BE452813A - - Google Patents
Info
- Publication number
- BE452813A BE452813A BE452813DA BE452813A BE 452813 A BE452813 A BE 452813A BE 452813D A BE452813D A BE 452813DA BE 452813 A BE452813 A BE 452813A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
- H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
- H01Q11/06—Rhombic antennas; V-antennas
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL618680X | 1942-10-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE452813A true BE452813A (xx) |
Family
ID=19788359
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE452813D BE452813A (xx) | 1942-10-22 | ||
| BE618680A BE618680A (fr) | 1961-06-09 | 1962-06-07 | Organe électrique rotatif double, en particulier résistance ou commutateur |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE618680A BE618680A (fr) | 1961-06-09 | 1962-06-07 | Organe électrique rotatif double, en particulier résistance ou commutateur |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2517238A (xx) |
| BE (2) | BE618680A (xx) |
| DE (1) | DE863681C (xx) |
| FR (1) | FR899024A (xx) |
| GB (1) | GB618680A (xx) |
| NL (1) | NL61153C (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108390146B (zh) * | 2017-12-28 | 2020-03-24 | 山东康威通信技术股份有限公司 | 一种地下隧道的远距离信号覆盖高增益天线及其制造方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2126295A (en) * | 1934-04-25 | 1938-08-09 | Western Electric Co | Antenna system |
| BE421257A (xx) * | 1936-04-28 | |||
| US2157159A (en) * | 1937-03-24 | 1939-05-09 | Rca Corp | Antenna system |
| FR833529A (fr) * | 1937-06-15 | 1938-10-24 | Thomson Houston Comp Francaise | Perfectionnements aux antennes directionnelles |
| US2297925A (en) * | 1940-04-06 | 1942-10-06 | Rca Corp | Antenna system |
| US2366195A (en) * | 1942-11-23 | 1945-01-02 | Standard Telephones Cables Ltd | Antenna array |
| US2379260A (en) * | 1943-06-15 | 1945-06-26 | Press Wireless Inc | Antenna system |
-
0
- NL NL61153D patent/NL61153C/xx active
- BE BE452813D patent/BE452813A/xx unknown
-
1943
- 1943-10-20 FR FR899024D patent/FR899024A/fr not_active Expired
- 1943-10-21 DE DEN2450D patent/DE863681C/de not_active Expired
-
1946
- 1946-04-22 US US663820A patent/US2517238A/en not_active Expired - Lifetime
- 1946-08-01 GB GB22927/46A patent/GB618680A/en not_active Expired
-
1962
- 1962-06-07 BE BE618680A patent/BE618680A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US2517238A (en) | 1950-08-01 |
| BE618680A (fr) | 1962-12-14 |
| GB618680A (en) | 1949-02-25 |
| NL61153C (xx) | |
| DE863681C (de) | 1953-01-19 |
| FR899024A (fr) | 1945-05-15 |