Coded light device, and a product information system comprising such a coded light device
First Claim
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1. A coded lighting arrangement comprising:
- a coded light device includinga light source mounted to illuminate a product with coded light emitted by the light source,an identifier detection unit configured to detect a product identifier of the product with a radiation pattern of a directional antenna,a processing unit, having a code generator configured to generate a product-related code on basis of the product identifier, anda light source controller configured to control the light source to emit the product-related code by coding light of a light beam output by the light source, wherein the product-related code denotes information identifying the product, wherein the coded light of the light beam including the product-related code illuminates the product, wherein said radiation pattern of the directional antenna is aligned to a location, angle and reach of the light beam output by the light source.
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Abstract
A coded light device comprising a light source configured to emit coded light, an identifier detection unit configured to detect a product identifier, and a processing unit having a code generator configured to generate a product-related code on basis of the product identifier, and a light source controller configured to control the light source to emit the product-related code by coding its light output.
21 Citations
19 Claims
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1. A coded lighting arrangement comprising:
a coded light device including a light source mounted to illuminate a product with coded light emitted by the light source, an identifier detection unit configured to detect a product identifier of the product with a radiation pattern of a directional antenna, a processing unit, having a code generator configured to generate a product-related code on basis of the product identifier, and a light source controller configured to control the light source to emit the product-related code by coding light of a light beam output by the light source, wherein the product-related code denotes information identifying the product, wherein the coded light of the light beam including the product-related code illuminates the product, wherein said radiation pattern of the directional antenna is aligned to a location, angle and reach of the light beam output by the light source. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method of transmitting information via coded light, comprising:
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detecting a product identifier of a product with a radiation pattern of a directional antenna; generating a product-related code on basis of the product identifier; and controlling a light source to emit the product-related code by coding light of a light beam output by the light source, wherein the light source is mounted to illuminate the product with the coded light of the light beam, wherein the coded light of the light beam includes the product related code, wherein the product-related code denotes information identifying the product and wherein said radiation pattern of the directional antenna is aligned to a location, angle and reach of the light beam output by the light source. - View Dependent Claims (16, 17, 18, 19)
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Specification