Stopping position control device

Details Stopping position control device Stopping position control device

1991-10-23

1992-08-25

Hix, L. T.

G03B 118

Patent

active

051423146

ABSTRACT:
A stopping control device includes a stripe pattern formed on an object to be moved and a non-contact type sensor for sensing a boundary between the stripes of the pattern. The stopping mechanism stops the object after a predetermined time has passed after a boundary was sensed so that the sensor beam is positioned at an approximate center of a stripe. The sensor may be a photo reflector sensing a reflectance of each part of the stripes, to sense a boundary therebetween.

REFERENCES:
patent: 4445757 (1984-05-01), Enomoto et al.
patent: 4446526 (1984-05-01), Iwanade
patent: 4944030 (1990-07-01), Haraguchi et al.
patent: 4958177 (1990-09-01), Akitake

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