The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 23, 2011
Filed:
Feb. 13, 2007
Andrew Kostrzewski, Garden Grove, CA (US);
Tomasz Jannson, Torrance, CA (US);
Shean T. Mcmahon, Seal Beach, CA (US);
Sookwang RO, Glendale, CA (US);
Raghbir Tahim, Yorba Linda, CA (US);
Andrew Kostrzewski, Garden Grove, CA (US);
Tomasz Jannson, Torrance, CA (US);
Shean T. McMahon, Seal Beach, CA (US);
Sookwang Ro, Glendale, CA (US);
Raghbir Tahim, Yorba Linda, CA (US);
Physical Optics Corporation, Torrance, CA (US);
Abstract
An information carrier in a preferred embodiment is worn like a dog-tag and carries data such as medical information. The tag operates wirelessly, communicating with a nearby reader which interrogates the tag with a selected combination of RF signal frequencies. Extremely long term battery usage is achieved by connecting the battery in the tag only when the proper combination of RF signals, each at least at a minimum threshold power level, is received at the tag to produce a trigger voltage in activation logic to close a solid state switch. After a sequence of communications between the reader and the tag is then completed to transfer selected data from the memory, the battery is again disconnected to preserve battery energy for very long periods of time. The battery may be slowly recharged by ambient energy using a scavenging antenna array.