US5055852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diplexing radiating element
Assignee: Alcatel Espace Industries SA
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Filing: 1990-06-20
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Granted: 1991-10-08
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Expires: 2010-06-20
Abstract
Abstract A diplexing radiating element comprising at least a first radiating element in which two radiating electrical currents flow which are spaced apart from each other, and at least one second element in which two radiating magnetic currents flow which are spaced apart from each other. The invention is particularly applicable to space telecommunications.
Inventors
- 👤 Thierry Dusseux
- 👤 Michel Gomez-Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:18
CPC Classifications
H; H01; H01Q; H01Q13/00; H01Q13/10; H01Q21/00; H01Q21/06; H01Q21/061; H01Q5/00; H01Q5/40; H01Q9/00; H01Q9/04; H01Q9/0407; H01Q9/0414; H01Q9/0428; H01Q9/0435
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
143 words
A diplexing radiating device comprising: a first resonant radiating element and a second resonant radiating element, said resonant radiating elements operating in different frequency bands; said first radiating element including only one conductor; said second radiating element including a first conductor surrounding a second conductor and defining a slot therebetween; a microwave source being connected to at least one access feeding the first radiating element; said slot being fed by at least one line; said first conductor of the second radiating element constituting a ground plane; a reflector-plane causing the radiation from the slot to be unidirectional; and said diplexing radiating device being a stack consisting of: said first resonant radiating element; a first spacer; said first and second conductors of the second resonant radiating element; a second spacer; and said reflector-plane; whereby the coupling between said two resonant radiating elements is minimal.
Claim 2
Dependent Claim
143 words
A diplexing radiating device comprising: a first resonant radiating element and a second resonant radiating element, said resonant radiating elements operating in different frequency bands; said first radiating element including only one conductor; said second radiating element including a first conductor surrounding a second conductor and defining a slot therebetween; a microwave source being connected to at least one access feeding the first radiating element; said slot being fed by at least one line; said first conductor of the second radiating element constituting a ground plane; a reflector-plane causing the radiation from the slot to be unidirectional; and said diplexing radiating device being a stack consisting of: said first resonant radiating element; a first spacer; said first and second conductors of the second resonant radiating element; a second spacer; and said reflector-plane; whereby the coupling between said two resonant radiating elements is minimal.
Claim 3
Dependent Claim
30 words
A diplexing radiating device according to claim 1, wherein the first radiating element has the form of an annular ring constituted by a conductive strip which is circular in shape.
Claim 4
Dependent Claim
17 words
A diplexing radiating device according to claim 1, wherein the second radiating element is an annular slot.
Claim 5
Dependent Claim
14 words
A diplexing radiating device according to claim 1, wherein the spacers are dielectric spacers.
Claim 6
Dependent Claim
32 words
A diplexing radiating device according to claim 1, wherein a microwave source feeding the first radiating element is connected to at least two accesses offset from each other by rotation through 90°.
Claim 7
Dependent Claim
18 words
A diplexing radiating device according to claim 1, wherein the first radiating element is a circular resonant antenna.
Claim 8
Dependent Claim
16 words
A diplexing radiating device according to claim 1, disposed in a waveguide for exciting said waveguide.
Claim 9
Dependent Claim
25 words
A diplexing radiating device according to claim 1, having generated waves polarized in one of linear and circular polarizations, and in at least one direction.
Claim 10
Dependent Claim
156 words
An array antenna comprising a group of diplexing radiation devices, each of said diplexing radiation devices comprising: a first resonant radiating element and a second resonant radiating element, said resonant radiating elements operating in different frequency bands; said first radiating element including only one conductor; said second radiating element including a first conductor surrounding a second conductor and defining a slot therebetween; a microwave source being connected to at least one access feeding the first radiating element; said slot being fed by at least one line; said first conductor of the second radiating element constituting a ground plane; a reflector-plane causing the radiation from the slot to be unidirectional; and said diplexing radiating devices each being a stack consisting of: said first resonant radiating element; a first spacer; said first and second conductors of the second resonant radiating element; a second spacer; and said reflector-plane; whereby the coupling between said two resonant radiating elements is minimal.
Claim 11
Dependent Claim
156 words
An array antenna comprising a group of diplexing radiation devices, each of said diplexing radiation devices comprising: a first resonant radiating element and a second resonant radiating element, said resonant radiating elements operating in different frequency bands; said first radiating element including only one conductor; said second radiating element including a first conductor surrounding a second conductor and defining a slot therebetween; a microwave source being connected to at least one access feeding the first radiating element; said slot being fed by at least one line; said first conductor of the second radiating element constituting a ground plane; a reflector-plane causing the radiation from the slot to be unidirectional; and said diplexing radiating devices each being a stack consisting of: said first resonant radiating element; a first spacer; said first and second conductors of the second resonant radiating element; a second spacer; and said reflector-plane; whereby the coupling between said two resonant radiating elements is minimal.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-10-07 | 1995-04-08 | 1995-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-10-07 | 1999-04-08 | 1999-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-10-07 | 2003-04-08 | 2003-10-08 | $7700.00 | Window Closed / Lapsed |