Automatic occupancy and temperature control for ceiling fan oper

Details Automatic occupancy and temperature control for ceiling fan oper Automatic occupancy and temperature control for ceiling fan oper

1998-04-27

1999-12-07

Bennett, Henry

Automatic temperature and humidity regulation

Distance-adjusted

454229, 454256, G05D 2300

Patent

active

059968982

ABSTRACT:
Ceiling fan operation control for turning the fan on and off based on a passive infrared sensor, combined with a temperature sensor to regulate the speed of the fan. The passive infrared sensor, the temperature sensor and controls for both are in a housing directly mounted to the fan motor of the ceiling fan. The controls can be set screws covered by a removable cap. The passive infrared sensor can include a fresnal lens for sensing a 360 degree circumference beneath the fan, and a photo-optical sensor such as a photocell, which suspends ceiling fan control changes for allowing the fan to continue operation when the room is dark and occupants may be sleeping.

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