Communications: electrical – Continuously variable indicating – With particular transmitter
Patent
1988-03-29
1989-08-08
Yusko, Donald J.
Communications: electrical
Continuously variable indicating
With particular transmitter
340870350, 324208, 318661, 341156, G08C 1916
Patent
active
048557340
ABSTRACT:
A relative position indication system comprises a cyclical position sensor which includes first and second plates having cyclical windings thereon. The position indication system is operative for determining the relative cycle position between the windings on the first plate and the windings on the second plate within a single cycle and for determining a cycle count representing the number of whole cycles by which the first and second plates have been repositioned relative to each other. The position indication system is further operative for combining the relative cycle positions with the cycle count in order to determine the overall relative position of the plates, and it is operative for updating the cycle count without updating the relative cycle position each time the plates are aligned in a zero or initialized position.
REFERENCES:
patent: 4358723 (1982-11-01), Scholl
patent: 4712106 (1987-12-01), McNally
patent: 4764767 (1988-08-01), Ichikawa et al.
International Machine & Tool Corporation
Queen Tyrone
Yusko Donald J.
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