Radiant energy – Photocells; circuits and apparatus – With circuit for evaluating a web – strand – strip – or sheet
Patent
1995-06-05
2000-10-03
Le, Que T.
Radiant energy
Photocells; circuits and apparatus
With circuit for evaluating a web, strand, strip, or sheet
25055931, 25055933, 901 47, 356 401, G01C 308
Patent
active
061276898
ABSTRACT:
A method and apparatus for positioning a member in a desired position relative to a surface of an object including providing positioning means for positioning the member, sensing the attitude of the object surface relative to the member or the positioning means using a non-contact sensing means, the attitude being sensed in at least one plane normal to the object surface, and controlling the positioning means using data from the sensing means to position the member at a desired attitude relative to the surface of the object.
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Hageniers Omer L.
Hockley Bernard
Liptay-Wagner Nick
Pastorius Walter J.
Pryor Timothy R.
Diffracto Ltd.
Le Que T.
Lee John R.
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