EP0439677A3 - Vehicle antenna comprising a conductrice wall with a circular slot - Google Patents

Vehicle antenna comprising a conductrice wall with a circular slot Download PDF

Info

Publication number
EP0439677A3
EP0439677A3 EP19900117742 EP90117742A EP0439677A3 EP 0439677 A3 EP0439677 A3 EP 0439677A3 EP 19900117742 EP19900117742 EP 19900117742 EP 90117742 A EP90117742 A EP 90117742A EP 0439677 A3 EP0439677 A3 EP 0439677A3
Authority
EP
European Patent Office
Prior art keywords
conductrice
wall
circular slot
vehicle antenna
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.)
Withdrawn
Application number
EP19900117742
Other languages
German (de)
Other versions
EP0439677A2 (en
Inventor
Horst Doerrie
Uwe Dipl.-Ing. Militz
Heinrich Dipl.-Ing. Wilken
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0439677A2 publication Critical patent/EP0439677A2/en
Publication of EP0439677A3 publication Critical patent/EP0439677A3/en
Withdrawn legal-status Critical Current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
    • H01Q13/10—Resonant slot antennas
    • H01Q13/18—Resonant slot antennas the slot being backed by, or formed in boundary wall of, a resonant cavity ; Open cavity antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H01Q1/325—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle
    • H01Q1/3275—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle mounted on a horizontal surface of the vehicle, e.g. on roof, hood, trunk
    • 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
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0464—Annular ring patch
EP19900117742 1990-02-01 1990-09-14 Vehicle antenna comprising a conductrice wall with a circular slot Withdrawn EP0439677A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19904002899 DE4002899A1 (en) 1990-02-01 1990-02-01 Roof incorporated vehicle aerial - has coaxial cable passing through base of cup-shaped element below ring shaped gap in roof
DE4002899 1990-02-01

Publications (2)

Publication Number Publication Date
EP0439677A2 EP0439677A2 (en) 1991-08-07
EP0439677A3 true EP0439677A3 (en) 1991-09-11

Family

ID=6399177

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900117742 Withdrawn EP0439677A3 (en) 1990-02-01 1990-09-14 Vehicle antenna comprising a conductrice wall with a circular slot

Country Status (3)

Country Link
EP (1) EP0439677A3 (en)
JP (1) JPH057105A (en)
DE (1) DE4002899A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4463368B2 (en) * 1999-03-02 2010-05-19 パナソニック株式会社 Monopole antenna
JP2001156533A (en) * 1999-11-29 2001-06-08 Aisin Seiki Co Ltd Antenna system for vehicle
DE60110017T2 (en) * 2000-10-13 2006-03-09 Matsushita Electric Industrial Co., Ltd., Kadoma Flat wire-fed cavity slot antenna with a frequency-selective feed network for matching to two resonance frequencies
US7636063B2 (en) * 2005-12-02 2009-12-22 Eswarappa Channabasappa Compact broadband patch antenna
EP2458679B1 (en) * 2009-09-10 2016-07-27 Delphi Delco Electronics Europe GmbH Antenna for receiving circular polarised satellite radio signals
DE102010035934A1 (en) 2010-08-31 2012-03-01 Heinz Lindenmeier Receiving antenna for circularly polarized satellite radio signals
ES2668860T3 (en) * 2012-04-19 2018-05-22 Hensoldt Sensors Gmbh Annular groove antenna
DE102012107291B4 (en) * 2012-08-08 2020-02-13 HARTING Stiftung & Co. KG RFID tag with polarization-independent antenna

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2724772A (en) * 1950-05-10 1955-11-22 Decca Record Co Ltd Aircraft radio antennae
EP0174068A1 (en) * 1984-07-09 1986-03-12 The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Improvements in or relating to microstrip antennas
EP0278070A1 (en) * 1986-12-23 1988-08-17 Ball Corporation Circular microstrip vehicular rf antenna

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4836583B1 (en) * 1969-06-13 1973-11-06
DE2321374C2 (en) * 1973-04-27 1985-08-08 Wächtler, Maximilian, Dr., 2430 Sierksdorf DF antenna based on the Adcock principle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2724772A (en) * 1950-05-10 1955-11-22 Decca Record Co Ltd Aircraft radio antennae
EP0174068A1 (en) * 1984-07-09 1986-03-12 The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Improvements in or relating to microstrip antennas
EP0278070A1 (en) * 1986-12-23 1988-08-17 Ball Corporation Circular microstrip vehicular rf antenna

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
P.HONOLD 'Sekund{r-Radar' 1971 , SIEMENS AG , BERLIN UND M}NCHEN *

Also Published As

Publication number Publication date
EP0439677A2 (en) 1991-08-07
DE4002899A1 (en) 1991-08-08
JPH057105A (en) 1993-01-14

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Effective date: 19920312