Sheet discriminating apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 14, 1995
Grant Date -
N/A
app pub date -
Feb 16, 1994
filing date -
Feb 18, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A sheet discriminating apparatus includes a plurality of light emitting elements arranged in a plurality of lines perpendicular to a sheet conveyance direction. A plurality of light receiving elements are positioned so that each faces an associated one of the light emitting elements. When a sheet is conveyed by the light emitting elements, at least one of the light receiving elements is partially screened by the side edge of the sheet. Length detection circuitry is provided for detecting the length of the sheet in a direction perpendicular to the conveyance direction based upon outputs of the light receiving elements. Also, pattern detection circuitry is provided for determining pattern data of the sheet based upon outputs of the light receiving elements. The determined pattern data is compared to stored, reference pattern data. The outcome of the comparison and the determined length are used to discriminate the kind of sheet.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully