NL184976B - Elektrische reflectorlamp met wolfraamhalogeenlamp. - Google Patents
Elektrische reflectorlamp met wolfraamhalogeenlamp.Info
- Publication number
- NL184976B NL184976B NLAANVRAGE7901128,A NL184976DA NL184976B NL 184976 B NL184976 B NL 184976B NL 184976D A NL184976D A NL 184976DA NL 184976 B NL184976 B NL 184976B
- Authority
- NL
- Netherlands
- Prior art keywords
- lamp
- tungsten halogen
- electric reflector
- halogen lamp
- electric
- Prior art date
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
- H01Q9/28—Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines
- H01Q9/285—Planar dipole
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
- H01Q21/205—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path providing an omnidirectional coverage
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US336396A US2771606A (en) | 1953-02-11 | 1953-02-11 | Ultra-high frequency antenna system |
Publications (1)
Publication Number | Publication Date |
---|---|
NL184976B true NL184976B (nl) |
Family
ID=23315899
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7901128,A NL184976B (nl) | 1953-02-11 | Elektrische reflectorlamp met wolfraamhalogeenlamp. |
Country Status (5)
Country | Link |
---|---|
US (1) | US2771606A (xx) |
BE (1) | BE526408A (xx) |
DE (3) | DE948705C (xx) |
FR (3) | FR1092911A (xx) |
NL (1) | NL184976B (xx) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3164834A (en) * | 1960-11-25 | 1965-01-05 | Rca Corp | Waveguide tower with stacked slot radiators |
DE1303212B (xx) * | 1961-09-27 | Siemens Ag | ||
DE1192278B (de) * | 1962-06-29 | 1965-05-06 | Siemens Ag | Aus mehreren stockwerkartig uebereinander angeordneten Isolierstoffhohlzylindern bestehender Antennenmast |
DE1266835B (de) * | 1962-07-18 | 1968-04-25 | Rohde & Schwarz | Strahleranordnung zum Erzeugen eines vertikal gebuendelten, horizontal polarisiertenRundstrahldiagramms |
US3394377A (en) * | 1965-03-30 | 1968-07-23 | Alford Andrew | Slot antenna mounted within openwork support tower |
FR2061498B1 (xx) * | 1969-02-04 | 1975-02-21 | Thomson Csf | |
FR2451113A2 (fr) * | 1978-06-19 | 1980-10-03 | France Etat | Doublet et antenne en plaques a polarisation circulaire |
FR2552273B1 (fr) * | 1983-09-21 | 1986-02-28 | Labo Electronique Physique | Antenne hyperfrequence omnidirectionnelle |
US5204688A (en) * | 1988-07-22 | 1993-04-20 | Thomson-Lgt Laboratoire General Des Telecommunications | Omnidirectional antenna notably for the emission of radio or television broadcasting signals in the decimetric waveband, and radiating system formed by a grouping of these antennas |
US5504495A (en) * | 1991-06-28 | 1996-04-02 | General Signal Corporation | Field convertible NTSC/HDTV broadcast antennas |
US5787673A (en) * | 1992-09-14 | 1998-08-04 | Pirod, Inc. | Antenna support with multi-direction adjustability |
KR19980701777A (ko) * | 1995-08-10 | 1998-06-25 | 에버하트 마이클 시 | 지상 기지 가동 무선 주파수 통신 시스템용 저 프로필 안테나 어레이 |
US7576705B2 (en) * | 2004-11-04 | 2009-08-18 | Tennagon, Inc. | Antenna tower mounting assembly and method |
US8872713B1 (en) * | 2010-04-21 | 2014-10-28 | Rockwell Collins, Inc. | Dual-polarized environmentally-hardened low profile radiating element |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2310953A (en) * | 1943-02-16 | Ceramic from bauxite and process of | ||
GB598548A (en) * | 1944-12-01 | 1948-02-20 | William Joseph O Brien | Improvements in or relating to antennae for radio transmitters |
US2238904A (en) * | 1936-04-28 | 1941-04-22 | Rca Corp | Short wave communication system |
US2533236A (en) * | 1947-10-03 | 1950-12-12 | Int Standard Electric Corp | Antenna array |
US2618746A (en) * | 1948-08-13 | 1952-11-18 | Rca Corp | Antenna system |
-
0
- BE BE526408D patent/BE526408A/xx unknown
- NL NLAANVRAGE7901128,A patent/NL184976B/xx unknown
-
1953
- 1953-02-11 US US336396A patent/US2771606A/en not_active Expired - Lifetime
-
1954
- 1954-02-09 FR FR1092911D patent/FR1092911A/fr not_active Expired
- 1954-02-11 DE DEI8258A patent/DE948705C/de not_active Expired
- 1954-10-06 FR FR67480D patent/FR67480E/fr not_active Expired
- 1954-10-08 DE DEI9224A patent/DE953623C/de not_active Expired
- 1954-11-30 DE DEI9434A patent/DE1014181B/de active Pending
- 1954-12-02 FR FR69758D patent/FR69758E/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE953623C (de) | 1956-12-06 |
US2771606A (en) | 1956-11-20 |
FR67480E (fr) | 1958-03-13 |
DE1014181B (de) | 1957-08-22 |
DE948705C (de) | 1956-09-06 |
FR69758E (fr) | 1958-12-30 |
BE526408A (xx) | |
FR1092911A (fr) | 1955-04-28 |
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