Time internal measuring apparatus and method for a revolution se

Details Time internal measuring apparatus and method for a revolution se Time internal measuring apparatus and method for a revolution se

1987-11-04

1990-11-20

Lall, Parshotam S.

Boots, shoes, and leggings

36457102, 364569, 36443105, 123480, 377 50, G01P 2100, G01P 3481

Patent

active

049723332

ABSTRACT:
A scale pulse signal is produced whenever a revolution sensor detects a unit revolution angle formed an angle between cogs of poles. A time interval between the scale pulse signal is affected by an error in the formed angle. The time interval between the scale pulse signals can be corrected by using a correction coefficient detrmined by an actual value of the unit revolution angle detected by the revolution sensor and by a design value of the unit revolution angle, so that the time interval corresponds to the design value of the unit revolution angle.

REFERENCES:
patent: 4197585 (1980-04-01), Moorey et al.
patent: 4216419 (1980-08-01), van Dam et al.
patent: 4303984 (1981-12-01), Houvig
patent: 4366541 (1982-12-01), Mouri et al.
patent: 4418392 (1983-11-01), Hata
patent: 4581713 (1986-04-01), Fennel
patent: 4633419 (1986-12-01), Niiho et al.
patent: 4669052 (1987-05-01), Bianco

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