Mahesan Chelvayohan

Person

Lexington, KY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Image illumination and capture in a scanning device
- Patent number 8,705,147
- Issue date Apr 22, 2014
- Lexmark International, Inc.
- Mark Eric Miller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Print media detection in an imaging apparatus
- Patent number 7,926,896
- Issue date Apr 19, 2011
- Lexmark International, Inc.
- Mahesan Chelvayohan
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method and device for reducing a size of a scanning device
- Patent number 7,835,041
- Issue date Nov 16, 2010
- Lexmark International, Inc.
- Mahesan Chelvayohan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Jam-door open sensing using media sensor and method for use thereof
- Patent number 7,744,077
- Issue date Jun 29, 2010
- Lexmark International, Inc.
- Patrick A. Buxton
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Image illumination and capture in a scanning device
- Patent number 7,746,517
- Issue date Jun 29, 2010
- Lexmark International, Inc.
- Mark Eric Miller
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Bound document scanning method and apparatus
- Patent number 7,693,329
- Issue date Apr 6, 2010
- Lexmark International, Inc.
- Mahesan Chelvayohan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Ink identification and detection system with ink for use therewith
- Patent number 7,681,980
- Issue date Mar 23, 2010
- Lexmark International, Inc.
- Xiaorong Cai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Methods of identifying the type of a document to be scanned
- Patent number 7,529,007
- Issue date May 5, 2009
- Lexmark International, Inc.
- Aditya J. Angal
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Illuminated media position indicator and method of use
- Patent number 7,518,762
- Issue date Apr 14, 2009
- Lexmark International, Inc.
- Stephen A. Budelsky
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Print media detection in an imaging apparatus
- Patent number 7,401,878
- Issue date Jul 22, 2008
- Lexmark International, Inc.
- Mahesan Chelvayohan
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Multiple resolution optical imager using single size image elements
- Patent number 7,358,997
- Issue date Apr 15, 2008
- Lexmark International, Inc.
- Aditya J. Angal
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Imaging apparatus having a media sensor
- Patent number 7,224,493
- Issue date May 29, 2007
- Lexmark International, Inc.
- Mahesan Chelvayohan
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Media sensor apparatus using a two component media sensor for media...
- Patent number 7,205,561
- Issue date Apr 17, 2007
- Lexmark International, Inc.
- Mahesan Chelvayohan
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Imaging apparatus including a movable media sensor
- Patent number 7,198,265
- Issue date Apr 3, 2007
- Lexmark International, Inc.
- Mahesan Chelvayohan
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Print media depletion detection in an imaging apparatus
- Patent number 7,185,885
- Issue date Mar 6, 2007
- Lexmark International, Inc.
- Mahesan Chelvayohan
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Media type sensing method for an imaging apparatus
- Patent number 7,049,620
- Issue date May 23, 2006
- Lexmark International, Inc.
- John Philip Bolash
- G01 - MEASURING TESTING
Information Patent Grant
Method of ink level determination for multiple ink chambers
- Patent number 7,013,804
- Issue date Mar 21, 2006
- Lexmark International, Inc.
- Mahesan Chelvayohan
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method of media type differentiation in an imaging apparatus
- Patent number 6,998,628
- Issue date Feb 14, 2006
- Lexmark International, Inc.
- Mahesan Chelvayohan
- G01 - MEASURING TESTING
Information Patent Grant
Liquid level detection gauge and associated methods
- Patent number 6,962,078
- Issue date Nov 8, 2005
- Lexmark International, Inc.
- Aditya J. Angal
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for detecting media type
- Patent number 6,914,684
- Issue date Jul 5, 2005
- Lexmark International, Inc.
- John Philip Bolash
- G01 - MEASURING TESTING
Information Patent Grant
Media type sensing method for an imaging apparatus
- Patent number 6,900,449
- Issue date May 31, 2005
- Lexmark International Inc.
- John Philip Bolash
- G01 - MEASURING TESTING
Information Patent Grant
Media sensing apparatus for detecting an absence of print media
- Patent number 6,794,669
- Issue date Sep 21, 2004
- Lexmark International, Inc.
- Mahesan Chelvayohan
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method to correct for sensitivity variation of media sensors
- Patent number 6,713,775
- Issue date Mar 30, 2004
- Lexmark International, Inc.
- Mahesan Chelvayohan
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus and method for media presence detection
- Patent number 6,590,223
- Issue date Jul 8, 2003
- Lexmark International, Inc.
- Mahesan Chelvayohan
- G01 - MEASURING TESTING
Information Patent Grant
Method for calibration of chemical sensor in measuring changes in c...
- Patent number 6,360,582
- Issue date Mar 26, 2002
- Texas Instruments Incorporated
- Mahesan Chelvayohan
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for infrared sensing of gas
- Patent number 6,067,840
- Issue date May 30, 2000
- Texas Instruments Incorporated
- Mahesan Chelvayohan
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Image Illumination and Capture in a Scanning Device
- Publication number 20100195168
- Publication date Aug 5, 2010
- Mark Eric Miller
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Ink Identification and Detection System With Ink For Use Therewith
- Publication number 20090115804
- Publication date May 7, 2009
- Xiaorong Cai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Methods For Smart Copying With Improved Scanning Efficiency
- Publication number 20090067005
- Publication date Mar 12, 2009
- Mahesan Chelvayohan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image Illumination And Capture In A Scanning Device
- Publication number 20080180754
- Publication date Jul 31, 2008
- Mark Eric Miller
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PRINT MEDIA DETECTION IN AN IMAGING APPARATUS
- Publication number 20080143773
- Publication date Jun 19, 2008
- Lexmark International, Inc.
- Mahesan Chelvayohan
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Hand-Held Printer Having An Integrated Digital Camera Scanner
- Publication number 20080079956
- Publication date Apr 3, 2008
- Mahesan Chelvayohan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and device for reducing a size of a scanning device
- Publication number 20070070445
- Publication date Mar 29, 2007
- Lexmark International, Inc.
- Mahesan Chelvayohan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Systems, methods and apparatuses for sensing ink container and ink...
- Publication number 20070040858
- Publication date Feb 22, 2007
- Lexmark International, Inc.
- Michael Clark Campbell
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Methods of identifying the type of a document to be scanned
- Publication number 20060279802
- Publication date Dec 14, 2006
- Lexmark International, Inc.
- Aditya J. Angal
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Illuminated media position indicator and method of use
- Publication number 20060146380
- Publication date Jul 6, 2006
- Stephen A. Budelsky
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Multiple resolution optical imager using single size image elements
- Publication number 20060146154
- Publication date Jul 6, 2006
- Lexmark International, Inc.
- Aditya J. Angal
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Imaging apparatus including a movable media sensor
- Publication number 20060071391
- Publication date Apr 6, 2006
- Mahesan Chelvayohan
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Print media detection in an imaging apparatus
- Publication number 20060066654
- Publication date Mar 30, 2006
- Mahesan Chelvayohan
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Jam-door open sensing using media sensor and method for use thereof
- Publication number 20060049571
- Publication date Mar 9, 2006
- Patrick A. Buxton
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Bound document scanning method and apparatus
- Publication number 20060007505
- Publication date Jan 12, 2006
- Mahesan Chelvayohan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Media sensor apparatus using a two component media sensor for media...
- Publication number 20050211931
- Publication date Sep 29, 2005
- Mahesan Chelvayohan
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Media type sensing method for an imaging apparatus
- Publication number 20050201223
- Publication date Sep 15, 2005
- Lexmark International, Inc.
- John Philip Bolash
- G01 - MEASURING TESTING
Information Patent Application
Method of ink level determination for multiple ink chambers
- Publication number 20050128230
- Publication date Jun 16, 2005
- Mahesan Chelvayohan
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Print media depletion detection in an imaging apparatus
- Publication number 20050122359
- Publication date Jun 9, 2005
- Mahesan Chelvayohan
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Media type sensing method for an imaging apparatus
- Publication number 20040135106
- Publication date Jul 15, 2004
- John Philip Bolash
- G01 - MEASURING TESTING
Information Patent Application
Liquid level detection gauge and associated methods
- Publication number 20040119637
- Publication date Jun 24, 2004
- Aditya J. Angal
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Imaging apparatus having a media sensor
- Publication number 20040114201
- Publication date Jun 17, 2004
- Mahesan Chelvayohan
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Method of media type differentiation in an imaging apparatus
- Publication number 20040099822
- Publication date May 27, 2004
- Mahesan Chelvayohan
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Media sensing apparatus for detecting an absence of print media
- Publication number 20040017416
- Publication date Jan 29, 2004
- Mahesan Chelvayohan
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
METHOD TO CORRECT FOR SENSITIVITY VARIATION OF MEDIA SENSORS
- Publication number 20030234373
- Publication date Dec 25, 2003
- Mahesan Chelvayohan
- G01 - MEASURING TESTING

Mahesan Chelvayohan

Person

Patents Grantslast 30 patents

Image illumination and capture in a scanning device

Print media detection in an imaging apparatus

Method and device for reducing a size of a scanning device

Jam-door open sensing using media sensor and method for use thereof

Image illumination and capture in a scanning device

Bound document scanning method and apparatus

Ink identification and detection system with ink for use therewith

Methods of identifying the type of a document to be scanned

Illuminated media position indicator and method of use

Print media detection in an imaging apparatus

Multiple resolution optical imager using single size image elements

Imaging apparatus having a media sensor

Media sensor apparatus using a two component media sensor for media...

Imaging apparatus including a movable media sensor

Print media depletion detection in an imaging apparatus

Media type sensing method for an imaging apparatus

Method of ink level determination for multiple ink chambers

Method of media type differentiation in an imaging apparatus

Liquid level detection gauge and associated methods

Method and apparatus for detecting media type

Media type sensing method for an imaging apparatus

Media sensing apparatus for detecting an absence of print media

Method to correct for sensitivity variation of media sensors

Apparatus and method for media presence detection

Method for calibration of chemical sensor in measuring changes in c...

Method and apparatus for infrared sensing of gas

Patents Applicationslast 30 patents

Image Illumination and Capture in a Scanning Device

Ink Identification and Detection System With Ink For Use Therewith

Methods For Smart Copying With Improved Scanning Efficiency

Image Illumination And Capture In A Scanning Device

PRINT MEDIA DETECTION IN AN IMAGING APPARATUS

Hand-Held Printer Having An Integrated Digital Camera Scanner

Method and device for reducing a size of a scanning device

Systems, methods and apparatuses for sensing ink container and ink...

Methods of identifying the type of a document to be scanned

Illuminated media position indicator and method of use

Multiple resolution optical imager using single size image elements

Imaging apparatus including a movable media sensor

Print media detection in an imaging apparatus

Jam-door open sensing using media sensor and method for use thereof

Bound document scanning method and apparatus

Media sensor apparatus using a two component media sensor for media...

Media type sensing method for an imaging apparatus

Method of ink level determination for multiple ink chambers

Print media depletion detection in an imaging apparatus

Media type sensing method for an imaging apparatus

Liquid level detection gauge and associated methods

Imaging apparatus having a media sensor

Method of media type differentiation in an imaging apparatus

Media sensing apparatus for detecting an absence of print media

METHOD TO CORRECT FOR SENSITIVITY VARIATION OF MEDIA SENSORS