BE472929A - - Google Patents
Info
- Publication number
- BE472929A BE472929A BE472929DA BE472929A BE 472929 A BE472929 A BE 472929A BE 472929D A BE472929D A BE 472929DA BE 472929 A BE472929 A BE 472929A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
- H01Q13/12—Longitudinally slotted cylinder antennas; Equivalent structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US640690A US2625654A (en) | 1946-01-12 | 1946-01-12 | Slotted cylindrical antenna |
Publications (1)
Publication Number | Publication Date |
---|---|
BE472929A true BE472929A (un) |
Family
ID=24569312
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE472929D BE472929A (un) | 1946-01-12 |
Country Status (7)
Country | Link |
---|---|
US (1) | US2625654A (un) |
BE (1) | BE472929A (un) |
CH (1) | CH259968A (un) |
ES (1) | ES179628A1 (un) |
FR (1) | FR940993A (un) |
GB (1) | GB637729A (un) |
NL (2) | NL66735C (un) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2196796A (en) * | 1986-10-27 | 1988-05-05 | Jaybeam Limited | Antennas and antenna arrays |
JP3417083B2 (ja) * | 1994-10-04 | 2003-06-16 | セイコーエプソン株式会社 | 携帯用無線機 |
US7948440B1 (en) | 2006-09-30 | 2011-05-24 | LHC2 Inc. | Horizontally-polarized omni-directional antenna |
US8570239B2 (en) * | 2008-10-10 | 2013-10-29 | LHC2 Inc. | Spiraling surface antenna |
KR20110107348A (ko) * | 2009-01-23 | 2011-09-30 | 엘에이치씨2, 인크. | 소형 원형 편파 전방향 안테나 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2415094A (en) * | 1938-01-17 | 1947-02-04 | Board | Radio measurement of distances and velocities |
US2238770A (en) * | 1938-03-07 | 1941-04-15 | Emi Ltd | High frequency electrical conductor or radiator |
US2234293A (en) * | 1939-09-19 | 1941-03-11 | Rca Corp | Antenna system |
US2321454A (en) * | 1941-11-22 | 1943-06-08 | Rca Corp | Multiple section antenna |
US2414266A (en) * | 1942-06-27 | 1947-01-14 | Rca Corp | Antenna |
US2400867A (en) * | 1942-06-27 | 1946-05-21 | Rca Corp | Antenna |
BE465085A (un) * | 1945-05-11 |
-
0
- NL NL129712D patent/NL129712B/xx unknown
- NL NL66735D patent/NL66735C/xx active
- BE BE472929D patent/BE472929A/xx unknown
-
1946
- 1946-01-12 US US640690A patent/US2625654A/en not_active Expired - Lifetime
- 1946-12-30 CH CH259968D patent/CH259968A/de unknown
-
1947
- 1947-01-08 FR FR940993D patent/FR940993A/fr not_active Expired
- 1947-01-10 GB GB974/47A patent/GB637729A/en not_active Expired
- 1947-09-08 ES ES179628A patent/ES179628A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL66735C (un) | |
CH259968A (de) | 1949-02-15 |
US2625654A (en) | 1953-01-13 |
FR940993A (fr) | 1948-12-29 |
ES179628A1 (es) | 1947-10-16 |
GB637729A (en) | 1950-05-24 |
NL129712B (un) |