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:
Mar. 11, 2003
Filed:
Apr. 11, 2000
Applicant:
Inventor:
Leif Nyfelt, Skövde, SE;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 2/300 ;
U.S. Cl.
CPC ...
G08B 2/300 ;
Abstract
A method for monitoring the movement of an individual in and around buildings, rooms and like areas. A transponder is arranged for coaction with an active antenna which is connected to a surveillance center either directly or indirectly, and the individual carries on his/her person either a transponder or an antenna, or one or more antennas or a plurality of transponders are placed in or around the building under surveillance.