Electricity: magnetically operated switches – magnets – and electr – Permanent magnet-actuated switches
Reexamination Certificate
2006-04-11
2006-04-11
Lec, K. (Department: 2832)
Electricity: magnetically operated switches, magnets, and electr
Permanent magnet-actuated switches
C335S207000
Reexamination Certificate
active
07026897
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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Furlong Greg R.
Johnson Curtis B.
Lamb Wayne A.
Ricks Lamar F.
Honeywell International , Inc.
Joike Trevor B.
Lec K.
Rojas Bernard
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