NL113848C - - Google Patents
Info
- Publication number
- NL113848C NL113848C NL113848DA NL113848C NL 113848 C NL113848 C NL 113848C NL 113848D A NL113848D A NL 113848DA NL 113848 C NL113848 C NL 113848C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/28—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using a secondary device in the form of two or more substantially straight conductive elements
- H01Q19/30—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using a secondary device in the form of two or more substantially straight conductive elements the primary active element being centre-fed and substantially straight, e.g. Yagi antenna
-
- 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
- H01Q11/10—Logperiodic antennas
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB19515/59A GB884889A (en) | 1959-06-08 | 1959-06-08 | Improvements in or relating to aerial systems |
Publications (1)
Publication Number | Publication Date |
---|---|
NL113848C true NL113848C (US06373033-20020416-M00071.png) |
Family
ID=10130686
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL113848D NL113848C (US06373033-20020416-M00071.png) | 1959-06-08 | ||
NL252416D NL252416A (US06373033-20020416-M00071.png) | 1959-06-08 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL252416D NL252416A (US06373033-20020416-M00071.png) | 1959-06-08 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3221332A (US06373033-20020416-M00071.png) |
DE (1) | DE1616745B1 (US06373033-20020416-M00071.png) |
GB (1) | GB884889A (US06373033-20020416-M00071.png) |
NL (2) | NL252416A (US06373033-20020416-M00071.png) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3179943A (en) * | 1962-02-12 | 1965-04-20 | James M Buzbee | Log periodic monopole array and image ground plane elements alternately connected toplural feed lines |
US3371196A (en) * | 1963-05-01 | 1968-02-27 | Seismograph Service Corp | Apparatus for the correlation of two variables |
US3482250A (en) * | 1966-10-06 | 1969-12-02 | Viewall Television Products Co | Dipole antenna array having equally spaced dipoles of decreasing lengths |
US3550140A (en) * | 1967-06-23 | 1970-12-22 | Granger Associates | Log periodic rotating antenna |
US3683390A (en) * | 1971-04-26 | 1972-08-08 | Collins Radio Co | Hf broadband omnidirectional antenna |
US3790950A (en) * | 1971-09-13 | 1974-02-05 | Scientific Atlanta | Antenna array for minimizing co-channel interference |
US4180817A (en) * | 1976-05-04 | 1979-12-25 | Ball Corporation | Serially connected microstrip antenna array |
US4733243A (en) * | 1986-12-18 | 1988-03-22 | The United States Of America As Represented By The Secretary Of The Army | Broadband high frequency sky-wave antenna |
CN104157962B (zh) * | 2014-08-12 | 2018-06-19 | 上海航天电子通讯设备研究所 | 一种超宽带小型化波束赋形天线 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1937748A (en) * | 1931-07-10 | 1933-12-05 | Int Communications Lab Inc | Short wave radio beacon |
GB408473A (en) * | 1932-06-24 | 1934-04-12 | Nicolaas Koomans | Improvements in or relating to uni-laterally directed aerials |
US2192532A (en) * | 1936-02-03 | 1940-03-05 | Rca Corp | Directive antenna |
US2298449A (en) * | 1941-11-08 | 1942-10-13 | Bell Telephone Labor Inc | Antenna |
US2429629A (en) * | 1942-12-16 | 1947-10-28 | Standard Telephones Cables Ltd | Antenna array |
-
0
- NL NL113848D patent/NL113848C/xx active
- NL NL252416D patent/NL252416A/xx unknown
-
1959
- 1959-06-08 GB GB19515/59A patent/GB884889A/en not_active Expired
-
1960
- 1960-04-29 US US25622A patent/US3221332A/en not_active Expired - Lifetime
- 1960-06-03 DE DE1960M0045521 patent/DE1616745B1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
US3221332A (en) | 1965-11-30 |
NL252416A (US06373033-20020416-M00071.png) | |
GB884889A (en) | 1961-12-20 |
DE1616745B1 (de) | 1973-02-01 |