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.

Date of Patent:
Dec. 22, 2015

Filed:

Dec. 20, 2013
Applicant:

Centrak Inc., Newtown, PA (US);

Inventors:

Israel Amir, Newtown, PA (US);

Deepak Gopi, Bensalem, PA (US);

Assignee:

CENTRAK, INC., Newton, PA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/114 (2013.01); H04W 4/02 (2009.01);
U.S. Cl.
CPC ...
H04W 4/021 (2013.01); H04B 10/1149 (2013.01);
Abstract

System and method for wireless infrared-aided location, including: a portable tag to be located, the portable tag comprising an infrared (IR) receiver; and a plurality of base-stations, at least one of said base-stations comprising: a processor coupled to a memory; a first clock coupled to the processor, the first clock configured to be selectively activated and deactivated by the processor; a receiver coupled to the processor, the receiver configured to receive a periodic timing synchronization signal; and an infrared transmitter coupled to the processor, the infrared transmitter configured to transmit an IR signal to the portable tag, wherein the IR signal is substantially identical and in-phase with IR signals from other base-stations, wherein the processor is configured to synchronize said base-station to the periodic timing synchronization signal.


Find Patent Forward Citations

Loading…