Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2006-09-29
2009-12-29
Mullen, Thomas J (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S572800, C342S450000, C463S001000
Reexamination Certificate
active
07639143
ABSTRACT:
A system and method for determining the orientation of an object using one or more RFID tags on the object; and an RFID reader to determine the orientation of the object; wherein the RFID reader is configured to emit a signal to activate at least one of the RFID tags, receive return signals from the RFID tags that are activated, and determine the orientation of the object based on relative signal strengths of the received signals, and the system may be a visospatial testing system.
REFERENCES:
patent: 5920261 (1999-07-01), Hughes et al.
patent: 6331145 (2001-12-01), Sity et al.
patent: 6348856 (2002-02-01), Jones et al.
patent: 6380732 (2002-04-01), Gilboa
patent: 7218230 (2007-05-01), Wu et al.
patent: 2004230539 (2004-08-01), None
Dishongh Terry
Hughes Robert D.
Intel Corporation
Mullen Thomas J
Pillsbury Winthrop Shaw & Pittman LLP
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