Browse Prior Art Database

STABLE MIRROR MOUNT ASSEMBLY FOR AN OPTICAL SCANNING SYSTEM

IP.com Disclosure Number: IPCOM000026083D
Original Publication Date: 1990-Apr-30
Included in the Prior Art Database: 2004-Apr-05
Document File: 4 page(s) / 130K

Publishing Venue

Xerox Disclosure Journal

Abstract

Figure 1 illustrates a compact modular housing 30 which contains the components used to form an output image at a recording medium. A laser 32 generates a collimated beam of monochromatic light. The monochromatic light beam is reflected by first mirror 34 onto modulator 36, the light beam being modulated in conformance with the information contained in a video signal. Modulator 36 may be any suitable acousto-optic or electro-optical modulator for recording the video information in the form of a modulated light beam at the output of the modulator. By means of the modulator the information within the video signal is represented by the modulated light beam 38. Light beam 38 is reflected by second mirror 40 and is incident on imaging lens 41. Imaging lens 41 produces a beam 42 which is reflected by third and fourth mirrors 44 and 46, and impinges upon a plurality of contiguous facets of scanning polygon 48, as shown.

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XEROX DISCLOSURE JOURNAL

STABLE MIRROR MOUNT Proposed Classification ASSEMBLY FOR AN OPTICAL
SCANNING SYSTEM Int. C1. H041
Gary S. Schwarz

U.S. C1.178/000

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XEROX DISCLOSURE JOURNAL - Vol. 15, No. 2 MarcMApril 1990 63

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STABLE MIRROR MOUNT ASSEMBLY FOR AN OPTICAL SCANNING SYSTEM(Cont'd)

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FlG. 2A

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FIG. 2B

64 XEROX DISCLOSURE JOURNAL - Vol. 15, No. 2 MarcWApril 1990

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STABLE MIRROR MOUNT ASSEMBLY FOR AN OPTICAL SCANNING SYSTEM(Cont'd)

Figure 1 illustrates a compact modular housing 30 which contains the components used to form an output image at a recording medium. A laser 32 generates a collimated beam of monochromatic light. The monochromatic light beam is reflected by first mirror 34 onto modulator 36, the light beam being modulated in conformance with the information contained in a video signal. Modulator 36 may be any suitable acousto-optic or electro-optical modulator for recording the video information in the form of a modulated light beam at the output of the modulator. By means of the modulator the information within the video signal is represented by the modulated light beam 38. Light beam 38 is reflected by second mirror 40 and is incident on imaging lens 41. Imaging lens 41 produces a beam 42 which is reflected by third and fourth mirrors 44 and 46, and impinges upon a plurality of contiguous facets of scanning polygon 48, as shown.

The beams reflected from polygon 42 are reflected by fifth and sixth mirrors 50,52 and are directed through post-polygon conditioning lenses (not shown) and then through window 53 to form output raster lines at photoreceptor 54.

Mirrors 34, 40, 44, 46, 50, and 52, are fixed in place by an improved mounting structure according to the principles of the present invention. F...