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:
Jun. 05, 2001
Filed:
Nov. 23, 1999
Applicant:
Inventors:
Roy Want, Los Altos, CA (US);
David Goldberg, Palo Alto, CA (US);
Anthony G. LaMarca, Redwood City, CA (US);
Todd A. Cass, San Francisco, CA (US);
Mark D. Weiser, Palo Alto, CA (US);
Assignee:
Xerox Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 3/300 ;
U.S. Cl.
CPC ...
F21V 3/300 ;
Abstract
An infrared beacon assembly includes a light source removeably attachable to lighting fixtures that supply electrical power. A voltage converter is connected to the light source to provide a reduced supplied voltage. The infrared beacon broadcasts a data signal.