Electricity: motive power systems – Automatic and/or with time-delay means – Movement – position – or limit-of-travel
Reexamination Certificate
2007-06-21
2009-08-18
Leykin, Rita (Department: 2837)
Electricity: motive power systems
Automatic and/or with time-delay means
Movement, position, or limit-of-travel
C318S286000, C318S369000, C318S461000
Reexamination Certificate
active
07576505
ABSTRACT:
A device for finding a home position of a moveable member includes a magnet mounted on the moveable member and two switch-type Hall effect detectors, one on each side of the home position and equally spaced from the home position. The device includes a device for measuring movement of the moveable member and a microprocessor with a memory that receives information from the two Hall effect detectors and the device for measuring movement.
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Leykin Rita
Marsh Robert L.
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