ITTO910410A0 - - Google Patents

Info

Publication number
ITTO910410A0
ITTO910410A0 IT91TO410A ITTO910410A ITTO910410A0 IT TO910410 A0 ITTO910410 A0 IT TO910410A0 IT 91TO410 A IT91TO410 A IT 91TO410A IT TO910410 A ITTO910410 A IT TO910410A IT TO910410 A0 ITTO910410 A0 IT TO910410A0
Authority
IT
Italy
Application number
IT91TO410A
Other languages
Italian (it)
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 filed Critical
Publication of ITTO910410A0 publication Critical patent/ITTO910410A0/it
Publication of ITTO910410A1 publication Critical patent/ITTO910410A1/it
Application granted granted Critical
Publication of IT1249889B publication Critical patent/IT1249889B/it

Links

Classifications

    • 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
    • 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
    • H01Q13/106—Microstrip slot antennas
ITTO910410A 1990-06-22 1991-05-31 Antenna piatta per iperfrequenze a due polarizzazioni ortogonali con una coppia di fenditure radianti ortogonali IT1249889B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9007843A FR2677814B1 (fr) 1990-06-22 1990-06-22 Antenne plate hyperfrequence a deux polarisations orthogonales avec un couple de fentes orthogonales rayonnantes.

Publications (3)

Publication Number Publication Date
ITTO910410A0 true ITTO910410A0 (cs) 1991-05-31
ITTO910410A1 ITTO910410A1 (it) 1992-12-01
IT1249889B IT1249889B (it) 1995-03-30

Family

ID=9397903

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO910410A IT1249889B (it) 1990-06-22 1991-05-31 Antenna piatta per iperfrequenze a due polarizzazioni ortogonali con una coppia di fenditure radianti ortogonali

Country Status (5)

Country Link
DE (1) DE4120521C2 (cs)
FR (1) FR2677814B1 (cs)
GB (1) GB2251520B (cs)
IT (1) IT1249889B (cs)
SE (1) SE9101892L (cs)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5589840A (en) * 1991-11-05 1996-12-31 Seiko Epson Corporation Wrist-type wireless instrument and antenna apparatus
GB9220414D0 (en) * 1992-09-28 1992-11-11 Pilkington Plc Patch antenna assembly
IL107478A0 (en) * 1992-11-16 1994-07-31 Hughes Missile Systems Cross-slot microwave antenna
FR2701614B1 (fr) * 1993-02-12 1995-04-28 Hyper X International Sa Unité de transfert de données à distance et transpondeur correspondant.
GB2304466B (en) * 1993-03-17 1997-10-22 Seiko Epson Corp Slot antenna device
GB2276274B (en) * 1993-03-17 1997-10-22 Seiko Epson Corp Slot antenna device
US5757326A (en) * 1993-03-29 1998-05-26 Seiko Epson Corporation Slot antenna device and wireless apparatus employing the antenna device
FR2705167B1 (fr) * 1993-05-11 1995-08-04 France Telecom Antenne plaquee large bande a encombrement reduit, et dispositif d'emission/reception correspondant.
GB9410994D0 (en) * 1994-06-01 1994-07-20 Alan Dick & Company Limited Antennae
GB9417401D0 (en) * 1994-08-30 1994-10-19 Pilkington Plc Patch antenna assembly
JP3417083B2 (ja) * 1994-10-04 2003-06-16 セイコーエプソン株式会社 携帯用無線機
SE505796C2 (sv) * 1996-01-19 1997-10-13 Ericsson Telefon Ab L M Dubbelt polariserad antenn
DE19628125A1 (de) * 1996-07-12 1998-01-15 Daimler Benz Ag Aktive Empfangsantenne
SE511497C2 (sv) 1997-02-25 1999-10-11 Ericsson Telefon Ab L M Anordning för att mottaga och sända radiosignaler
EP1753084B1 (en) * 2001-04-11 2011-08-24 Kyocera Corporation Ferroelectric slot antenna
US6778144B2 (en) 2002-07-02 2004-08-17 Raytheon Company Antenna
GB2415863A (en) * 2004-07-01 2006-01-04 British Sky Broadcasting Ltd Wireless network system and devices with redundancy between orthogonally polarised beams
US20090322621A1 (en) * 2008-06-30 2009-12-31 Qualcomm Incorporated Antenna array configurations for high throughput mimo wlan systems

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4054874A (en) * 1975-06-11 1977-10-18 Hughes Aircraft Company Microstrip-dipole antenna elements and arrays thereof
US4364050A (en) * 1981-02-09 1982-12-14 Hazeltine Corporation Microstrip antenna
US4590478A (en) * 1983-06-15 1986-05-20 Sanders Associates, Inc. Multiple ridge antenna
US4710775A (en) * 1985-09-30 1987-12-01 The Boeing Company Parasitically coupled, complementary slot-dipole antenna element
FR2598036B1 (fr) * 1986-04-23 1988-08-12 France Etat Antenne plaque a doubles polarisations croisees
EP0295003A3 (en) * 1987-06-09 1990-08-29 THORN EMI plc Antenna
US4903033A (en) * 1988-04-01 1990-02-20 Ford Aerospace Corporation Planar dual polarization antenna
US4916457A (en) * 1988-06-13 1990-04-10 Teledyne Industries, Inc. Printed-circuit crossed-slot antenna

Also Published As

Publication number Publication date
DE4120521C2 (de) 2000-06-29
ITTO910410A1 (it) 1992-12-01
GB9113328D0 (en) 1992-04-08
IT1249889B (it) 1995-03-30
GB2251520A (en) 1992-07-08
FR2677814A1 (fr) 1992-12-18
SE9101892L (sv) 1993-01-15
DE4120521A1 (de) 1992-09-03
FR2677814B1 (fr) 1993-10-29
GB2251520B (en) 1994-06-08

Similar Documents

Publication Publication Date Title
DK0493553T3 (cs)
DE4191166T (cs)
DE4190941T (cs)
DE4191754T (cs)
DE4192071T (cs)
DE4190152T (cs)
ITTO910410A0 (cs)
DE4191321T (cs)
DE4193387T1 (cs)
CH680892A5 (cs)
DE4190616T (cs)
DE4193392T1 (cs)
DE4190458T (cs)
DE4092623T1 (cs)
DE4190581T (cs)
DE9100549U1 (cs)
DE4190068T (cs)
DE4191212T (cs)
DE4190568T (cs)
DE4190022T (cs)
FR2662213B1 (cs)
ECSM90400U (cs)
ECSM90474U (cs)
ECSM90508U (cs)
ECSM90503U (cs)

Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19990430