| 摘要 |
942,783. Automatic thickness control. E. I. DU PONT DE NEMOURS & CO. June 25, 1962 [June 26, 1961], No . 24296/62. Heading G3R. The subject matter of this Specification is identical to that of Specification 942, 781, with the addition that the potentiometer controlling the selector switch motor may be non-linear, having an inverse characteristic to that of a known shrinkage pattern, or alternatively the scanning motor may be controlled by such a non-linear potentiometer. Specification 942, 782 also is referred to.
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