H - Electricity – 01 – J
Patent
H - Electricity
01
J
313/35.152
H01J 29/10 (2006.01) H01J 29/34 (2006.01) H04N 17/04 (2006.01)
Patent
CA 2039352
ABSTRACT IMAGE ALIGNMENT APPARATUS Apparatus for image alignment in cathode ray tube display devices, the apparatus having light detectors arranged such that light from the cathode ray tube screen impinges on them and which provide objective, rather than subjective, data regarding the position of features of the image which data may be used to calculate the necessary adjustments to the cathode ray tube in order that it be correctly aligned.
Alan Macdonald
Miller Ian
International Business Machines Corporation
Miller Ian
Na
LandOfFree
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