The PB-IN-100AT “Anticrawl” photoelectric beam from Takex is part of its Intelligent-Quad series. It is designed with high-security applications in mind, where attempts to crawl through a portion of ...
ALEXANDRIA, Va., Nov. 29 -- Robert B. Houston of Homestead, Fla., has developed a solar powered perimeter beam security system. According to the U.S. Patent & Trademark Office, the invention relates ...
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