Inventor
CHELVAYOHAN MAHESAN
US28 patents
⚠️ This page may combine multiple inventors who share the name “CHELVAYOHAN MAHESAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LEXMARK INT INC
23 patentsUS6900449B2May 31, 2005
Media type sensing method for an imaging apparatus
LEXMARK INT INC62 citations96
US6914684B1Jul 5, 2005
Method and apparatus for detecting media type
LEXMARK INT INC49 citations92
US7205561B2Apr 17, 2007
Media sensor apparatus using a two component media sensor for media absence detection
LEXMARK INT INC24 citations90
US6713775B2Mar 30, 2004
Method to correct for sensitivity variation of media sensors
LEXMARK INT INC28 citations90
US6794669B2Sep 21, 2004
Media sensing apparatus for detecting an absence of print media
LEXMARK INT INC37 citations88
US6998628B2Feb 14, 2006
Method of media type differentiation in an imaging apparatus
LEXMARK INT INC16 citations84
US6590223B1Jul 8, 2003
Apparatus and method for media presence detection
LEXMARK INT INC15 citations84
US7746517B2Jun 29, 2010
Image illumination and capture in a scanning device
LEXMARK INT INC9 citations82
US7198265B2Apr 3, 2007
Imaging apparatus including a movable media sensor
LEXMARK INT INC13 citations82
US7744077B2Jun 29, 2010
Jam-door open sensing using media sensor and method for use thereof
LEXMARK INT INC11 citations81
US6962078B2Nov 8, 2005
Liquid level detection gauge and associated methods
LEXMARK INT INC13 citations81
US7693329B2Apr 6, 2010
Bound document scanning method and apparatus
LEXMARK INT INC8 citations76
US7185885B2Mar 6, 2007
Print media depletion detection in an imaging apparatus
LEXMARK INT INC9 citations74
US7013804B2Mar 21, 2006
Method of ink level determination for multiple ink chambers
LEXMARK INT INC8 citations74
US7049620B2May 23, 2006
Media type sensing method for an imaging apparatus
LEXMARK INT INC7 citations73
US7681980B2Mar 23, 2010
Ink identification and detection system with ink for use therewith
LEXMARK INT INC2 citations62
US7401878B2Jul 22, 2008
Print media detection in an imaging apparatus
LEXMARK INT INC4 citations62
US7529007B2May 5, 2009
Methods of identifying the type of a document to be scanned
LEXMARK INT INC4 citations60
US7518762B2Apr 14, 2009
Illuminated media position indicator and method of use
LEXMARK INT INC5 citations60
US7358997B2Apr 15, 2008
Multiple resolution optical imager using single size image elements
LEXMARK INT INC5 citations60
US7224493B2May 29, 2007
Imaging apparatus having a media sensor
LEXMARK INT INC6 citations60
US7926896B2Apr 19, 2011
Print media detection in an imaging apparatus
LEXMARK INT INC1 citations51
US7835041B2Nov 16, 2010
Method and device for reducing a size of a scanning device
LEXMARK INT INC0 citations51