Browse Prior Art Database

SINGLE CARRIAGE OPTICAL SCANNER

IP.com Disclosure Number: IPCOM000026725D
Original Publication Date: 1993-Jun-30
Included in the Prior Art Database: 2004-Apr-06
Document File: 2 page(s) / 103K

Publishing Venue

Xerox Disclosure Journal

Abstract

Traditionally, optical scanning systems used in a copying machine employ a charge coupled device (CCD) array are of two basic types: (1) the Full Ratemalf Rate scan carriage with a lens and a CCD mounted to the base of the machine, and (2) a single scan carriage which supports all the optical components comprising a series of fold mirrors, a lens, a CCD array, and a printed wire board assembly (PWBA).

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XEROX DISCLOSURE JOURNAL

SINGLE CARRIAGE OPTICAL SCANNER
Jack K. Fullerton

Proposed Classification

US. C1.355/233 Int. C1. G03g 15/28

32

30

XEROX DISCLOSURE JOURNAL - Vol. 18, No. 3 May/June 1993 261

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SINGLE CARRIAGE OPTICAL SCANNER (Cont'd)

Traditionally, optical scanning systems used in a copying machine employ a charge coupled device (CCD) array are of two basic types: (1) the Full Ratemalf Rate scan carriage with a lens and a CCD mounted to the base of the machine, and (2) a single scan carriage which supports all the optical components comprising a series of fold mirrors, a lens, a CCD array, and a printed wire board assembly (PWBA).

Proposed is a design for a compact optical scanner system using a single carriage and a CCD wherein a single small, light weight carriage, which supports a first single fold mirror, a CCD, a lens and a second single fold mirror, is used to perform the scanning. In addition to the moving carriage, the optical scanning system employs a set of two fixed mirror clusters which are mounted at either end of the scanning system in order to reduce the weight of the scanning carriage.

As shown in the illustration, the optical axis is folded once on the scanning carriage (not shown) by a right angle mirror 22. Leaving in a horizontal plane, the optical axis is folded twice on the right end of the machine by a fixed mirror cluster 30 and transmitted to the left end of the ma...