EP0290844A3 - Directional antenna - Google Patents

Directional antenna Download PDF

Info

Publication number
EP0290844A3
EP0290844A3 EP19880106532 EP88106532A EP0290844A3 EP 0290844 A3 EP0290844 A3 EP 0290844A3 EP 19880106532 EP19880106532 EP 19880106532 EP 88106532 A EP88106532 A EP 88106532A EP 0290844 A3 EP0290844 A3 EP 0290844A3
Authority
EP
European Patent Office
Prior art keywords
directional antenna
directional
antenna
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP19880106532
Other languages
German (de)
Other versions
EP0290844A2 (en
EP0290844B1 (en
Inventor
Heinrich Dipl.-Ing. Otters
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bosch Telecom GmbH
Original Assignee
ANT Nachrichtentechnik GmbH
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
Application filed by ANT Nachrichtentechnik GmbH filed Critical ANT Nachrichtentechnik GmbH
Publication of EP0290844A2 publication Critical patent/EP0290844A2/en
Publication of EP0290844A3 publication Critical patent/EP0290844A3/en
Application granted granted Critical
Publication of EP0290844B1 publication Critical patent/EP0290844B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/02—Waveguide horns
    • H01Q13/0266—Waveguide horns provided with a flange or a choke
    • 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
    • H01Q19/06—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 refracting or diffracting devices, e.g. lens
    • 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
    • H01Q19/18—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 having two or more spaced reflecting surfaces
    • H01Q19/19—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 having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface
EP88106532A 1987-05-14 1988-04-23 Directional antenna Expired - Lifetime EP0290844B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873716033 DE3716033A1 (en) 1987-05-14 1987-05-14 DIRECTIONAL ANTENNA
DE3716033 1987-05-14

Publications (3)

Publication Number Publication Date
EP0290844A2 EP0290844A2 (en) 1988-11-17
EP0290844A3 true EP0290844A3 (en) 1990-12-19
EP0290844B1 EP0290844B1 (en) 1993-07-21

Family

ID=6327481

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88106532A Expired - Lifetime EP0290844B1 (en) 1987-05-14 1988-04-23 Directional antenna

Country Status (2)

Country Link
EP (1) EP0290844B1 (en)
DE (2) DE3716033A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100015599A (en) * 2007-03-16 2010-02-12 모바일 에스에이티 리미티드 A vehicle mounted antenna and methods for transmitting and/or receiving signals

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2059164A (en) * 1979-09-29 1981-04-15 Licentia Gmbh Aerial exiter
EP0034810A1 (en) * 1980-02-26 1981-09-02 Siemens Aktiengesellschaft Directional microwave antenna to realize a sector-shaped lobe
US4578681A (en) * 1983-06-21 1986-03-25 Chaparral Communications, Inc. Method and apparatus for optimizing feedhorn performance

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1048298B (en) * 1957-03-20 1959-01-08 Deutsche Bundespost Antenna arrangement with a parabolic mirror fed in via a hollow pipe
DE1516821B2 (en) * 1966-04-22 1974-01-31 Siemens Ag, 1000 Berlin U. 8000 Muenchen Waveguide radiator with a rotationally symmetrical sector-shaped radiation diagram
DE2607809A1 (en) * 1976-02-26 1977-09-01 Deutsche Bundespost Low bunching microwave aerial - has transverse slot width and spacing from aperture chosen to ensure phase side lobes reversal
DE2842298A1 (en) * 1978-09-28 1980-05-22 Siemens Ag Directional antenna for very short waves - has secondary reflector formed by central metal part on dielectric cover of main reflector

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2059164A (en) * 1979-09-29 1981-04-15 Licentia Gmbh Aerial exiter
EP0034810A1 (en) * 1980-02-26 1981-09-02 Siemens Aktiengesellschaft Directional microwave antenna to realize a sector-shaped lobe
US4578681A (en) * 1983-06-21 1986-03-25 Chaparral Communications, Inc. Method and apparatus for optimizing feedhorn performance

Also Published As

Publication number Publication date
EP0290844A2 (en) 1988-11-17
DE3882428D1 (en) 1993-08-26
EP0290844B1 (en) 1993-07-21
DE3716033A1 (en) 1988-12-01

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