NL129712B - - Google Patents
Info
- Publication number
- NL129712B NL129712B NL129712DA NL129712B NL 129712 B NL129712 B NL 129712B NL 129712D A NL129712D A NL 129712DA NL 129712 B NL129712 B NL 129712B
- Authority
- NL
- Netherlands
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 |
|---|---|
| NL129712B true NL129712B (xx) |
Family
ID=24569312
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL129712D NL129712B (xx) | 1946-01-12 | ||
| NL66735D NL66735C (xx) | 1946-01-12 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL66735D NL66735C (xx) | 1946-01-12 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2625654A (xx) |
| BE (1) | BE472929A (xx) |
| CH (1) | CH259968A (xx) |
| ES (1) | ES179628A1 (xx) |
| FR (1) | FR940993A (xx) |
| GB (1) | GB637729A (xx) |
| NL (2) | NL66735C (xx) |
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 |
| WO2010085706A2 (en) * | 2009-01-23 | 2010-07-29 | Lhc2 Inc | Compact circularly polarized omni-directional antenna |
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 (xx) * | 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 |
|---|---|
| BE472929A (xx) | |
| GB637729A (en) | 1950-05-24 |
| US2625654A (en) | 1953-01-13 |
| FR940993A (fr) | 1948-12-29 |
| CH259968A (de) | 1949-02-15 |
| NL66735C (xx) | |
| ES179628A1 (es) | 1947-10-16 |