GB2256530B - Planar antenna - Google Patents

Planar antenna

Info

Publication number
GB2256530B
GB2256530B GB9208832A GB9208832A GB2256530B GB 2256530 B GB2256530 B GB 2256530B GB 9208832 A GB9208832 A GB 9208832A GB 9208832 A GB9208832 A GB 9208832A GB 2256530 B GB2256530 B GB 2256530B
Authority
GB
United Kingdom
Prior art keywords
planar antenna
antenna
planar
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.)
Expired - Lifetime
Application number
GB9208832A
Other versions
GB9208832D0 (en
GB2256530A (en
Inventor
Katsuya Tsukamoto
Iwakuni Ujiyama
Kaname Okuno
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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
Priority claimed from JP3330586A external-priority patent/JPH0567912A/en
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Publication of GB9208832D0 publication Critical patent/GB9208832D0/en
Publication of GB2256530A publication Critical patent/GB2256530A/en
Application granted granted Critical
Publication of GB2256530B publication Critical patent/GB2256530B/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
    • 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
    • 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
    • H01Q15/24—Polarising devices; Polarisation filters 
    • H01Q15/242—Polarisation converters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
GB9208832A 1991-04-24 1992-04-23 Planar antenna Expired - Lifetime GB2256530B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9383691 1991-04-24
JP3330586A JPH0567912A (en) 1991-04-24 1991-12-13 Flat antenna

Publications (3)

Publication Number Publication Date
GB9208832D0 GB9208832D0 (en) 1992-06-10
GB2256530A GB2256530A (en) 1992-12-09
GB2256530B true GB2256530B (en) 1995-08-09

Family

ID=26435121

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9208832A Expired - Lifetime GB2256530B (en) 1991-04-24 1992-04-23 Planar antenna

Country Status (2)

Country Link
DE (1) DE4213560C2 (en)
GB (1) GB2256530B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4313395A1 (en) * 1993-04-23 1994-11-10 Hirschmann Richard Gmbh Co Planar antenna
US5467100A (en) * 1993-08-09 1995-11-14 Trw Inc. Slot-coupled fed dual circular polarization TEM mode slot array antenna
GB9408006D0 (en) * 1994-04-22 1994-06-15 Continental Microwave Technolo Microwave planar antenna
DE4442894A1 (en) * 1994-12-02 1996-06-13 Dettling & Oberhaeusser Ing Receiver module for the reception of high-frequency electromagnetic directional radiation fields
DE19712510A1 (en) * 1997-03-25 1999-01-07 Pates Tech Patentverwertung Two-layer broadband planar source
DE19845868A1 (en) * 1998-10-05 2000-04-06 Pates Tech Patentverwertung Dual focus planar antenna
DE19855115A1 (en) * 1998-11-30 2000-06-08 Technisat Elektronik Thueringe Multi-layer antenna arrangement
JP5427511B2 (en) * 2009-08-19 2014-02-26 三菱電機株式会社 ANTENNA DEVICE AND ANTENNA DEVICE MANUFACTURING METHOD

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2219143A (en) * 1988-05-26 1989-11-29 Matsushita Electric Works Ltd Planar antenna
US4929959A (en) * 1988-03-08 1990-05-29 Communications Satellite Corporation Dual-polarized printed circuit antenna having its elements capacitively coupled to feedlines
GB2232300A (en) * 1989-05-15 1990-12-05 Matsushita Electric Works Ltd Planar antenna
US5005019A (en) * 1986-11-13 1991-04-02 Communications Satellite Corporation Electromagnetically coupled printed-circuit antennas having patches or slots capacitively coupled to feedlines

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3854140A (en) * 1973-07-25 1974-12-10 Itt Circularly polarized phased antenna array
JPS5799803A (en) * 1980-12-12 1982-06-21 Toshio Makimoto Microstrip line antenna for circular polarized wave
FR2523376A1 (en) * 1982-03-12 1983-09-16 Labo Electronique Physique RADIATION ELEMENT OR HYPERFREQUENCY SIGNAL RECEIVER WITH LEFT AND RIGHT CIRCULAR POLARIZATIONS AND FLAT ANTENNA COMPRISING A NETWORK OF SUCH JUXTAPOSED ELEMENTS
JPH0720008B2 (en) * 1986-02-25 1995-03-06 松下電工株式会社 Planar antenna
JPS6365703A (en) * 1986-09-05 1988-03-24 Matsushita Electric Works Ltd Planar antenna
US4926189A (en) * 1988-05-10 1990-05-15 Communications Satellite Corporation High-gain single- and dual-polarized antennas employing gridded printed-circuit elements

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5005019A (en) * 1986-11-13 1991-04-02 Communications Satellite Corporation Electromagnetically coupled printed-circuit antennas having patches or slots capacitively coupled to feedlines
US4929959A (en) * 1988-03-08 1990-05-29 Communications Satellite Corporation Dual-polarized printed circuit antenna having its elements capacitively coupled to feedlines
GB2219143A (en) * 1988-05-26 1989-11-29 Matsushita Electric Works Ltd Planar antenna
GB2232300A (en) * 1989-05-15 1990-12-05 Matsushita Electric Works Ltd Planar antenna

Also Published As

Publication number Publication date
GB9208832D0 (en) 1992-06-10
DE4213560A1 (en) 1992-10-29
GB2256530A (en) 1992-12-09
DE4213560C2 (en) 1996-10-02

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 19960530

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20030423

PE20 Patent expired after termination of 20 years

Effective date: 20030423