Planar antenna with tightly wound folded sections
First Claim
1. A broad-band receiving antenna system comprising antenna means and transmission means for coupling said antenna means to a load, said antenna means comprising a multi-resonant, substantially non-radiating, electrically symmetrical receptor responsive to signals in the VHF and UHF broadcast bands, said receptor comprising:
- (a) A pair of radially disposed elements comprising a plurality of series connected tightly folded conductive members disposed in a circular array about a common center, each of said folded conductive members comprising a pair of parallel conductors having first ends spaced from one another by not more than 0.02 inches, means electrically connecting the ends of said parallel conductors opposite said first ends and,(b) conductive means for electrically connecting each folded conductive member to an adjacent folded conductive member.(c) said pair of radially disposed elements disposed on a nonconductive base and,(d) coupling means for electrically connecting said radially disposed elements to said transmission means.
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Abstract
A broad-band antenna system capable of receiving VHF, FM, and UHF bands, having highly desirable directional properties, providing sharp nulls for the rejection of unwanted reflections, and with broad directional properties, usually obtainable only with large tunable dipoles or loops, many times the dimensions of this very compact antenna unit. This is strictly a receiving antenna, since it has no radiation capabilities, and consequently minimal loss of received signal due to reradiation.
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Citations
2 Claims
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1. A broad-band receiving antenna system comprising antenna means and transmission means for coupling said antenna means to a load, said antenna means comprising a multi-resonant, substantially non-radiating, electrically symmetrical receptor responsive to signals in the VHF and UHF broadcast bands, said receptor comprising:
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(a) A pair of radially disposed elements comprising a plurality of series connected tightly folded conductive members disposed in a circular array about a common center, each of said folded conductive members comprising a pair of parallel conductors having first ends spaced from one another by not more than 0.02 inches, means electrically connecting the ends of said parallel conductors opposite said first ends and, (b) conductive means for electrically connecting each folded conductive member to an adjacent folded conductive member. (c) said pair of radially disposed elements disposed on a nonconductive base and, (d) coupling means for electrically connecting said radially disposed elements to said transmission means. - View Dependent Claims (2)
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Specification