Image scanner pulley system for maintaining a constant distance between an optical sensor and a scanned document
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 13, 2000
Grant Date -
N/A
app pub date -
Mar 30, 1999
filing date -
Mar 31, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An image scanner of the type projecting the image of a document on a one-dimensional image sensor while maintaining the length of an optical path between the image sensor and a document scanning position constant is disclosed. A stop member is fitted on one end of a wire and affixed to a rail. The wire is turned back via a driven pulley rotatably mounted on a half-speed carriage and then affixed to a full-speed carriage at a preselected point of the wire. Subsequently, the wire is again turned back by a driven pulley, and then turned back via a driven pulley rotatably mounted on the half-speed carriage. A stop member is fitted on the other end of the wire and temporarily affixed to the rail.
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