LUMINAIRE
First Claim
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1. A luminaire comprising:
- a power circuit that supplies power to a light source;
an antenna that at least one of transmits and receives a wireless signal; and
a metal housing that contains the antenna and the power circuit,wherein the metal housing has an opening, andthe antenna and the opening are arranged to cause a polarization plane of an electric wave most strongly radiated from the antenna and a polarization plane of an electric wave most strongly radiated from the opening to substantially coincide with each other.
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Abstract
A luminaire includes: a power circuit that supplies power to a light source; an antenna that at least one of transmits and receives a wireless signal; and a metal housing that contains the antenna and the power circuit, wherein the metal housing has an opening, and the antenna and the opening are arranged to cause a polarization plane of an electric wave most strongly radiated from the antenna and a polarization plane of an electric wave most strongly radiated from the opening to substantially coincide with each other.
5 Citations
18 Claims
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1. A luminaire comprising:
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a power circuit that supplies power to a light source; an antenna that at least one of transmits and receives a wireless signal; and a metal housing that contains the antenna and the power circuit, wherein the metal housing has an opening, and the antenna and the opening are arranged to cause a polarization plane of an electric wave most strongly radiated from the antenna and a polarization plane of an electric wave most strongly radiated from the opening to substantially coincide with each other. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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Specification