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Patente

Referenziert von

Zitiert von PatentEingetragenAusgestelltUrsprünglich Bevollmächtigter Titel
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US491049819. Mai 198820. März 1990Swimming pool safety alarm
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US555276714. Febr. 19943. Sept. 1996Assembly for, and method of, detecting and signalling when an object enters a work zone
US565700326. Febr. 199612. Aug. 1997Structure movement monitoring and emergency alarm system
US57606863. Sept. 19962. Juni 1998Assembly and method for detecting errant vehicles and warning work zone personnel thereof
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US613061531. März 199910. Okt. 2000Swimming pool alarm system
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US625936517. Febr. 200010. Juli 2001Laser security fence apparatus
US68068114. Sept. 200219. Okt. 2004Infra-red perimeter alarm
US72958317. Febr. 200413. Nov. 20073E Technologies International, Inc.Method and system for wireless intrusion detection prevention and security management
US730751522. Juni 200511. Dez. 2007Trailer security system using multiple transmitter/receiver pairs
US730751522. Juni 200511. Dez. 2007Trailer security system using multiple transmitter/receiver pairs
US790297911. Apr. 20088. März 2011Raytheon CompanyDirected energy beam virtual fence
US795338919. Sept. 200731. Mai 20113E Technologies International, Inc.Method and system for wireless intrusion detection, prevention and security management