Geometrical instruments – Area integrators – Electrical
Patent
1978-11-13
1980-09-09
Little, Willis
Geometrical instruments
Area integrators
Electrical
33174P, 33172E, 33DIG2, G01B 728
Patent
active
042210534
ABSTRACT:
An inspection apparatus for determining the contours of sheet material, particularly glass sheets, comprising a checking fixture having a plurality of probe assemblies for determining the exact position of points along the sheet and the deviation, if any, of such measured points from reference points constituting the ideal contour. The probe assemblies generate linear signals transmitted to a controller which, in turn, converts such signals into data displayed on a video screen in selectively different forms.
REFERENCES:
patent: 3733704 (1973-05-01), Iarabaugh
patent: 3855708 (1974-12-01), Tann et al.
Blausey, Jr. Richard H.
Bobel, II Robert J.
Floyd Edward D.
Hopings Donald B.
Retzloff Russell C.
Libbey-Owens-Ford Company
Little Willis
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