The complete, authoritative residential lighting resource, from the largest research center in the world, supplies all the practical designs, details, and plans architects need to select, design, and install efficient lighting that suits both aesthetic and economic needs. Filled with hundreds of photos and sketches, this book explains and illustrates all common lighting techniques.Some motion detectors offer manual on and /or manual off override capabilities. See also passive infrared and ultrasonic. motion detector factor A factor that is used in the economic analyses of this ... with a parabolic shape that usually is used to concentrate the light in the direction parallel to the axis of the reflector. ... When a passive infrared sensor detects motion from one zone to another, it activates whatever device it controls (usually an alarm system or one or more luminaires).
|Title||:||The Lighting Pattern Book for Homes|
|Author||:||Russell P. Leslie, Kathryn M. Conway|
|Publisher||:||McGraw-Hill Professional Publishing - 1996|