Method and apparatus for aligning visual images with visual disp

Details Method and apparatus for aligning visual images with visual disp Method and apparatus for aligning visual images with visual disp

1993-03-01

1995-06-13

Hille, Rolf

Optics: measuring and testing

By alignment in lateral direction

With registration indicia

356399, 2504611, 2504591, G01B 1127, G01B 1100

Patent

active

054248396

ABSTRACT:
A method and apparatus is provided for ensuring that an image projected upon a visual display device is properly aligned with the viewing surface of the display device. Important to achieving the proper alignment is the use of a fluorescent ink which is visible only when illuminated under ultraviolet light. Use of the fluorescent ink allows a pattern of reference points, constituting an alignment pattern, to be permanently marked directly on the viewing surface of the visual display device, for example. Since the alignment pattern is permanently marked and is visible only when illuminated with ultraviolet light, alignment between the image and the display device can be immediately determined without the aid of additional equipment such as is employed by previously known image alignment systems.

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Patent Abstracts of Japan, vol. 14, No. 434 (P-1107) 18 Sep. 1990 & JP, A, 02 170 193 (Sony Corp), Susumu.

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