Optical readout device to provide visual information
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United States of America Patent
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Nov 28, 2017
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N/A
app pub date -
Aug 28, 2015
filing date -
Jun 24, 2011
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Abstract
An optical readout device for providing visual circumference and diameter readings of an object being measured by a linear tape. The tail end of the tape passes by a reader element in a digital device which is equipped electronically with the pi conversion factor to provide selective readings of diameter in English and metric units, as well as circumference readings. The device can be employed for external (outside) and internal (inside) measurements.
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