Angle measuring device

Details Angle measuring device Angle measuring device

1984-03-07

1986-12-30

Wise, Edward J.

Boots, shoes, and leggings

364565, 33 1PT, G06F 1520, G01B 730

Patent

active

046334190

ABSTRACT:
An angle measuring device operating without a graduated board and of a type including a disc rotating a constant speed having a reference point fixed on the housing of a disc, an angle measuring arm concentric with the disc and rotatable, and a measuring point provided on the arm. In accordance with the invention, the ratio of an angle measuring time required for the disc to turn from the reference point to the measuring point to a one-revolution time of the disc is multiplied by 360.degree. to obtain an angle which is determined by the reference point, the center of the disc and the measuring point. This is effected with an angle measuring time integrating device for integrating data points corresponding to one-revolution time for each revolution of the disc, and an arithmetic unit for calculating a measured angle according to the ratio of the integrated value of the angle measuring times to the integrated value of the one-revolution times after the disc has made a predetermined number of revolutions.

REFERENCES:
patent: 3634946 (1972-01-01), Star
patent: 4136558 (1979-01-01), Lukes et al.
patent: 4181962 (1980-01-01), West, Jr. et al.
patent: 4318225 (1982-03-01), Jenkinson
patent: 4449191 (1984-05-01), Mehnert
patent: 4492031 (1985-01-01), Koenuma

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