EP0375416A3 - Plane slot antenna - Google Patents

Plane slot antenna Download PDF

Info

Publication number: EP0375416A3
Authority: EP; European Patent Office
Prior art keywords: slot antenna; plane slot; plane; antenna; slot
Prior art date: 1988-12-23
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.)

1988-12-23

Filing date

1989-12-21

Publication date

1990-11-14

1989-12-21 Application filed by Harada Industry Co Ltd filed Critical Harada Industry Co Ltd

1990-06-27 Publication of EP0375416A2 publication Critical patent/EP0375416A2/en

1990-11-14 Publication of EP0375416A3 publication Critical patent/EP0375416A3/en

1995-07-12 Application granted granted Critical

1995-07-12 Publication of EP0375416B1 publication Critical patent/EP0375416B1/en

2009-12-21 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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

1988
- 1988-12-23 JP JP32550588A patent/JPH02170702A/en active Pending
1989
- 1989-12-21 EP EP19890313427 patent/EP0375416B1/en not_active Expired - Lifetime
- 1989-12-21 ES ES89313427T patent/ES2076969T3/en not_active Expired - Lifetime
- 1989-12-21 DE DE1989623440 patent/DE68923440T2/en not_active Expired - Fee Related

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

Publication	Publication Date	Title
GB2208969B (en)	1992-04-01	Slot antenna
GB8803451D0 (en)	1988-03-16	Antenna
GB2195832B (en)	1990-08-15	Plane antenna
GB2187333B (en)	1989-12-06	Plane antenna
GB2194101B (en)	1991-03-27	Plane antenna
GB2227370B (en)	1993-06-02	Miniature antenna
IL89411A (en)	1992-09-06	Antenna structure
GB8904303D0 (en)	1989-04-12	Dual slot antenna
GB2216726B (en)	1991-12-11	Small antenna
GB9010295D0 (en)	1990-06-27	Slot array antenna
GB9002573D0 (en)	1990-04-04	Plane antenna
GB8917701D0 (en)	1989-09-20	Slot array antenna
GB2219143B (en)	1992-08-19	Planar antenna
GB8917699D0 (en)	1989-09-20	Slot array antenna
GB2225170B (en)	1992-12-16	Antenna
GB8829446D0 (en)	1989-05-17	Antenna
GB2221351B (en)	1991-12-04	Antenna
EP0375416A3 (en)	1990-11-14	Plane slot antenna
GB8727414D0 (en)	1987-12-23	Slot antenna
GB8805063D0 (en)	1988-03-30	Aerials
AU105372S (en)	1989-10-13	Antenna
GB8821171D0 (en)	1988-10-12	Antenna
GB8819143D0 (en)	1988-09-14	Antenna
GB2235093B (en)	1991-11-06	Crossed slot antenna
GB2228142B (en)	1993-01-06	Radome

Legal Events

Date	Code	Title	Description
1990-05-12	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1990-06-27	17P	Request for examination filed	Effective date: 19900111
1990-06-27	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE ES FR GB IT SE
1990-09-26	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1990-11-14	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE ES FR GB IT SE
1993-07-14	17Q	First examination report despatched	Effective date: 19930603
1995-05-25	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1995-07-12	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE ES FR GB IT SE
1995-07-14	ITF	It: translation for a ep patent filed
1995-07-28	ET	Fr: translation filed
1995-08-17	REF	Corresponds to:	Ref document number: 68923440 Country of ref document: DE Date of ref document: 19950817
1995-11-16	REG	Reference to a national code	Ref country code: ES Ref legal event code: FG2A Ref document number: 2076969 Country of ref document: ES Kind code of ref document: T3
1996-05-17	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1996-05-17	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1996-07-03	26N	No opposition filed
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