Wireless identification tag
First Claim
1. A wireless identification tag mixed in a cement product in a manufacturing procedure thereof in which cement, an aggregate, and water, are mixed, said wireless identification tag comprising:
- a main body having an antenna portion which can write/read information by radio communication; and
a protection body covering the main body,wherein a plurality of concave portions are provided on a surface of the protection body,wherein the protection body is formed of an alkali-resistant polyamide resin reinforced by inorganic fillers, such that the alkali-resistant polyamide resin is not reinforced by glass fibers,wherein a size of the wireless identification tag is approximately the same as a size of the aggregate,wherein a depth of each of the concave portions is in a range of from approximately 0.2 mm to approximately 0.5 mm, andwherein a specific gravity of the wireless identification tag is in a range of from 1.3 to 1.9.
1 Assignment
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Accused Products
Abstract
The present invention is aimed at providing a wireless identification tag which can save information with high reliability that is free from the possibility of being lost or falsified, is not broken or melt in the concrete, can expand directionality of an antenna, be distributed in a cement product to be in an appropriate condition for radio communication, and has good adhesion and affinity with cement or the like. A wireless identification tag 1 mixed in a cement product in the manufacturing procedure thereof in which cement, an aggregate, water, or the like are mixed including a protection body 2 incorporating the wireless identification tag 1 having an antenna portion which can write/read information by radio communication, wherein a concave portion 3 is provided on the surface of the protection body.
90 Citations
18 Claims
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1. A wireless identification tag mixed in a cement product in a manufacturing procedure thereof in which cement, an aggregate, and water, are mixed, said wireless identification tag comprising:
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a main body having an antenna portion which can write/read information by radio communication; and a protection body covering the main body, wherein a plurality of concave portions are provided on a surface of the protection body, wherein the protection body is formed of an alkali-resistant polyamide resin reinforced by inorganic fillers, such that the alkali-resistant polyamide resin is not reinforced by glass fibers, wherein a size of the wireless identification tag is approximately the same as a size of the aggregate, wherein a depth of each of the concave portions is in a range of from approximately 0.2 mm to approximately 0.5 mm, and wherein a specific gravity of the wireless identification tag is in a range of from 1.3 to 1.9. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A wireless identification tag adapted to be mixed in a cement product in a manufacturing process, in which cement, an aggregate, and water, are mixed, said wireless identification tag comprising:
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a wireless identification tag main body; and a protection body covering the wireless identification tag main body; wherein the wireless identification tag main body includes an antenna portion capable of writing and reading information via radio communication and being enclosed inside the protection body, writing and reading information via radio communication and being enclosed inside the protection body, wherein a plurality of concave portions are formed on a surface of the protection body, wherein the protection body consists of an alkali-resistant polypropylene resin reinforced with an inorganic filler material, such that the alkali-resistant polypropylene resin is not reinforced by glass fibers, wherein the wireless identification tag is formed in an approximately same size as that of the aggregate, wherein a depth of each of the concave portions is in a range of from approximately 0.2 mm to approximately 0.5 mm, and wherein a specific gravity of the wireless identification tag is in a range of from 1.3 to 1.9. - View Dependent Claims (13, 14, 15, 16, 17)
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18. A wireless identification tag mixed in a cement product in a manufacturing procedure thereof in which cement, an aggregate, and water, are mixed, said wireless identification tag comprising:
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a main body having an antenna portion which can write/read information by radio communication; and a protection body covering the main body, wherein a plurality of concave portions are provided on a surface of the protection body, wherein the protection body is formed of an alkali-resistant polyamide resin reinforced by inorganic fillers, such that the alkali-resistant polyamide resin is not reinforced by glass fibers, wherein a size of the wireless identification tag is approximately the same as a size of the aggregate, wherein each of the concave portion is a concave lens shape and has a depth in a range of from approximately 0.2 mm to approximately 0.5 mm, and wherein a specific gravity of the wireless identification tag is in a range of from 1.3 to 1.9.
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Specification