BE475850A - - Google Patents
Info
- Publication number
- BE475850A BE475850A BE475850DA BE475850A BE 475850 A BE475850 A BE 475850A BE 475850D A BE475850D A BE 475850DA BE 475850 A BE475850 A BE 475850A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/362—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith for broadside radiating helical antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
- H01Q9/32—Vertical arrangement of element
- H01Q9/38—Vertical arrangement of element with counterpoise
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H2/00—Networks using elements or techniques not provided for in groups H03H3/00 - H03H21/00
- H03H2/005—Coupling circuits between transmission lines or antennas and transmitters, receivers or amplifiers
- H03H2/006—Transmitter or amplifier output circuits
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US697454A US2495399A (en) | 1946-09-17 | 1946-09-17 | Antenna system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE475850A true BE475850A (US07935154-20110503-C00006.png) |
Family
ID=24801176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE475850D BE475850A (US07935154-20110503-C00006.png) | 1946-09-17 |
Country Status (6)
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2636986A (en) * | 1953-04-28 | Television antenna | ||
| US2616046A (en) * | 1949-12-01 | 1952-10-28 | Arthur E Marston | Multielement helix antenna |
| DE950862C (de) * | 1952-03-30 | 1956-10-18 | Siemens Ag | Aus an einen Wellenverstaerker angeschlossenen Sende- und Empfangsantennen bestehende Anordnung |
| US2897496A (en) * | 1955-01-12 | 1959-07-28 | Rca Corp | Corner reflector antenna |
| US3019438A (en) * | 1957-03-18 | 1962-01-30 | Gen Electric | Antenna structure |
| US3083364A (en) * | 1958-07-23 | 1963-03-26 | Andrew Corp | Bifilar wound quarter-wave helical antenna having broadside radiation |
| US3093824A (en) * | 1959-02-17 | 1963-06-11 | Singer Inc H R B | Communication system using circular polarization |
| US3103011A (en) * | 1961-09-18 | 1963-09-03 | Elwin W Seeley | Inductively loaded folded antenna |
| US3244850A (en) * | 1963-06-03 | 1966-04-05 | Mann Russell Electronics Inc | Segmented extended toroidal electrode and process of dielectric heating therewithin |
| US3432858A (en) * | 1964-12-14 | 1969-03-11 | Allan R Brown | Short dipole antenna |
| CH499888A (fr) * | 1967-12-15 | 1970-11-30 | Onera (Off Nat Aerospatiale) | Antenne à un seul conducteur enroulé hélicoïdalement de dimensions réduites, et procédé pour sa fabrication |
| US5111213A (en) * | 1990-01-23 | 1992-05-05 | Astron Corporation | Broadband antenna |
| US6204810B1 (en) | 1997-05-09 | 2001-03-20 | Smith Technology Development, Llc | Communications system |
| US5986621A (en) * | 1997-07-03 | 1999-11-16 | Virginia Tech Intellectual Properties, Inc. | Stub loaded helix antenna |
| AU1475000A (en) | 1998-11-09 | 2000-05-29 | Smith Technology Development, Llc | Cavity-driven antenna system |
| KR100608521B1 (ko) * | 2002-02-22 | 2006-08-03 | 마츠시타 덴끼 산교 가부시키가이샤 | 헬리컬 안테나 장치 및 그것을 구비한 무선통신장치 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1684009A (en) * | 1926-05-29 | 1928-09-11 | Harold M Brown | Antenna |
| FR719837A (fr) * | 1930-10-13 | 1932-02-10 | Telefunken Gmbh | Perfectionnements aux antennes directives pour ondes courtes |
| US1999258A (en) * | 1933-07-27 | 1935-04-30 | Rca Corp | Directional aerial |
| US2153589A (en) * | 1936-05-19 | 1939-04-11 | Rca Corp | Antenna |
| US2174353A (en) * | 1937-05-06 | 1939-09-26 | Rca Corp | Transmission of waves with rotary polarization |
| US2267889A (en) * | 1938-03-23 | 1941-12-30 | Csf | Antenna with wide wave range |
-
0
- BE BE475850D patent/BE475850A/xx unknown
-
1946
- 1946-09-17 US US697454A patent/US2495399A/en not_active Expired - Lifetime
-
1947
- 1947-09-01 FR FR952625D patent/FR952625A/fr not_active Expired
- 1947-09-06 CH CH270710D patent/CH270710A/de unknown
- 1947-09-08 GB GB24676/47A patent/GB637551A/en not_active Expired
-
1948
- 1948-12-28 DE DEP27705D patent/DE804581C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH270710A (de) | 1950-09-15 |
| FR952625A (fr) | 1949-11-21 |
| US2495399A (en) | 1950-01-24 |
| DE804581C (de) | 1951-04-26 |
| GB637551A (en) | 1950-05-24 |
