C/xx active
- BE BE463048D patent/BE463048A/xx unknown
- BE BE463047D patent/BE463047A/xx unknown
-
1945
- 1945-01-27 US US574878A patent/US2490815A/en not_active Expired - Lifetime
-
1946
- 1946-01-14 ES ES0172153A patent/ES172153A1/es not_active Expired
- 1946-01-22 FR FR920588D patent/FR920588A/fr not_active Expired
- 1946-01-25 CH CH269001D patent/CH269001A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL69932C (fi) | |
| ES172153A1 (es) | 1946-02-16 |
| US2490815A (en) | 1949-12-13 |
| CH269001A (de) | 1950-06-15 |
| FR920588A (fr) | 1947-04-11 |
| BE463048A (fi) |