Illumination device having remotely powered lightguide
First Claim
Patent Images
1. A refrigeration illumination system, comprisinga light source;
- a lightguide optically coupled to the light source; and
a transducer configured to power the light source by converting energy received from a remote transmitter;
wherein at least one of the lightguide and the remote transmitter is located within a shelf.
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Abstract
An illumination device is disclosed, having a lightguide optically coupled to a light source and a transducer for supplying power to the light source by converting energy received from a remote transmitter. Energy received from a remote transmitter can comprise radiofrequency waves, microwaves, infrared radiation, visible light, ultraviolet light, sunlight, sound waves or heat.
29 Citations
8 Claims
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1. A refrigeration illumination system, comprising
a light source; -
a lightguide optically coupled to the light source; and a transducer configured to power the light source by converting energy received from a remote transmitter; wherein at least one of the lightguide and the remote transmitter is located within a shelf. - View Dependent Claims (2, 3, 4)
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5. An illumination device, comprising:
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a light source; a film lightguide optically coupled to the light source; and a transducer configured to power the light source by converting energy received from a remote transmitter. - View Dependent Claims (6)
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7. An illumination device, comprising:
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a light source; a lightguide optically coupled to the light source; a viscoelastic cladding layer disposed on the lightguide; and a transducer configured to power the light source by converting energy received from a remote transmitter. - View Dependent Claims (8)
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Specification