US6043746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio frequency identification (RFID) security tag for merchandise and method therefor
Assignee: Microchip Technology Inc
•
Filing: 1999-02-17
•
Granted: 2000-03-28
•
Expires: 2019-02-17
Abstract
Abstract A Radio Frequency Identification (RFID) security tag for attachment to a small article of merchandise to monitor the tagged item. The security tag uses a thin flexible strip. An RFID tag device is coupled to the thin flexible strip and is used for storing data related to the small article of merchandise to be monitored. A plurality of conductors are laid on the thin flexible strip. The plurality of conductors are coupled together to form a multiple turn coil for providing energy to the RFID tag device when a first end of the thin flexible strip is coupled to a second end of the thin flexible strip to form a loop.
Inventors
- 👤 Peter Sorrells
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:54
CPC Classifications
G; G08; G08B; G08B13/00; G08B13/02; G08B13/14; G06; G06K; G06K19/00; G06K19/06; G06K19/067; G06K19/07; G06K19/077; G06K19/07749
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
98 words
A security tag for attachment to a small article of merchandise comprising, in combination: a thin flexible strip; a Radio Frequency Identification (RFID) tag device coupled to said thin flexible strip for storing data related to said small article of merchandise; and a plurality of conductors laid on said thin flexible strip wherein said plurality of conductors are coupled together to form a multiple turn coil for providing energy to said RFID tag device when a first end of said thin flexible strip is coupled to a second end of said thin flexible strip to form a loop.
Claim 2
Dependent Claim
98 words
A security tag for attachment to a small article of merchandise comprising, in combination: a thin flexible strip; a Radio Frequency Identification (RFID) tag device coupled to said thin flexible strip for storing data related to said small article of merchandise; and a plurality of conductors laid on said thin flexible strip wherein said plurality of conductors are coupled together to form a multiple turn coil for providing energy to said RFID tag device when a first end of said thin flexible strip is coupled to a second end of said thin flexible strip to form a loop.
Claim 3
Dependent Claim
34 words
A security tag for attachment to a small article of merchandise in accordance with claim 1 wherein each of said plurality of conductors are laid parallel to one another on said thin flexible strip.
Claim 4
Dependent Claim
39 words
A security tag for attachment to a small article of merchandise in accordance with claim 2 wherein a first of said plurality of conductors and a last of said plurality of conductors are coupled to said RFID tag device.
Claim 5
Dependent Claim
32 words
A security tag for attachment to a small article of merchandise in accordance with claim 2 wherein at least three of said plurality of conductors are coupled to said RFID tag device.
Claim 6
Dependent Claim
47 words
A security tag for attachment to a small article of merchandise in accordance with claim 3 wherein each of said plurality of conductors is coupled to a directly succeeding conductor and said last conductor is directly coupled to said first conductor to form a single continuous conductor.
Claim 7
Dependent Claim
50 words
A security tag for attachment to a small article of merchandise in accordance with claim 5 wherein said single continuous conductor forms a multiple turn coil when said first end of said thin flexible strip is coupled to said second end of said thin flexible strip to form a loop.
Claim 8
Dependent Claim
36 words
A security tag for attachment to a small article of merchandise in accordance with claim 6 wherein said single continuous conductor forms a make/break connection with said RFID tag device to energize said RFID tag device.
Claim 9
Dependent Claim
51 words
A security tag for attachment to a small article of merchandise in accordance with claim 5 wherein each of said plurality of conductors has at least one connector for coupling each of said plurality of conductors to a directly succeeding conductor and for coupling said last conductor to said first conductor.
Claim 10
Dependent Claim
48 words
A security tag for attachment to a small article of merchandise in accordance with claim 8 wherein one of said connectors is a conductive adhesive for coupling said first end of said thin flexible strip to said second end of said thin flexible strip to form said loop.
Claim 11
Independent Claim
106 words
A method of providing a security tag for attachment to a small article of merchandise comprising the steps of: providing a thin flexible strip; providing a Radio Frequency Identification (RFID) tag device coupled to said thin flexible strip for storing data related to said small article of merchandise; and providing a plurality of conductors laid on said thin flexible strip wherein said plurality of conductors are coupled together to form a multiple turn coil for providing energy to said RFID tag device when a first end of said thin flexible strip is coupled to a second end of said thin flexible strip to form a loop.
Claim 12
Independent Claim
106 words
A method of providing a security tag for attachment to a small article of merchandise comprising the steps of: providing a thin flexible strip; providing a Radio Frequency Identification (RFID) tag device coupled to said thin flexible strip for storing data related to said small article of merchandise; and providing a plurality of conductors laid on said thin flexible strip wherein said plurality of conductors are coupled together to form a multiple turn coil for providing energy to said RFID tag device when a first end of said thin flexible strip is coupled to a second end of said thin flexible strip to form a loop.
Claim 13
Dependent Claim
35 words
The method of claim 10 wherein said step of providing a plurality of conductors further comprises the step of laying each of said plurality of conductors parallel to one another on said thin flexible strip.
Claim 14
Dependent Claim
31 words
The method of claim 11 further comprising the step of coupling a first of said plurality of conductors and a last of said plurality of conductors to said RFID tag device.
Claim 15
Dependent Claim
24 words
The method of claim 11 further comprising the step of coupling at least three of said plurality of conductors to said RFID tag device.
Claim 16
Dependent Claim
38 words
The method of claim 12 further comprising the steps of: coupling each of said plurality of conductors to a directly succeeding conductor; and coupling said last conductor directly to said first conductor to form a single continuous conductor.
Claim 17
Dependent Claim
39 words
The method of claim 14 wherein said single continuous conductor forms a multiple turn coil when said first end of said thin flexible strip is coupled to said second end of said thin flexible strip to form a loop.
Claim 18
Dependent Claim
25 words
The method of claim 15 wherein said single continuous conductor forms a make/break connection with said RFID tag device to energize said RFID tag device.
Claim 19
Dependent Claim
45 words
The method of claim 14 further comprising the step of providing at least one connector for each of said plurality of conductors for coupling each of said plurality of conductors to a directly succeeding conductor and for coupling said last conductor to said first conductor.
Claim 20
Dependent Claim
67 words
The method of claim 17 wherein said step of providing at least one connector for each of said plurality of conductors further comprises the step of providing a conductive adhesive as at least one of said connectors for each of said plurality of conductors for coupling said first end of said thin flexible strip to said second end of said thin flexible strip to form said loop.
References Cited (Backward Citations)
US5075670A
Cited
US5504474A
Cited
US5512879A
Cited
US5627520A
Cited
US5793290A
Cited
US5745037A
Cited
US5973600A
Cited
US5883576A
Cited
US5977877A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2003-03-28 | 2003-09-27 | 2004-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-03-28 | 2007-09-27 | 2008-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-03-28 | 2011-09-27 | 2012-03-28 | $7700.00 | Window Closed / Lapsed |