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. 22, 2004
Filed:
Oct. 01, 2002
Applicant:
Inventors:
Assignee:
Matsushita Electric Industrial Co. Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08B 2/100 ; G08B 2/122 ;
U.S. Cl.
CPC ...
G08B 2/100 ; G08B 2/122 ;
Abstract
In a room exit determination, a determination of presence of a body in a room is made if a movement pattern vector consisting of a room ID of movement origin, a room ID of movement destination and a movement period of time is not received from the a non-specified room response sensor within a predetermined period of time. A determination of exit from the room of a body is made only when the movement period of time in the movement pattern vector agrees with a movement period of time of past exits from the room stored in the a movement time storage if this vector is received from the non-specified room response sensor.