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. 20, 2010
Filed:
Jun. 22, 2006
Masatoshi Tsuji, Otsu, JP;
Masatoshi Tsuji, Otsu, JP;
Optex Co., Ltd., Shiga, JP;
Abstract
According to an embodiment, an intrusion detection sensor includes a microwave sensor () that transmits microwaves toward a detection area, receives the microwaves reflected by an object present in the detection area, and outputs a reflected wave reception intensity signal according to the received intensity; a direction variable antenna device (); a scanning measurement means () that provides an instruction to scan the transmission/reception direction to the direction variable antenna device () to determine a relationship with the output of the reflected wave reception intensity signal; a detection target object presence determination means () that determines whether or not a detection target object is present based on the determined relationship; and an alarm signal output control means () that outputs an alarm signal when it is determined that a detection target object is present.