IT9067404A0 - circuito - Google Patents
circuitoInfo
- Publication number
- IT9067404A0 IT9067404A0 IT9067404A IT6740490A IT9067404A0 IT 9067404 A0 IT9067404 A0 IT 9067404A0 IT 9067404 A IT9067404 A IT 9067404A IT 6740490 A IT6740490 A IT 6740490A IT 9067404 A0 IT9067404 A0 IT 9067404A0
- Authority
- IT
- Italy
- Prior art keywords
- circuit
- Prior art date
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
- H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
- H01Q15/12—Refracting or diffracting devices, e.g. lens, prism functioning also as polarisation filter
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/06—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using refracting or diffracting devices, e.g. lens
- H01Q19/062—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using refracting or diffracting devices, e.g. lens for focusing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/18—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces
- H01Q19/19—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/18—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces
- H01Q19/19—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface
- H01Q19/191—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface wherein the primary active element uses one or more deflecting surfaces, e.g. beam waveguide feeds
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/02—Antennas or antenna systems providing at least two radiating patterns providing sum and difference patterns
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/2676—Optically controlled phased array
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8913041 | 1989-06-07 |
Publications (3)
Publication Number | Publication Date |
---|---|
IT9067404A0 true IT9067404A0 (it) | 1990-06-05 |
IT9067404A1 IT9067404A1 (it) | 1991-12-05 |
IT1290980B1 IT1290980B1 (it) | 1998-12-14 |
Family
ID=10658007
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT06740490A IT1290980B1 (it) | 1989-06-07 | 1990-06-05 | Circuito di alimentazione per antenne radar |
Country Status (6)
Country | Link |
---|---|
US (1) | US6198451B1 (it) |
DE (1) | DE4039898C2 (it) |
FR (1) | FR2755796B1 (it) |
GB (1) | GB2318215B (it) |
IT (1) | IT1290980B1 (it) |
SE (1) | SE9002025D0 (it) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6846056B2 (en) * | 2002-12-17 | 2005-01-25 | Hewlett-Packard Development Company, L.P. | Optimizing printing parameters for a print medium |
DE102005062772A1 (de) * | 2005-12-28 | 2007-07-05 | Robert Bosch Gmbh | Radarvorrichtung |
US8798564B2 (en) * | 2009-03-17 | 2014-08-05 | Provigent Ltd. | Transmitter with replaceable power amplifier |
US8803749B2 (en) * | 2011-03-25 | 2014-08-12 | Kwok Wa Leung | Elliptically or circularly polarized dielectric block antenna |
US8861407B2 (en) | 2011-07-07 | 2014-10-14 | Provigent Ltd. | Multiple connection options for a transceiver |
EP3841676B1 (en) * | 2018-08-21 | 2024-03-13 | Telefonaktiebolaget LM Ericsson (publ) | Radio unit and radio link transceiver for cross-polar signal transfer |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB742401A (en) * | 1953-01-26 | 1955-12-30 | Mini Of Supply | Microwave transmission apparatus |
GB735901A (en) * | 1953-02-06 | 1955-08-31 | Marconi Wireless Telegraph Co | Improvements in or relating to hybrid junction arrangements for use on micro radio waves |
US4284992A (en) * | 1979-12-26 | 1981-08-18 | Bell Telephone Laboratories, Incorporated | Wide scan quasi-optical frequency diplexer |
US4491977A (en) * | 1982-06-10 | 1985-01-01 | Hughes Aircraft Company | Millimeter-wave quasi-optical planar balanced mixer |
US5034750A (en) * | 1983-10-31 | 1991-07-23 | Raytheon Company | Pulse radar and components therefor |
US5091730A (en) * | 1983-10-31 | 1992-02-25 | Raytheon Company | Pulse radar and components therefor |
US4758843A (en) * | 1986-06-13 | 1988-07-19 | General Electric Company | Printed, low sidelobe, monopulse array antenna |
US4882235A (en) * | 1988-03-02 | 1989-11-21 | Raytheon Company | Liquid crystal cell window |
US4980925A (en) * | 1989-01-03 | 1990-12-25 | Raytheon Company | Monopulse first detector array |
-
1990
- 1990-06-05 IT IT06740490A patent/IT1290980B1/it active IP Right Grant
- 1990-06-06 SE SE9002025A patent/SE9002025D0/xx unknown
- 1990-06-06 DE DE4039898A patent/DE4039898C2/de not_active Expired - Fee Related
- 1990-06-06 GB GB9012581A patent/GB2318215B/en not_active Expired - Lifetime
- 1990-06-06 FR FR9007020A patent/FR2755796B1/fr not_active Expired - Lifetime
-
1993
- 1993-02-04 US US08/086,644 patent/US6198451B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE4039898C2 (de) | 2002-08-01 |
GB9012581D0 (en) | 1997-11-19 |
IT9067404A1 (it) | 1991-12-05 |
US6198451B1 (en) | 2001-03-06 |
IT1290980B1 (it) | 1998-12-14 |
SE9002025D0 (sv) | 1990-06-06 |
DE4039898A1 (de) | 1999-03-11 |
GB2318215B (en) | 1998-09-02 |
FR2755796B1 (fr) | 1999-04-23 |
FR2755796A1 (fr) | 1998-05-15 |
GB2318215A (en) | 1998-04-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |