Programmable system for the synchronization of an electronic angular position indicator
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United States of America Patent
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-
Jul 18, 1995
Issued Date -
N/A
app pub date -
Aug 8, 1994
filing date -
Aug 31, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A programmable system synchronizes the operation of an electronic angular position indicator with the angular displacement of a rotor. The system can synchronize operation with rotors with non-uniform mark spacing. A sensor provides the system with electronic pulse patterns corresponding to marks on the rotor. Pulse patterns are compared to patterns stored in memory to determine the instantaneous angular position of the rotor. The synchronization system provides the angular position indicator with parameters appropriate to the angular position of the rotor. The system obtains synchronization during initial rotations of the rotor and continually checks synchronization during subsequent rotation.
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