GB2074792A
Expired / Lapsed
GB
⏱️ 0.0 years remaining
Thin-structure aerial
Assignee: Koninklijke Philips NV
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Filing: 1981-04-13
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Granted: —
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Expires: 2001-04-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
GB
Data Source
google_patents
Last Synchronized
2026-10-29 16:34
CPC Classifications
H; H01; H01Q; H01Q13/00; H01Q13/10; H01Q13/106
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
90 words
A thin-structure aerial comprising a dielectric sheet substrate having on one major surface a first layer of conductive material and on the other major surface a further layer of conductive material with a radiating slot formed therein and means for simulating lateral conductive walls extending between the conductive 60 layers and surrounding the radiating slot, characterised in that there is provided a feed slot which is formed in said further layer of conductive material on said other major surface and which is disposed parallel to and near the radiating slot.
Claim 2
Dependent Claim
90 words
A thin-structure aerial comprising a dielectric sheet substrate having on one major surface a first layer of conductive material and on the other major surface a further layer of conductive material with a radiating slot formed therein and means for simulating lateral conductive walls extending between the conductive 60 layers and surrounding the radiating slot, characterised in that there is provided a feed slot which is formed in said further layer of conductive material on said other major surface and which is disposed parallel to and near the radiating slot.
Claim 3
Dependent Claim
51 words
A thin-structure aerial as claimed in Claim 1, characterised in that the means for simulating lateral walls comprise conductive sheets which interconnect the layers of conductive material on the major 65 surfaces. 5 10 15 20 25 30 35 40 45 50 55 60 65 5 GB 2 074 792A 5
Claim 4
Dependent Claim
51 words
A thin-structure aerial as claimed in Claim 1, characterised in that the means for simulating lateral walls comprise holes which extend through the substrate from one major surface to the other and the walls of which are covered by a layer of conductive materia! interconnecting the layers on the major surfaces.
Claim 5
Dependent Claim
53 words
A thin-structure aerial as claimed in Claim 1, characterised in that the means for simulating lateral 5 walls comprise crenellations formed between solid portions in the periphery of said further layer, the depth 5 of the crenellations being such that an impedance of substantially zero is obtained at the bottom of said crenellation.
Claim 6
Dependent Claim
40 words
A thin-structure aerial as claimed in any of Claims 1 to 4, characterised in that a feed point is arranged » in the portion of the further layer of conductive material between the radiating slot and the feed slot. 10
Claim 7
Dependent Claim
32 words
A thin-structure aerial as claimed in any of Claims 1 to 4, characterised in that a feed point is disposed 10 on a coplanar line connecting it to the feed slot. •
Claim 8
Dependent Claim
56 words
A thin-structure aerial as claimed in Claim 5 or 6, characterised in that it comprises adjacent the feed point a coaxial connector on said one major surface, a central contact pin thereof being connected to the feed point and an outer conductor thereof being connected by a flange to the first layer of conductive material. 15
Claim 9
Dependent Claim
58 words
A thin-structure aerial as claimed in any of Claims 1 to 7, adapted to radiate a circulatory polarized 15 wave, characterised in that it comprises two radiating slots disposed perpendicularly to each other with respective feed slots and in that lengths of the feed slots are selected so as to obtain phase-quadrature energization of the two radiating slots.
Claim 10
Dependent Claim
63 words
An aerial substantially as herein described with reference to Figures 1 and 4 or Figures 5 and 6 or to 20 any of Figures 7 to 13 of the accompanying drawings. 20 Printed for Her Majesty's Stationery Office, by Croydon Printing Company Limited, Croydon, Surrey, 1981. Published by The Patent Office, 25 Southampton Buildings, London, WC2A 1AY, from which copies may be obtained.
Claim 11
Dependent Claim
63 words
An aerial substantially as herein described with reference to Figures 1 and 4 or Figures 5 and 6 or to 20 any of Figures 7 to 13 of the accompanying drawings. 20 Printed for Her Majesty's Stationery Office, by Croydon Printing Company Limited, Croydon, Surrey, 1981. Published by The Patent Office, 25 Southampton Buildings, London, WC2A 1AY, from which copies may be obtained.
References Cited (Backward Citations)
No citation records indexed.
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