Control system
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United States of America Patent
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Aug 12, 2008
Grant Date -
Feb 9, 2006
app pub date -
Aug 5, 2005
filing date -
Aug 6, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A control system comprising a control input device having a movable magnet, a pole-piece frame arrangement positioned about the magnet and positioned therein at least two magnetic flux sensors for sensing movement of the magnet in a given direction. The control system further comprises a monitoring arrangement for monitoring the output signal of each of the sensors and permits the input device to control the system only when the output of the sensors are within a predefined range. This multiple sensing provides a fail-safe in the event that one of the sensors generates an erroneous signal.
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