Wireless identification tag

• US 20090289765A1
• Filed: 11/24/2008
• Published: 11/26/2009
• Est. Priority Date: 05/21/2008
• Status: Active Grant

• Current Assignee: Sumitomo Corporation
• Original Assignee: Sumitomo Corporation
• Inventors: Ashizawa, Shigeo, Kaga, Kikuo, Kano, Yasuo
• Granted Patent: US 8,149,121 B2
• Time in Patent Office: Days
• US Class Current: 340/10.100
• CPC Class Codes: B28B 23/00 Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objectsB28B21/00 takes precedence; in units for prefabricated buildings B28B7/22
• CPC Class Codes: B28B 23/0031 with product identification means, e.g. labels on test products or integrated circuit tags inside products RFID
• CPC Class Codes: G06K 19/02 characterised by the selection of materials, e.g. to avoid wear during transport through the machine
• CPC Class Codes: G06K 19/04 characterised by the shape
• CPC Class Codes: G06K 19/041 Constructional details G06K19/06 takes precedence
• CPC Class Codes: G06K 19/07728 the record carrier comprising means for protection against impact or bending, e.g. protective shells or stress-absorbing layers around the integrated circuit
• CPC Class Codes: G06K 19/07758 arrangements for adhering the record carrier to further objects or living beings, functioning as an identification tag

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.

Claims

1. A wireless identification tag mixed in a cement product in the manufacturing procedure thereof in which cement, an aggregate, water, or the like are mixed comprising a protection body incorporating a wireless identification tag having an antenna portion which can write/read information by radio communication, wherein a concave portion is provided on the surface of the protection body.

2. The wireless identification tag according to claim 1, wherein the concave portion provided on the protection body surface is formed by dimple processing a plurality of dimples provided on the protection body surface.

3. The wireless identification tag according to either claim 1, wherein specific gravity of the wireless identification tag is between 1.3 and 1.9.

4. The wireless identification tag according to claim 1,

wherein cubic volume of the wireless identification tag is between 100 and 300 mm³.

5. The wireless identification tag according to claim 1,

wherein the protection body includes thermoplastic resin material having anti-alkaline property.

6. The wireless identification tag according to claim 1,

wherein the protection body includes thermoplastic resin material having polyamide resin material strengthened by glass fiber and inorganic filler.

7. The wireless identification tag according to claim 1,

wherein the protection body has sphere, oval or polyhedron cubic shape.

8. The wireless identification tag according to claim 1,

wherein a wireless identification tag main body includes a semi-conductor memory device, which has semi-conducting material having nonvolatile function, and a power source unit for generating electric current without incorporation of a battery by resonating with the received radio wave.

9. The wireless identification tag according to claim 1,

wherein the wireless identification tag main body has a chip shape including a semi-conductor substrate mounting a semi-conductor which is covered with an insulating material.

10. The wireless identification tag according to claim 1,

wherein an antenna portion is formed to have curved surface shape.

11. The wireless identification tag according to claim 1,

wherein the antenna portion is formed to have curved surface shape along cubic shape of the protection body.

12. The wireless identification tag according to either claim 2,

wherein specific gravity of the wireless identification tag is between 1.3 and 1.9.

13. The wireless identification tag according to claim 2,

wherein cubic volume of the wireless identification tag is between 100 and 300 mm³.

14. The wireless identification tag according to claim 3,

wherein cubic volume of the wireless identification tag is between 100 and 300 mm³.

15. The wireless identification tag according to claim 2,

wherein the protection body includes thermoplastic resin material having anti-alkaline property.

16. The wireless identification tag according to claim 3,

wherein the protection body includes thermoplastic resin material having anti-alkaline property.

17. The wireless identification tag according to claim 4,

wherein the protection body includes thermoplastic resin material having anti-alkaline property.

18. The wireless identification tag according to claim 2,

wherein the protection body includes thermoplastic resin material having polyamide resin material strengthened by glass fiber and inorganic filler.

19. The wireless identification tag according to claim 3,

wherein the protection body includes thermoplastic resin material having polyamide resin material strengthened by glass fiber and inorganic filler.

20. The wireless identification tag according to claim 4,

wherein the protection body includes thermoplastic resin material having polyamide resin material strengthened by glass fiber and inorganic filler.