Apparatus for testing and adjusting color cathode ray tube equip

Details Apparatus for testing and adjusting color cathode ray tube equip Apparatus for testing and adjusting color cathode ray tube equip

1990-01-29

1991-01-29

Britton, Howard W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

324404, 358139, 358903, H04N 1704

Patent

active

049890727

ABSTRACT:
An adjusting apparatus for cathode ray tube equipment for convergence and/or image distortion adjustment which includes a pattern generator connected to a cathode ray tube to be measured and which generates a predetermined pattern having a plurality of bars and a white area, a probe attached to a front face of the cathode ray tube to be measured, and which includes a photo detector and a switch for starting measurement, an analog-to-digital converter connected to the probe, a measured data memory connected to an analog-to-digital converter for storing data received by the probe, a processor for controlling the pattern generator, receiving data from the measured data memory, and calculating the data according to various measurement routines.

REFERENCES:
patent: 4593309 (1986-06-01), Uno
patent: 4897721 (1990-01-01), Young
patent: 4925420 (1990-05-01), Fourche

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