System for tracking a spatial position of an object via a...

Details System for tracking a spatial position of an object via a... System for tracking a spatial position of an object via a...

2005-11-18

2010-10-26

Siefke, Sam P (Department: 1797)

Chemistry: analytical and immunological testing

Tracers or tags

C422S050000, C422S051000, C422S091000

Reexamination Certificate

active

07820446

ABSTRACT:
A transparent marker casing for use with a tracking system, comprising a material that is transparent to radiation emanating from at least one marker, wherein the marker casing is formed such that it at least partially surrounds the at least one marker. The casing can include a moisture sensor that can detect moisture or liquid on a surface of the casing and provide a signal indicative of the presence of moisture.

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patent: 99/40869 (1999-08-01), None

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