APPARATUS FOR MEASURING AND MARKING APERTURE MASKS

An apparatus for measuring and marking aperture masks for color television cathode ray tubes according to hole size utilizing a light source positioned on one side of the mask and a light detection means positioned on the other side. Upon receiving the portion of light which passes through the mask,...

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Bibliographische Detailangaben
1. Verfasser:	SMITH C,US
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRICITY MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS TESTING
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