Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1984-11-13
1986-07-22
Groody, James J.
Facsimile and static presentation processing
Static presentation processing
Attribute control
324404, 315 10, 356121, H04N 1702
Patent
active
046022724
ABSTRACT:
A system for measuring the intensity profiles of the electron beams of color kinescopes includes a camera having a CCD. A color field is placed on the kinescope screen and a pixel in the center of one of the colored stripes is selected. The color field is turned off and the beam is scanned in short lines in one direction and incrementally stepped across the selected pixel in the perpendicular direction. The charge level on the selected pixel is representative of the beam intensity and is recorded. The entire beam is stepped across the pixel to measure the intensity profile in one direction. The directions of scanning and stepping are then interchanged to measure the beam intensity profile in the normal direction. The process is then repeated for the other electron beams in the kinescope.
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Dunnam Michael P.
Groody James J.
Hallacher L. L.
Irlbeck D. H.
RCA Corporation
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