Intelligent wall switch

Details Intelligent wall switch Intelligent wall switch

1994-09-22

1996-12-17

Voeltz, Emanuel T.

Boots, shoes, and leggings

364480, 340552, 340331, 340528, 307117, 315307, 315159, G05B 1302

Patent

active

055860486

ABSTRACT:
An intelligent wall switch incorporates a passive infrared sensor and a pressure pulse-wave sensor. A microcontroller monitors the sensor signals generated by the infrared sensor and the pressure pulse-wave sensor and calculates a weighted sum of the signals generated by the sensors. If the weighted sum calculated by the microcontroller exceeds a preset threshold the intelligent wall switch generates a signal indicative of human presence.

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