Low profile television antenna
First Claim
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1. A television antenna comprising:
- a pair of generally sinuous antenna arms extending outwardly from a common central axis and arranged opposite each other, each antenna arm in said pair comprising a plurality of sinuous cells, each of said plurality of cells having a rotational end terminating on an orientation line, said orientation lines of said pair of antenna arms spaced a predetermined distance apart in a parallel relationship to each other, each said antenna arm being formed without interleaving the other said antenna arm.
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Abstract
A television antenna formed from a pair of generally sinuous antenna arms extending outwardly from a common central axis and arranged opposite each other. The antenna arms do not interleave or touch each other. A reflector provides a separation distance between the reflector and the pair of antenna arms.
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Citations
29 Claims
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1. A television antenna comprising:
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a pair of generally sinuous antenna arms extending outwardly from a common central axis and arranged opposite each other, each antenna arm in said pair comprising a plurality of sinuous cells, each of said plurality of cells having a rotational end terminating on an orientation line, said orientation lines of said pair of antenna arms spaced a predetermined distance apart in a parallel relationship to each other, each said antenna arm being formed without interleaving the other said antenna arm. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A television antenna comprising:
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a pair of generally sinuous antenna arms extending outwardly from a common central axis and arranged opposite each other, each antenna arm comprising a plurality of sinuous cells, each of said plurality of cells having a tapered rotational end terminating on an orientation line, said orientation lines of said two antenna arms spaced at a predetermined distance in a parallel relationship from each other, each said antenna arm being formed without interleaving the other said antenna arm, wherein the output impedance of the television antenna is at least a function of the predetermined distance, a reflector, at least one support connected to said reflector and to said pair of antenna arms, said at least one support providing a separation distance between said reflector and said pair of antenna arms, the front-to-back ratio of said television antenna at least a function of said separation distance. - View Dependent Claims (13, 14)
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15. A television antenna comprising:
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two antenna arms located opposite each other on an axial axis and separated from each other by a first predetermined distance for receiving broadcast UHF television signals, a pair of phasing stubs, one of said phasing stubs connected to a feed point on one of said antenna arms, a reflector oriented a second predetermined distance on said axial axis from said two antenna arms, said first and second predetermined distances selected to provide a desired output impedance at the phasing stubs of about 300 ohms. - View Dependent Claims (16, 17)
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18. A UHF television antenna comprising:
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a pair of generally sinuous identical antenna arms receiving UHF television signals, said pair of antennas extending outwardly from a common central axis and arranged opposite each other, each antenna arm in said pair of antenna arms comprising a plurality of sinuous cells, each of said plurality of cells having a tapered rotational end terminating on an orientation line, said orientation lines of said pair of antenna arms spaced a first predetermined distance in a parallel relationship to each other, each said antenna arm being formed without interleaving and without touching the other said antenna arm, a pair of phasing stubs, one of said phasing stubs connected to a feed point on one of said antenna elements, a reflector oriented a second predetermined distance on said central axis behind said pair of antenna elements, said first and second predetermined distances selected to provide a desired output impedance at the phasing stubs of about 300 ohms in a bandwidth for UHF signals. - View Dependent Claims (19, 20, 21, 22)
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23. A high definition television antenna comprising:
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a sheet of polycarbonate material, a pair of generally sinuous antenna arms extending outwardly from a common central axis and arranged opposite each other, said pair of generally sinuous antenna arms formed in a plane on said sheet of polycarbonate material, said plane perpendicular to said common central axis, said pair of generally sinuous antenna arms printed on said sheet with silver conductive ink, each antenna arm in said pair comprising a plurality of sinuous cells, each of said plurality of cells having a rotational end terminating on an orientation line, said orientation lines of said pair of antenna arms spaced a predetermined distance apart in a parallel relationship to each other, each said antenna arm being formed without interleaving the other said antenna arm. - View Dependent Claims (24, 25)
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26. A television antenna comprising:
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a sheet of polycarbonate material, a pair of generally sinuous antenna arms extending outwardly from a common central axis and arranged opposite each other, said pair of generally sinuous antenna arms formed in a plane on said sheet of polycarbonate material, said plane perpendicular to said common central axis, said pair of generally sinuous antenna arms printed on said sheet with silver conductive ink, each antenna arm comprising a plurality of sinuous cells, each of said plurality of cells having a tapered rotational end terminating on an orientation line, said orientation lines of said two antenna arms spaced at a predetermined distance in a parallel relationship from each other, each said antenna arm being formed without interleaving the other said antenna arm, wherein the output impedance of the television antenna is at least a function of the predetermined distance, a reflector, said reflector having a plurality of reflector elements of silver conductive ink printed on a surface of polycarbonate material, at least one support of high dialectric material connected to said reflector and to said pair of antenna arms, said at least one support providing a separation distance between said reflector and said pair of antenna arms, the front-to-back ratio of said television antenna at least a function of said separation distance.
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27. A high definition television antenna comprising:
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a pair of generally sinuous identical antenna arms receiving high definition television signals, said pair of generally sinuous antennas extending outwardly from a common central axis and arranged opposite each other, said pair of antenna arms are printed on dialectric material with conductive ink, each antenna arm in said pair of antenna arms comprising a plurality of sinuous cells, each of said plurality of cells having a tapered rotational end terminating on an orientation line, said orientation lines of said pair of antenna arms spaced a first predetermined distance in a parallel relationship to each other, each said antenna arm being formed without interleaving and without touching the other said antenna arm, a pair of phasing stubs, one of said phasing stubs connected to a feed point on one of said antenna elements, a reflector oriented a second predetermined distance on said axial axis behind said pair of antenna elements, said first and second predetermined distances selected to provide a desired output impedance at the phasing stubs of about 300 ohms in a bandwidth for said high definition signals. - View Dependent Claims (28, 29)
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Specification