Optical guide for increasing printer image width

Details Optical guide for increasing printer image width Optical guide for increasing printer image width

1996-07-03

1998-02-10

Nelms, David C.

Optical: systems and elements

Single channel simultaneously to or from plural channels

By partial reflection at beam splitting or combining surface

359834, G02B 2714, G02B 504

Patent

active

057175241

ABSTRACT:
An optical guide (10, 40, 50, 60) for horizontally aligning two vertically stacked images generated by one or two SLMs. The optical guide has a channel separator (10a) that directs both images along two different paths. A pair of aligning reflectors (10b and 10c) on each path vertically shift the images with respect to each other so that at least part of the images on the first path are aligned side-by-side with at least part of the images on the second path. The channel separator (10a) then re-directs the images to the image plane 15. Along both paths, at least two of the reflecting surfaces of channel separator (10a) or aligning reflectors (10b and 10c) are optically powered so as to change the width or height of the images.

REFERENCES:
patent: 4683420 (1987-07-01), Goutzoulis
patent: 4813761 (1989-03-01), Davis et al.
patent: 4905312 (1990-02-01), Mukozaka
patent: 5105299 (1992-04-01), Anderson
patent: 5311349 (1994-05-01), Anderson et al.
patent: 5367579 (1994-11-01), Javidi et al.
patent: 5519651 (1996-05-01), Redfield
patent: 5544252 (1996-08-01), Iwaki et al.

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