Invention Grant
US07932829B2 Method and apparatus for self-expiration of a passive data tag device
有权
被动数据标签设备自身过期的方法和装置
- Patent Title: Method and apparatus for self-expiration of a passive data tag device
- Patent Title (中): 被动数据标签设备自身过期的方法和装置
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Application No.: US12133664Application Date: 2008-06-05
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Publication No.: US07932829B2Publication Date: 2011-04-26
- Inventor: Kenneth L. Greenlee , Christian L. Hunt , Steven M. Miller , Anne I. Ryan
- Applicant: Kenneth L. Greenlee , Christian L. Hunt , Steven M. Miller , Anne I. Ryan
- Applicant Address: US NY Armonk
- Assignee: International Business Machines Corporation
- Current Assignee: International Business Machines Corporation
- Current Assignee Address: US NY Armonk
- Agency: Patents on Demand, P.A.
- Agent Brian K. Buchheit; Scott M. Garrett
- Main IPC: G08B134/14
- IPC: G08B134/14 ; G04F8/00 ; G04F10/00
Abstract:
The present invention discloses a data tag device (100) which initially operates in a passive mode where the tag responds to queries (412). While operating passively, an expiration event occurs (512, 514) which causes the tag to disable a battery (110), preventing subsequent operation in the passive mode, resulting in the tag disabling access to the tag data.
Public/Granted literature
- US20090303049A1 METHOD AND APPARATUS FOR SELF-EXPIRATION OF A PASSIVE DATA TAG DEVICE Public/Granted day:2009-12-10
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