EP0646985A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Tuned stripline antenna with a sail
Assignee: Ford Motor Co
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Filing: 1994-09-28
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Granted: —
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Expires: 2014-09-28
Abstract
Abstract An antenna is provided on a circuit board (10) which has an elongated stub (14), having an end connected through a dielectric to a ground plane (12). The ground plane/stub combination forms a resonant cavity (18). The stub (14) has a electrically conductive sail (20) for increasing the omnidirectionality and sensitivity of the antenna.
Inventors
- 👤 John Francis Kennedy
- 👤 Paul Allen Zoito
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-04 20:59
CPC Classifications
H; H01; H01Q; H01Q9/00; H01Q9/04; H01Q9/0407; H01Q21/00; H01Q21/29
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
121 words
An antenna for receiving a predetermined RF signal comprising: a dielectric layer (10) having a first side and a second side; an electrically conductive ground plane (12) disposed on said first side; electrically conductive stub means (14) disposed on said second side having one end (26) electrically connected to said ground plane (12) for forming a resonant cavity (18) that is excited by the RF signal when the RF signal arrives at said stub means, said stub means (14) having a predetermined width; and electrically conductive sail means (20) extending in a generally perpendicular direction from said stub means (14) electrically connected to said stub means, for increasing the propagating directions by which the RF signal will excite said cavity (18).
Claim 2
Dependent Claim
29 words
An antenna as claimed in claim 1, wherein said circuit board includes predetermined components and wherein said sail extends to a height greater than the height of said components.
Claim 3
Dependent Claim
18 words
An antenna as claimed in claim 1, wherein said shape of said strip is a substantially G shape.
Claim 4
Dependent Claim
13 words
An antenna as claimed in claim 1, wherein said sail has segmented sides.
Claim 5
Dependent Claim
14 words
An antenna as claimed in claim 4, wherein said sail has 3 segmented sides.
Claim 6
Dependent Claim
23 words
An antenna as claimed in claim 4, wherein each of said sides are placed at an angle 45 degrees from its adjacent sides.
Claim 7
Dependent Claim
22 words
An antenna as claimed in claim 6, wherein said sail has segmented sides of at least 1.88 cms (.75 inches) in length.
Claim 8
Dependent Claim
16 words
An antenna as claimed in claim 1, wherein said sail means is soldered to said strip.
Claim 9
Dependent Claim
18 words
An antenna as claimed in claim 8, wherein said sail has its edge completely soldered to said strip.
Claim 10
Dependent Claim
21 words
An antenna as claimed in claim 1, wherein said sail extends generally from the centre of the width of said strip.
References Cited (Backward Citations)
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