BR7404532D0 - PERFECTED ANTENNA SYSTEM WITH A SUBSTANTIALLY OPEN CONSTRUCTION REFLECTOR - Google Patents

PERFECTED ANTENNA SYSTEM WITH A SUBSTANTIALLY OPEN CONSTRUCTION REFLECTOR

Info

Publication number
BR7404532D0
BR7404532D0 BR4532/74A BR453274A BR7404532D0 BR 7404532 D0 BR7404532 D0 BR 7404532D0 BR 4532/74 A BR4532/74 A BR 4532/74A BR 453274 A BR453274 A BR 453274A BR 7404532 D0 BR7404532 D0 BR 7404532D0
Authority
BR
Brazil
Prior art keywords
perfected
antenna system
substantially open
open construction
reflector
Prior art date
Application number
BR4532/74A
Other languages
Portuguese (pt)
Inventor
H Wheeler
Original Assignee
Hazeltine Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23471414&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR7404532(D0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hazeltine Corp filed Critical Hazeltine Corp
Publication of BR7404532D0 publication Critical patent/BR7404532D0/en

Links

Classifications

    • 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
    • H01Q21/061—Two dimensional planar arrays
    • H01Q21/062—Two dimensional planar arrays using dipole aerials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/14—Reflecting surfaces; Equivalent structures
    • 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
    • H01Q19/10—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 reflecting surfaces

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Aerials With Secondary Devices (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
BR4532/74A 1973-06-25 1974-05-31 PERFECTED ANTENNA SYSTEM WITH A SUBSTANTIALLY OPEN CONSTRUCTION REFLECTOR BR7404532D0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00373203A US3836977A (en) 1973-06-25 1973-06-25 Antenna system having a reflector with a substantially open construction

Publications (1)

Publication Number Publication Date
BR7404532D0 true BR7404532D0 (en) 1975-01-21

Family

ID=23471414

Family Applications (1)

Application Number Title Priority Date Filing Date
BR4532/74A BR7404532D0 (en) 1973-06-25 1974-05-31 PERFECTED ANTENNA SYSTEM WITH A SUBSTANTIALLY OPEN CONSTRUCTION REFLECTOR

Country Status (15)

Country Link
US (1) US3836977A (en)
JP (2) JPS591001B2 (en)
BR (1) BR7404532D0 (en)
CA (1) CA1011452A (en)
CS (1) CS191234B2 (en)
DD (1) DD112551A5 (en)
DE (1) DE2427505C2 (en)
FR (1) FR2234671B1 (en)
GB (1) GB1393081A (en)
IL (1) IL44559A (en)
IT (1) IT1010296B (en)
NL (1) NL183113C (en)
PL (1) PL90789B1 (en)
SE (1) SE389769B (en)
SU (1) SU814289A3 (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3836977A (en) * 1973-06-25 1974-09-17 Hazeltine Corp Antenna system having a reflector with a substantially open construction
US4186400A (en) * 1978-06-01 1980-01-29 Grumman Aerospace Corporation Aircraft scanning antenna system with inter-element isolators
DE3224545A1 (en) * 1982-07-01 1984-01-05 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt GROUP ANTENNA
GB2135829B (en) * 1983-02-24 1986-04-09 Cossor Electronics Ltd An antenna with a reflector of open construction
JPS60111503A (en) * 1983-11-21 1985-06-18 Nippon Telegr & Teleph Corp <Ntt> Array antenna device
JPS60184308U (en) * 1984-05-17 1985-12-06 三菱電機株式会社 horn antenna
JPS60184309U (en) * 1984-05-17 1985-12-06 三菱電機株式会社 horn antenna
DE4218544A1 (en) * 1992-06-05 1993-12-16 Abb Patent Gmbh Shortwave transmitter antenna
US5285212A (en) * 1992-09-18 1994-02-08 Radiation Systems, Inc. Self-supporting columnar antenna array
US5606333A (en) * 1995-02-17 1997-02-25 Hazeltine Corporation Low wind resistance antennas using cylindrical radiating and reflector units
US5757246A (en) * 1995-02-27 1998-05-26 Ems Technologies, Inc. Method and apparatus for suppressing passive intermodulation
US5966102A (en) * 1995-12-14 1999-10-12 Ems Technologies, Inc. Dual polarized array antenna with central polarization control
SE511079C2 (en) * 1996-04-29 1999-08-02 Radio Design Innovation Tj Ab Modular antenna system with a closed ring of antenna panels
KR100264817B1 (en) * 1998-06-09 2000-09-01 박태진 Wideband microstrip dipole antenna array
US8368156B1 (en) 2007-12-19 2013-02-05 The United States Of America As Represented By The Secretary Of The Navy Dipole moment term for an electrically small antenna
US8121821B1 (en) 2007-12-19 2012-02-21 The United States Of America As Represented By The Secretary Of The Navy Quasi-static design approach for low Q factor electrically small antennas
US9281083B2 (en) 2009-04-06 2016-03-08 Terrapower, Llc Traveling wave nuclear fission reactor, fuel assembly, and method of controlling burnup therein
JP6941494B2 (en) * 2017-07-18 2021-09-29 日本放送協会 End-to-end Japanese speech recognition model learning device and program
CN111507104B (en) * 2020-03-19 2022-03-25 北京百度网讯科技有限公司 Method and device for establishing label labeling model, electronic equipment and readable storage medium

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE480201C (en) * 1924-08-04 1929-07-30 Walter Hahnemann Device for clearly directed sending and receiving by means of electrical waves
NL20462C (en) * 1925-07-06
FR704953A (en) * 1930-01-24 1931-05-29 Radio Ind Wave projector
US2115789A (en) * 1935-06-04 1938-05-03 Telefunken Gmbh Directional antenna system
NL46871C (en) * 1936-01-14
FR837998A (en) * 1937-05-15 1939-02-23 Lorenz C Ag Antenna device
US2558727A (en) * 1942-07-01 1951-07-03 Edwin J Bernet Antenna
US3836977A (en) * 1973-06-25 1974-09-17 Hazeltine Corp Antenna system having a reflector with a substantially open construction

Also Published As

Publication number Publication date
JPS50137655A (en) 1975-10-31
GB1393081A (en) 1975-05-07
JPS63967B2 (en) 1988-01-09
US3836977A (en) 1974-09-17
IL44559A (en) 1976-09-30
DE2427505A1 (en) 1975-01-16
AU6580674A (en) 1975-08-21
DE2427505C2 (en) 1985-08-01
JPS5034141A (en) 1975-04-02
CA1011452A (en) 1977-05-31
PL90789B1 (en) 1977-01-31
IT1010296B (en) 1977-01-10
SE389769B (en) 1976-11-15
JPS591001B2 (en) 1984-01-10
FR2234671A1 (en) 1975-01-17
SU814289A3 (en) 1981-03-15
NL183113C (en) 1988-07-18
IL44559A0 (en) 1974-06-30
NL7408568A (en) 1974-12-30
SE7403002L (en) 1974-12-27
FR2234671B1 (en) 1980-03-14
NL183113B (en) 1988-02-16
DD112551A5 (en) 1975-04-12
CS191234B2 (en) 1979-06-29

Similar Documents

Publication Publication Date Title
BR7404532D0 (en) PERFECTED ANTENNA SYSTEM WITH A SUBSTANTIALLY OPEN CONSTRUCTION REFLECTOR
IT985711B (en) REINFORMS WITH RADIATING SYSTEM
BR7601605A (en) PARABOLIC TYPE REFLECTOR SYSTEM, FACETED
IT1010240B (en) FLASH REFLECTOR SYSTEM
GB1441222A (en) Reflector antenna
BR7402610D0 (en) ANTENNA SYSTEM
NL168086C (en) HORN ANTENNA.
BR7402611D0 (en) PERFECTED ANTENNA SYSTEM
BR7402609D0 (en) ANTENNA SYSTEM
NL7613553A (en) FLAT RADAR ANTENNA.
BR7402612D0 (en) ANTENNA SYSTEM
SE389770B (en) ANTENNA SYSTEM
FI53878C (en) REFLECTOR FOR ROERFORM WITH LYSROLLER SPECIFIC FOR LYSROER
NO137510C (en) REFLECTOR DEVICE.
SE389229B (en) DIRECTIONAL ANTENNA DEVICE FOR A RADAR DEVICE
IT1022041B (en) RADIO ANTENNA
ES188969Y (en) PERFECTED ANTENNA.
ES187709Y (en) PERFECTED ANTENNA.
BE802041A (en) WINDSCREEN WITH BUILT-IN ANTENNA
NL7413909A (en) CENTRAL ANTENNA SYSTEM.
ES191032Y (en) PERFECTED TELESCOPIC ANTENNA.
CH533911A (en) Radar reflector antenna
ES178654Y (en) PERFECTED ANTENNA.
ES190809Y (en) PERFECTED DESKTOP ANTENNA.
AR201192A1 (en) ANTENNAS SUPPORT