Eric M. Desrochers - Nashua NH Steven J. Gaul - Haverhill MA Herbert A. Winters - Center Barnstead NH
Assignee:
Phoenix Controls Corporation - Newton MA
International Classification:
G08B 2100
US Classification:
340540
Abstract:
A fume hood sash sensor uses multiplexed sensors to measure sash position. The sensor transmitter or receiver elements may be multiplexed. Furthermore, the sensor may employ passive, passive remote powered transponder, or powered transponder elements on the sashes to measure sash position.