Apparatus and method for automatically measuring the shoe-length

Details Apparatus and method for automatically measuring the shoe-length Apparatus and method for automatically measuring the shoe-length

1984-01-27

1986-03-04

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358101, H04N 718

Patent

active

045743061

ABSTRACT:
An apparatus and method is shown for measuring the shoe length of a video disc stylus and displaying a digital representation of the measured value in standard units of length for viewing by a human observer. The apparatus utilizes a video slicer for providing a selectively positionable sampling line on the screen of a monitor which displays an image of the part to be measured. The sampling line is positioned directly over the part to be measured and a signal is generated having a pulse amplitude corresponding to the brightness of the image only along the sampling line, and having a pulse width corresponding to the length of the image along the sampling line.

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