Title:
SHEET MOVEMENT SENSOR
Document Type and Number:
WIPO Patent Application WO2002068965
Kind Code:
A3
Abstract:
A sensor (10) for detecting the movement of a sheet of media (40) including a light emitting element (50) and a light sensing element (52, 54) for detecting at least part of the light emitted from the light emitting element (50) and reflected by the sheet (40).
Inventors:
AHNE ADAM JUDE
CAMPBELL MICHAEL CLARK
CAMPBELL MICHAEL CLARK
Application Number:
PCT/US2002/004189
Publication Date:
April 17, 2003
Filing Date:
February 13, 2002
Export Citation:
Assignee:
LEXMARK INT INC (US)
International Classes:
B41J11/00; B65H7/14; G01P13/00; (IPC1-7): B41J11/46; B41J15/00
Foreign References:
| US4484070A | 1984-11-20 | |||
| US4958069A | 1990-09-18 | |||
| US5764251A | 1998-06-09 |
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