EP0375416A3 - Plane slot antenna - Google Patents

Plane slot antenna Download PDF

Info

Publication number
EP0375416A3
EP0375416A3 EP19890313427 EP89313427A EP0375416A3 EP 0375416 A3 EP0375416 A3 EP 0375416A3 EP 19890313427 EP19890313427 EP 19890313427 EP 89313427 A EP89313427 A EP 89313427A EP 0375416 A3 EP0375416 A3 EP 0375416A3
Authority
EP
European Patent Office
Prior art keywords
slot antenna
plane slot
plane
antenna
slot
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
EP19890313427
Other versions
EP0375416B1 (en
EP0375416A2 (en
Inventor
Takuji Harada
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.)
Harada Industry Co Ltd
Original Assignee
Harada Industry Co Ltd
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 Harada Industry Co Ltd filed Critical Harada Industry Co Ltd
Publication of EP0375416A2 publication Critical patent/EP0375416A2/en
Publication of EP0375416A3 publication Critical patent/EP0375416A3/en
Application granted granted Critical
Publication of EP0375416B1 publication Critical patent/EP0375416B1/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
    • H01Q13/10—Resonant slot antennas
    • H01Q13/16—Folded slot 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Waveguide Aerials (AREA)
  • Details Of Aerials (AREA)
EP19890313427 1988-12-23 1989-12-21 Plane slot antenna Expired - Lifetime EP0375416B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP32550588A JPH02170702A (en) 1988-12-23 1988-12-23 Plane antenna
JP325505/88 1988-12-23

Publications (3)

Publication Number Publication Date
EP0375416A2 EP0375416A2 (en) 1990-06-27
EP0375416A3 true EP0375416A3 (en) 1990-11-14
EP0375416B1 EP0375416B1 (en) 1995-07-12

Family

ID=18177626

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890313427 Expired - Lifetime EP0375416B1 (en) 1988-12-23 1989-12-21 Plane slot antenna

Country Status (4)

Country Link
EP (1) EP0375416B1 (en)
JP (1) JPH02170702A (en)
DE (1) DE68923440T2 (en)
ES (1) ES2076969T3 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5355144A (en) * 1992-03-16 1994-10-11 The Ohio State University Transparent window antenna
KR0145052B1 (en) * 1993-12-29 1998-08-01 와다 요시히로 Insulator for vehicle body, vehicle antenna and its setting method
GB9813129D0 (en) * 1998-06-17 1998-08-19 Harada Ind Europ Limited Multiband vehicle screen antenna
GB9910246D0 (en) * 1999-05-05 1999-06-30 Asg Technology Limited Concealed radio atenna system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3665480A (en) * 1969-01-23 1972-05-23 Raytheon Co Annular slot antenna with stripline feed
US4229744A (en) * 1979-03-14 1980-10-21 The United States Of America As Represented By The Field Operations Bureau Of The Federal Communications Commission Directional annular slot antenna
EP0261762A1 (en) * 1986-07-25 1988-03-30 General Motors Corporation Vehicle roof mounted slot antenna with separate AM and FM feeds
EP0262755A1 (en) * 1986-07-25 1988-04-06 General Motors Corporation Vehicle roof mounted slot antenna with am and fm grounding

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS583302A (en) * 1981-06-29 1983-01-10 Mitsubishi Electric Corp Antenna device for car mounting

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3665480A (en) * 1969-01-23 1972-05-23 Raytheon Co Annular slot antenna with stripline feed
US4229744A (en) * 1979-03-14 1980-10-21 The United States Of America As Represented By The Field Operations Bureau Of The Federal Communications Commission Directional annular slot antenna
EP0261762A1 (en) * 1986-07-25 1988-03-30 General Motors Corporation Vehicle roof mounted slot antenna with separate AM and FM feeds
EP0262755A1 (en) * 1986-07-25 1988-04-06 General Motors Corporation Vehicle roof mounted slot antenna with am and fm grounding

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
RADIO AND ELECTRONIC ENGINEER. vol. 45, no. 7, July 1975, LONDON GB pages 357 - 367; Parsons et al.: "Diversity techniques for mobile radio reception " *

Also Published As

Publication number Publication date
DE68923440T2 (en) 1995-12-07
EP0375416B1 (en) 1995-07-12
DE68923440D1 (en) 1995-08-17
EP0375416A2 (en) 1990-06-27
ES2076969T3 (en) 1995-11-16
JPH02170702A (en) 1990-07-02

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