Low voltage pool security system
作者： Terrance J. McSweeney
DOI:
关键词:
摘要: A simplified, home-improvement-type, low voltage security system to prevent infants from entering the swimming pool area by monitoring exit doors of a home leading and combined passive active motion detectors an alarm. Photoflood lamps can be added system.
lens.org 参考文章(10)
Steven E. Brox, Passive infrared/acoustic pool security system ,(1990)
Frank Schwarz, Solar powered lighting and alarm systems activated by motion detection ,(1990)
Kevin D. Flynn, Aaron A. Galvin, Redundant sensor adapter ,(1980)
Wade Lee, Method and apparatus for detecting entry ,(1992)
Charles C. Hu, Jerome M. Mix, Low voltage motion sensor for activating a high voltage load ,(1988)
Donald E. Taylor, Arne Rodhall, Portable security system for outdoor sites ,(1993)
Raymond C. Brittain, Roy Gomez, Intrusion detection apparatus ,(1989)
Theo O. Putnam, Child safety fence ,(1990)
Charles McGhee, Sheldon Kalmowitz, Eldon Sutphin, Regis Beigel, Apparatus and method for detecting the presence of a heat-emitting body ,(1980)
Jr. Louis H. La Forge, Intrusion alarm apparatus ,(1975)