USPatentGranted
B1

Reflector for document scanner or copier

Granted 1 Jun 2004 · no office action yet

Application
9016562
filed 30 Jan 1998
Publication
Not published
not published
Patent· this page
US 6,744,542
granted 1 Jun 2004

Life of the patent

2 dated events
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Abstract

A reflective surface behind an image to be scanned on an optical image scanner, copier, facsimile machine or similar device. Preferably, the reflective surface has a reflectance less than 90% with a preferred reflectance range of 60% to 75%. This reflective surface is substantially integral with the scanner, copier or facsimile lid surface and substantially reduces image bleed-through while resulting in an acceptable level of color shift and an acceptable loss of dynamic range relative to a white surface. In a second embodiment, the reflective surface is interchangeable by the end user in order to optimize the reflectance of the reflective surface for any given document to be scanned, copied, or faxed.

Classifications

5 codes
IPC · International Patent Classification
Section H — Electricity
  • H04N1/46
USPC · US Patent Classification
358/509358/474358/497358/496

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Pendency
6.3 y
2,314 days filing → grant
Office actions
0
on the grant's record
Examiner
Mark Wallerson
art unit —
Citations: 9 back · 0 forward

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