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
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
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 (https=) | 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 (https=) |
| FR (1) | FR2677814B1 (https=) |
| GB (1) | GB2251520B (https=) |
| IT (1) | IT1249889B (https=) |
| SE (1) | SE9101892L (https=) |
Families Citing this family (18)
| 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)
| 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 |
-
1990
- 1990-06-22 FR FR9007843A patent/FR2677814B1/fr not_active Expired - Fee Related
-
1991
- 1991-05-31 IT ITTO910410A patent/IT1249889B/it active IP Right Grant
- 1991-06-19 SE SE9101892A patent/SE9101892L/ not_active Application Discontinuation
- 1991-06-20 GB GB9113328A patent/GB2251520B/en not_active Expired - Fee Related
- 1991-06-21 DE DE4120521A patent/DE4120521C2/de not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| GB9113328D0 (en) | 1992-04-08 |
| FR2677814A1 (fr) | 1992-12-18 |
| SE9101892L (sv) | 1993-01-15 |
| DE4120521C2 (de) | 2000-06-29 |
| GB2251520A (en) | 1992-07-08 |
| FR2677814B1 (fr) | 1993-10-29 |
| IT1249889B (it) | 1995-03-30 |
| ITTO910410A1 (it) | 1992-12-01 |
| GB2251520B (en) | 1994-06-08 |
| DE4120521A1 (de) | 1992-09-03 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 0001 | Granted | ||
| TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19990430 |