Facsimile and static presentation processing – Facsimile – Picture signal generator
Patent
1995-12-15
1999-05-25
Lee, Thomas D.
Facsimile and static presentation processing
Facsimile
Picture signal generator
358493, H04N 104
Patent
active
059074124
ABSTRACT:
A rotatable image-mounting drum for use in a scanner or plotter. The drum has an end for permitting the releasable attachment of the drum to the scanner's or plotter's supporting and turning means. The drum's image-mounting surface and the drum's attachment end are preferably made of the same material, preferably acrylic. The attachment end of the drum includes a disk at the end of the drum, which has an opening or openings passing from its outer face to its inner face. The other end of the drum preferably is not attached directly to the rest of the scanner. The plotter's or scanner's mechanism for releasably attaching the rotatable drum includes a drum mount rotatable by a motor. A clasp stem, passing through a drum-mount opening, has a clasp finger rigidly attached thereto. A cam surface, having a varying elevation, can be rotated so as to push the cam stem through the drum-mount opening. A spring urges the stem against the cam surface. As the cam surface is rotated with respect to the drum mount, the distance between the finger and the drum mount's exterior side varies. The finger can pass through the opening in the attachment end of the drum, and the drum may be clasped between the finger and the drum mount's exterior side.
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Lee Thomas D.
Optronics International Corporation
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