H - Electricity
01
Q
H01Q 13/00 (2006.01) H01Q 13/10 (2006.01) H01Q 21/24 (2006.01)
Patent
CA 2621886
A patch antenna for achieving a vertically-polarized radiation pattern is described. The patch antenna includes a closed-curve slot within which a signal feed point is located. Parasitic slots are disposed outside or inside the closed-curve slot. In one embodiment, the closed-curve slot is a ring slot and the parasitic slots are arc slots having a common center point with the ring slot. The antenna may further include a lower patch capable of producing a different radiation pattern with different polarization and at a different frequency band, to result in a dual-band antenna. The dual-band antenna may operate in the 5.9 GHz DSRC and 1.575 GHz GPS bands.
Malarky Alastair
Rafi Gholamreza Zeinolabedin
Safavi-Naeni Safieddin
Kapsch Trafficcom Ivhs Inc.
Mark IV Ivhs Inc.
Rafi Gholamreza Zeinolabedin
Rowand Intellectual Property Law
Safavi-Naeni Safieddin
LandOfFree
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