Apparatus for detecting image area of thin plate

Details Apparatus for detecting image area of thin plate Apparatus for detecting image area of thin plate

1984-09-28

1987-07-07

Rosenberger, R. A.

Optics: measuring and testing

By configuration comparison

With photosensitive film or plate

336379, 362 11, G01B 1128

Patent

active

046783369

ABSTRACT:
An apparatus for detecting an image area of a thin plate is provided having a housing having a vertical side plate at one side thereof, the vertical side plate having an opening; a door movable to close/open the opening; a holder for holding the thin plate in a location which covers the opening when the door is closed; a camera mounted inside the housing so as to oppose the vertical side plate; the florescent lamps mounted on the inner surfaces of upper and lower plates and side plates of the housing which are perpendicular to the vertical side plate so that illumination directions of the florescent lamps are directed toward the thin plate.

REFERENCES:
patent: 3165025 (1965-01-01), Hart
patent: 3853409 (1974-12-01), Gaillochet
patent: 3958509 (1976-05-01), Murray et al.

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