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US 7,123,139 B2Granted
Wireless integrated occupancy sensor
AssigneeTac, LLC
InventorKevin Sweeney
Life of this patent
Estimating the term…
Abstract
An occupancy sensor is provided for determining whether a room is occupied. The occupancy sensor integrates a battery-powered PIR motion detector and a battery-powered Hall Effect switch, each of which communicates wirelessly with a controller, in a single housing.
Claims6
An occupancy sensor for detecting occupancy of a room with an access door comprising:
- a battery-powered passive infrared motion detector for producing a motion detected status message;
- a battery-powered Hall Effect switch for producing a door open or door closed status message;
- and
- a battery-powered transceiver for wirelessly transmitting motion detected, door open and door closed status messages;
- wherein the motion detector, the Hall Effect switch and the transceiver are all contained in a single housing.
2 more elements
An occupancy sensor for detecting occupancy of a room with an access door comprising:
- a battery-powered passive infrared motion detector for detecting motion within the room;
- a battery-powered Hall Effect switch for detecting whether the door is open or closed;
- wherein the motion detector and the Hall Effect switch are each in wireless communication with a controller and are both contained in a single housing.
Dependencies are inferred from the claim text.