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:
Jul. 21, 2009
Filed:
Jul. 21, 2003
Applicant:
Chang-ming Yang, Junan Jen, Miaoli, TW;
Inventor:
Chang-Ming Yang, Junan Jen, Miaoli, TW;
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
G08B 23/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to an alert system with a sensor to detect article made of metal or magnetic. When detecting any dangerous article made of metal or magnetic nearby, the sensor sends out a signal to the control panel, prompting the warning system to send out a signal or sounds to warn the user, so as to protect the user from being hurt by dangerous article made of metal or magnetic.