Image scanner incorporating rotary encoder

Details Image scanner incorporating rotary encoder Image scanner incorporating rotary encoder

2006-11-21

2006-11-21

Grant, Jerome (Department: 2625)

Facsimile and static presentation processing

Facsimile

Picture signal generator

C358S478000, C358S474000, C382S312000

Reexamination Certificate

active

07139106

ABSTRACT:
A hand-held image scanner includes an elongate body, a line sensor extending in the body longitudinally thereof for reading an original document as the body moves along the document, a roller shaft rotatably supported in the body to extend longitudinally of the body, at least one roller supported on the roller shaft for rotating therewith while rolling on the document. The scanner also includes a rotary encoder for detecting the rotation of said at least one roller for determining a scanning distance of the body, and a drive transmission for connecting the roller to the rotary encoder. The rotary encoder includes a rotary disk supported on a disc shaft. The disc shaft extends perpendicularly to the roller shaft.

REFERENCES:
patent: 4703186 (1987-10-01), Nakayama et al.
patent: 5953497 (1999-09-01), Kokubo et al.
patent: 6118553 (2000-09-01), Berg
patent: 6320679 (2001-11-01), Noda et al.

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