Beverly J Harrison

Author:

Beverly W. Harrison

ISBN #:

0664227740

Author:

Beverly W. Harrison

ISBN #:

0807015083

Author:

Beverly W. Harrison

ISBN #:

0807015091

Author:

Beverly W. Harrison

ISBN #:

0829805826

Author:

Beverly Wildung Harrison

ISBN #:

0807015156

Author:

Beverly Wildung Harrison

ISBN #:

0807015245

US Patent:

6542083, Apr 1, 2003

Filed:

Nov 23, 1999

Appl. No.:

09/448382

Inventors:

Edward A. Richley - Gaithersburg MD
Roy Want - Los Altos CA
Kenneth P. Fishkin - Redwood City CA
Beverly L. Harrison - Palo Alto CA
Anuj Uday Gujar - Mountain View CA

Assignee:

Xerox Corporation - Stamford CT

International Classification:

G08B 522

US Classification:

34082549, 34082557, 34082569, 34082572, 3405721, 340674

Abstract:

A system for identification and tracking of tags distributed in a room, wherein the system includes an electromagnetic pulse generator to produce a local electromagnetic spike, a tag reactive to the local electromagnetic spike to provide a data signal, a data receiver for receiving the data signal, and a tag tracking system receiving input from the electromagnetic pulse generator and the data receiver, the tag tracking system storing state records of position and informational content of the tag.

US Patent:

7229017, Jun 12, 2007

Filed:

Feb 21, 2006

Appl. No.:

11/359643

Inventors:

Edward A. Richley - Gaithersburg MD, US
Roy Want - Los Altos CA, US
Kenneth P. Fishkin - Redwood City CA, US
Beverly L. Harrison - Palo Alto CA, US
Anuj Uday Gujar - Mountain View CA, US

Assignee:

Xerox Corporation - Stamford CT

International Classification:

G06F 19/00
G06Q 30/00
G06Q 90/00

US Classification:

235385, 235383

Abstract:

A system for identification and tracking of a tag distributed in a room is presented. A laser base station is configured to scan laser beams through a portion of a room. A tag is configured to be reactive to incident laser beams scanned from the laser base station to provide a data signal back to the laser base station. A tag tracking system is configured to receive input derived from the data signal from the laser base station. The tag tracking system stores state records of position and informational content of the tag generated from the input. The tag tracking system determines angular position of the tag with respect to the laser base station based on the position and information content of the tag stored in the state records.