High-tensile belt-type tag and wireless radio frequency identification system employing the same

• US 8,593,258 B2
• Filed: 04/12/2010
• Issued: 11/26/2013
• Est. Priority Date: 04/29/2009
• Status: Active Grant

• Current Assignee: National Taiwan University of Science and Technology
• Original Assignee: National Taiwan University of Science and Technology
• Inventors: Cheng, Min-Yuan
• Primary Examiner(s): SYED, NABIL H
• Application Number:
  US12/758,779
• Publication Number:
  US 20100277288A1
• Time in Patent Office: 1,324 Days
• Field of Search: 340/10.1, 340/10.3, 340/10.31, 340/10.32, 340/10.4, 340/10.41, 340/10.5, 340/572.1, 340/572.7, 340/572.3
• US Class Current: 340/10.42
• CPC Class Codes: G06K 19/0739 the incapacitated circuit being part of an antenna
• CPC Class Codes: G06K 19/07749 the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
• CPC Class Codes: G06K 19/07798 part of the antenna or the integrated circuit being adapted for rupturing or breaking, e.g. record carriers functioning as sealing devices for detecting not-authenticated opening of containers electronic seals G09F3/03

Abstract

A high-tensile belt-type tag including a belt, a high-tensile transmission line, an antenna and a radio frequency identification (RFID) chip is provided, wherein the belt includes a belt body and a retaining ring. The belt body is suitable to slip into an opening of the retaining ring and preventing the belt body from slipping out of the opening. The high-tensile transmission line, the antenna and the RFID chip are disposed in the belt, and the high-tensile transmission line encircles the whole belt in accordance with a shape of the belt. Moreover, the RFID chip is coupled to the antenna through the high-tensile transmission line, wherein when the high-tensile transmission line is split as the belt is cut off, the RFID chip cannot delivers an identification code through the antenna due to split of the high-tensile transmission line.

Claims

1. A high-tensile belt-type tag, comprising:

a belt, comprising a belt body and a retaining ring, wherein the belt body is suitable to slip into an opening of the retaining ring for preventing the belt body from slipping out of the opening;

a high-tensile transmission line, disposed in the belt, and encircling the belt in accordance with a shape of the belt;

an antenna, disposed in the belt, and electrically coupled to the high-tensile transmission line;

a radio frequency identification (RFID) chip, disposed in the belt, and electrically coupled to the antenna through the high-tensile transmission line, wherein when the high-tensile transmission line is split as the belt is cut off, the RFID chip is unable to deliver an identification code through the antenna due to split of the high-tensile transmission line; and

a loop short-circuit device, fixed in the opening of the retaining ring, and electrically connected to two non-conducted line segments in the high-tensile transmission line for preventing normal operations of the RFID chip and the antenna, wherein when the belt body is slipped into the opening of the retaining ring, the loop short-circuit device is squeezed by the belt body and is split, so that the RFID chip and the antenna are able to normally operate.

2. The high-tensile belt-type tag as claimed in claim 1, further comprising:

an impedance matching circuit, disposed in the belt and electrically coupled between the antenna and the RFID chip through the high-tensile transmission line, for matching an impedance of the antenna to an impedance of the RFID chip.

3. The high-tensile belt-type tag as claimed in claim 2, wherein the antenna, the RFID chip and the impedance matching circuit are disposed in the belt body, and the high-tensile transmission line is distributed in the belt body and the retaining ring for electrically connecting the antenna, the impedance matching circuit and the RFID chip, sequentially.

4. The high-tensile belt-type tag as claimed in claim 2, wherein the antenna is disposed in the retaining ring, the RFID chip and the impedance matching circuit are disposed in the belt body, and the high-tensile transmission line is distributed in the belt body and the retaining ring for electrically connecting the antenna, the impedance matching circuit and the RFID chip, sequentially.

5. The high-tensile belt-type tag as claimed in claim 2, wherein the antenna is disposed in the belt body, the RFID chip and the impedance matching circuit are disposed in the retaining ring, and the high-tensile transmission line is distributed in the belt body and the retaining ring for electrically connecting the antenna, the impedance matching circuit and the RFID chip, sequentially.

6. The high-tensile belt-type tag as claimed in claim 2, wherein the antenna, the RFID chip and the impedance matching circuit are disposed in the retaining ring, and the high-tensile transmission line is distributed in the belt body and the retaining ring for electrically connecting the antenna, the impedance matching circuit and the RFID chip, sequentially.

7. The high-tensile belt-type tag as claimed in claim 1, wherein a material of the belt body comprises plastic, rubber, silicone, synthetic materials or polymeric materials.

8. The high-tensile belt-type tag as claimed in claim 1, wherein the high-tensile transmission line is a steel cable.

9. The high-tensile belt-type tag as claimed in claim 1, wherein the RFID chip is a passive RFID chip or an active RFID chip.

10. A wireless radio frequency identification (RFID) system, comprising:

a plurality of high-tensile belt-type tags, wherein each of the high-tensile belt-type tags comprises;

a belt, comprising a belt body and a retaining ring, wherein the belt body is suitable to slip into an opening of the retaining ring for preventing the belt body from slipping out of the opening;

a high-tensile transmission line, disposed in the belt, and encircling the belt in accordance with a shape of the belt;

an antenna, disposed in the belt, and electrically coupled to the high-tensile transmission line; and

an RFID chip, disposed in the belt, and electrically coupled to the antenna through the high-tensile transmission line, wherein when the high-tensile transmission line is split as the belt is cut off, the RFID chip is unable to deliver an identification code through the antenna due to split of the high-tensile transmission line;

a reader, configured to read the identification codes sent by the high-tensile belt-type tags, and identify objects that are bundled by the high-tensile belt-type tags according to a read result; and

a loop short-circuit device, fixed in the opening of the retaining ring, and electrically connected to two non-conducted line segments in the high-tensile transmission line for preventing normal operations of the RFID chip and the antenna, wherein when the belt body is slipped into the opening of the retaining ring, the loop short-circuit device is squeezed by the belt body and is split, so that the RFID chip and the antenna are able to normally operate.

11. The wireless RFID system as claimed in claim 10, wherein when the reader is unable to receive the identification codes sent by the high-tensile belt-type tags, the reader determines that the objects that are bundled by the high-tensile belt-type tags have been stolen or replaced.

12. The wireless RFID system as claimed in claim 10, wherein each of the high-tensile belt-type tags comprises:

an impedance matching circuit, disposed in the belt and electrically coupled between the antenna and the RFID chip through the high-tensile transmission line, for matching an impedance of the antenna to an impedance of the RFID chip.

13. The wireless RFID system as claimed in claim 12, wherein the high-tensile transmission line is distributed in the belt body and the retaining ring for electrically connecting the antenna, the impedance matching circuit and the RFID chip, sequentially.

14. The wireless RFID system as claimed in claim 10, wherein a material of the belt body comprises plastic, rubber, silicone, synthetic materials or polymeric materials.

15. The wireless RFID system as claimed in claim 10, wherein the high-tensile transmission line is a steel cable.

16. The wireless RFID system as claimed in claim 10, wherein the RFID chip is a passive RFID chip or an active RFID chip.