Multiple output magnetic sensor

Details Multiple output magnetic sensor Multiple output magnetic sensor

2006-05-23

2006-05-23

Donovan, Lincoln (Department: 2832)

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Superconductive type

C340S547000, C340S426280, C335S207000

Reexamination Certificate

active

07049914

ABSTRACT:
A door position sensing system includes a door claw having first and second magnets mounted thereon, and a Hall sensor mounted so as to sense the magnetic fields of the first and second magnets. The first magnet is mounted in a door half-latch position, and the second magnet is mounted in a door full-latch position. A processor is responsive to the Hall sensor to provide outputs indicating the half-latch and full-latch positions of a door. The processor may also be arranged to indicate a door open position when neither magnet is near the sensor.

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