Electricity: measuring and testing – Magnetic – Displacement
Reexamination Certificate
2005-01-25
2005-01-25
LeDynh, Bot (Department: 2862)
Electricity: measuring and testing
Magnetic
Displacement
C324S207130
Reexamination Certificate
active
06847204
ABSTRACT:
Position sensing control of the displacement of a first member relative to a second member particularly in a vehicular environment is aided by having a ratiometric relationship between the voltage supply for the sensor and the measuring/control portion of the apparatus. In an embodiment, the relative position of a rear view mirror to its housing is controlled. To facilitate the return of a mirror to a preferred position, the conversion of sensor voltage output to a current and the storage of the current of one or more preferred positions allows for the repeatable setting of the rear view mirror. Over and under voltage protection of the sensor supply voltage provides for consistent measurement and control characteristics.
REFERENCES:
patent: 4538063 (1985-08-01), Bulat
patent: 4569233 (1986-02-01), Rosaen
patent: 4856885 (1989-08-01), Fimeri
patent: 5694040 (1997-12-01), Plagens
patent: 2102364 (1983-02-01), None
LeDynh Bot
Shefenacker Visions Systems Australia Pty Ltd
Warn, Hoffmann, Miller & LaLone, P.C.
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