Douglas Gene Keithley

Person

Boise, ID, US

People

Patents Grantslast 30 patents

Information Patent Grant
System and method for fractional pixel dilation and erosion
- Patent number 9,704,228
- Issue date Jul 11, 2017
- Marvell International Ltd.
- Douglas Keithley
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Oscillating mirror line based image transformation
- Patent number 9,678,334
- Issue date Jun 13, 2017
- Marvell International Ltd.
- Douglas G. Keithley
- G02 - OPTICS
Information Patent Grant
Modified bicubic interpolation
- Patent number 9,563,935
- Issue date Feb 7, 2017
- Marvell World Trade Ltd.
- Douglas G. Keithley
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Non raster row pixel processing
- Patent number 9,542,716
- Issue date Jan 10, 2017
- Marvell International Ltd.
- Douglas G. Keithley
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for scanning an image
- Patent number 9,444,964
- Issue date Sep 13, 2016
- Marvell International Ltd.
- Bennett Fornal
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Pulse width modulator for a printing device
- Patent number 9,361,556
- Issue date Jun 7, 2016
- Marvell International Ltd.
- John D Marshall
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Faster monochrome printing for in-line electrophotographic color pr...
- Patent number 9,330,348
- Issue date May 3, 2016
- Marvell International Ltd.
- Douglas Keithley
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Storing and removing device drivers in memory in imaging devices
- Patent number 9,213,512
- Issue date Dec 15, 2015
- Marvell International Ltd.
- Mark D. Montierth
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for optimizing memory usage in an imaging device
- Patent number 9,159,005
- Issue date Oct 13, 2015
- Marvell International Ltd.
- Mark D. Montierth
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for estimating usage of print substance in a p...
- Patent number 9,159,008
- Issue date Oct 13, 2015
- Marvell International Ltd.
- Roy G. Moss
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Alignment of color planes in multi-beam multi-pass printers
- Patent number 9,139,020
- Issue date Sep 22, 2015
- Marvell International Ltd.
- Douglas Gene Keithley
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method and apparatus for reducing noise in a scanned image while mi...
- Patent number 9,104,941
- Issue date Aug 11, 2015
- Marvell International Ltd.
- Douglas G. Keithley
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for selective use of wear-leveling to store da...
- Patent number 9,099,182
- Issue date Aug 4, 2015
- Marvell International Ltd.
- Mark D. Montierth
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and system for performing image processing on a document bas...
- Patent number 9,100,610
- Issue date Aug 4, 2015
- Marvell World Trade Ltd.
- Douglas Gene Keithley
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Flexible image processing apparatus and method
- Patent number 9,064,204
- Issue date Jun 23, 2015
- Marvell International Ltd.
- Roy G. Moss
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Non-sequential transfer of data from a memory
- Patent number 9,053,052
- Issue date Jun 9, 2015
- Marvell International Ltd.
- William R. Schmidt
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Exposure correction for scanners
- Patent number 9,041,988
- Issue date May 26, 2015
- Marvell International Ltd.
- Douglas G. Keithley
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Color space conversion
- Patent number 8,995,018
- Issue date Mar 31, 2015
- Marvell International Ltd.
- Douglas G. Keithley
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Color adjustment for a scanned image
- Patent number 8,976,431
- Issue date Mar 10, 2015
- Marvell International Ltd.
- Douglas G. Keithley
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dither-synchronized image scanning
- Patent number 8,976,417
- Issue date Mar 10, 2015
- Marvell World Trade Ltd.
- Douglas G. Keithley
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Configurable color trapping
- Patent number 8,958,636
- Issue date Feb 17, 2015
- Marvell International Ltd.
- Jay McDougal
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Modified bicubic interpolation
- Patent number 8,953,907
- Issue date Feb 10, 2015
- Marvell World Trade Ltd.
- Douglas G. Keithley
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Pulse width modulator for a printing device
- Patent number 8,947,734
- Issue date Feb 3, 2015
- Marvell International Ltd.
- John D. Marshall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for dynamically generating a stochastic thresh...
- Patent number 8,941,884
- Issue date Jan 27, 2015
- Marvell International Ltd.
- Douglas G. Keithley
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of pre-processing data on a host machine for a host-based pr...
- Patent number 8,941,882
- Issue date Jan 27, 2015
- Marvell International Technology Ltd.
- Lyman Leonard Hall
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Monochrome printing system and method for multiple data channels of...
- Patent number 8,928,902
- Issue date Jan 6, 2015
- Marvell International Ltd.
- Douglas G. Keithley
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Multi-function device architecture
- Patent number 8,903,300
- Issue date Dec 2, 2014
- Marvell World Trade Ltd.
- Mark D. Montierth
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Laser printer with reduced banding artifacts
- Patent number 8,885,006
- Issue date Nov 11, 2014
- Marvell World Trade Ltd.
- Douglas G. Keithley
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
On-the-fly halftone image generation
- Patent number 8,885,223
- Issue date Nov 11, 2014
- Marvell International Ltd.
- Douglas Gene Keithley
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Storing device drivers in imaging devices
- Patent number 8,836,960
- Issue date Sep 16, 2014
- Marvell International Ltd.
- Mark D. Montierth
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
MODIFIED BICUBIC INTERPOLATION
- Publication number 20150147004
- Publication date May 28, 2015
- Marvell World Trade Ltd.
- Douglas G. KEITHLEY
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and Apparatus for Optimizing Memory Usage in an Imaging Device
- Publication number 20150022849
- Publication date Jan 22, 2015
- Mark D. Montierth
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND SYSTEM FOR PERFORMING IMAGE PROCESSING ON A DOCUMENT BAS...
- Publication number 20140198351
- Publication date Jul 17, 2014
- Marvell World Trade Ltd.
- Douglas Gene Keithley
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LASER PRINTER WITH REDUCED BANDING ARTIFACTS
- Publication number 20140055550
- Publication date Feb 27, 2014
- Marvell International Technology Ltd.
- Douglas G. Keithley
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LASER PRINT APPARATUS WITH DUAL HALFTONES
- Publication number 20130182290
- Publication date Jul 18, 2013
- Douglas Gene Keithley
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LASER OSCILLATING MIRROR SUPPORT FOR COLOR PRINTER
- Publication number 20130155167
- Publication date Jun 20, 2013
- Marvell World Trade Ltd.
- Douglas Gene Keithley
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD OF PRE-PROCESSING DATA ON A HOST MACHINE FOR A HOST-BASED PR...
- Publication number 20130135629
- Publication date May 30, 2013
- Marvell International Technology Ltd.
- Lyman Leonard Hall
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
USER INTERFACE FEEDBACK USING SCANNER LIGHT SOURCE
- Publication number 20130010320
- Publication date Jan 10, 2013
- Marvell International Ltd.
- James A. Hall, JR.
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MODIFIED BICUBIC INTERPOLATION
- Publication number 20120321219
- Publication date Dec 20, 2012
- Douglas G. Keithley
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHODS AND SYSTEMS FOR IMAGE SCALING
- Publication number 20120154829
- Publication date Jun 21, 2012
- Marvell International Technology Ltd.
- Douglas G. Keithley
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Laser Printer With Reduced Banding Artifacts
- Publication number 20120120178
- Publication date May 17, 2012
- Douglas Gene Keithley
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LASER PRINT APPARATUS WITH DUAL HALF TONES
- Publication number 20120113477
- Publication date May 10, 2012
- Marvell International Technology Ltd.
- Douglas Gene Keithley
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DITHER-SYNCHRONIZED IMAGE SCANNING
- Publication number 20120099159
- Publication date Apr 26, 2012
- Douglas G. Keithley
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PROGRAMMABLE I/O INTERFACE
- Publication number 20110307634
- Publication date Dec 15, 2011
- Richard David Taylor
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE FORMING APPARATUS FOR IDENTIFYING UNDESIRABLE TONER PLACEMENT
- Publication number 20110205567
- Publication date Aug 25, 2011
- Douglas G. Keithley
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DIRECT MEMORY ACCESS CONTROLLER WITH MULTIPLE TRANSACTION FUNCTIONA...
- Publication number 20110131347
- Publication date Jun 2, 2011
- Marvell International Ltd.
- John D. Marshall
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SCANNING APPARATUS AND METHOD FOR ENTERING A USER INPUT INTO THE AP...
- Publication number 20100321734
- Publication date Dec 23, 2010
- Marvell International Technology Ltd.
- James A. Hall, JR.
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PARALLEL VIDEO PROCESSING ARCHITECTURE
- Publication number 20100290072
- Publication date Nov 18, 2010
- Douglas Gene Keithley
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LASER PRINT APPARATUS WITH DUAL HALFTONES
- Publication number 20100225973
- Publication date Sep 9, 2010
- Douglas Gene Keithley
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHODS AND SYSTEMS FOR IMAGE SCALING
- Publication number 20100177985
- Publication date Jul 15, 2010
- Marvell International Technology Ltd.
- Douglas G. Keithley
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Laser Print Apparatus That Generates Pulse With Value And Justifica...
- Publication number 20100165404
- Publication date Jul 1, 2010
- Marvell International Technology Ltd.
- John D. Marshall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LASER PRINT APPARATUS WITH TONER EXPLOSION COMPENSATION
- Publication number 20100165370
- Publication date Jul 1, 2010
- Marvel International Technology Ltd.
- Douglas Gene Keithley
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTI-FUNCTION DEVICE ARCHITECTURE
- Publication number 20100047001
- Publication date Feb 25, 2010
- Mark D. Montierth
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
USER INTERFACE FEEDBACK USING SCANNER LIGHT SOURCE
- Publication number 20090303539
- Publication date Dec 10, 2009
- James A. Hall, JR.
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RESOLUTION DOUBLING FOR PRINTER APPARATUS
- Publication number 20090207425
- Publication date Aug 20, 2009
- MARVELL INTERNATIONAL TECHNOLOGY LTD.
- Douglas Gene Keithley
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE FORMING APPARATUS FOR IDENTIFYING UNDESIRABLE TONER PLACEMENT
- Publication number 20090122354
- Publication date May 14, 2009
- Douglas Gene Keithley
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE ENHANCEMENT EMPLOYING PARTIAL TEMPLATE MATCHING
- Publication number 20090041369
- Publication date Feb 12, 2009
- Douglas Gene Keithley
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LASER OSCILLATING MIRROR SUPPORT FOR COLOR PRINTER
- Publication number 20090015882
- Publication date Jan 15, 2009
- Douglas G. Keithley
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
COLOR CORRECTING FOR AMBIENT LIGHT
- Publication number 20080303918
- Publication date Dec 11, 2008
- Micron Technology, Inc.
- Douglas Gene Keithley
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
METHOD AND APPARATUS FOR INTERVALED DMA TRANSFER ACCESS
- Publication number 20080235475
- Publication date Sep 25, 2008
- Charles Edward Evans
- G06 - COMPUTING CALCULATING COUNTING

Douglas Gene Keithley

Person

Patents Grantslast 30 patents

System and method for fractional pixel dilation and erosion

Oscillating mirror line based image transformation

Modified bicubic interpolation

Non raster row pixel processing

Method and apparatus for scanning an image

Pulse width modulator for a printing device

Faster monochrome printing for in-line electrophotographic color pr...

Storing and removing device drivers in memory in imaging devices

Method and apparatus for optimizing memory usage in an imaging device

Method and apparatus for estimating usage of print substance in a p...

Alignment of color planes in multi-beam multi-pass printers

Method and apparatus for reducing noise in a scanned image while mi...

Method and apparatus for selective use of wear-leveling to store da...

Method and system for performing image processing on a document bas...

Flexible image processing apparatus and method

Non-sequential transfer of data from a memory

Exposure correction for scanners

Color space conversion

Color adjustment for a scanned image

Dither-synchronized image scanning

Configurable color trapping

Modified bicubic interpolation

Pulse width modulator for a printing device

Method and apparatus for dynamically generating a stochastic thresh...

Method of pre-processing data on a host machine for a host-based pr...

Monochrome printing system and method for multiple data channels of...

Multi-function device architecture

Laser printer with reduced banding artifacts

On-the-fly halftone image generation

Storing device drivers in imaging devices

Patents Applicationslast 30 patents

MODIFIED BICUBIC INTERPOLATION

Method and Apparatus for Optimizing Memory Usage in an Imaging Device

METHOD AND SYSTEM FOR PERFORMING IMAGE PROCESSING ON A DOCUMENT BAS...

LASER PRINTER WITH REDUCED BANDING ARTIFACTS

LASER PRINT APPARATUS WITH DUAL HALFTONES

LASER OSCILLATING MIRROR SUPPORT FOR COLOR PRINTER

METHOD OF PRE-PROCESSING DATA ON A HOST MACHINE FOR A HOST-BASED PR...

USER INTERFACE FEEDBACK USING SCANNER LIGHT SOURCE

MODIFIED BICUBIC INTERPOLATION

METHODS AND SYSTEMS FOR IMAGE SCALING

Laser Printer With Reduced Banding Artifacts

LASER PRINT APPARATUS WITH DUAL HALF TONES

DITHER-SYNCHRONIZED IMAGE SCANNING

PROGRAMMABLE I/O INTERFACE

IMAGE FORMING APPARATUS FOR IDENTIFYING UNDESIRABLE TONER PLACEMENT

DIRECT MEMORY ACCESS CONTROLLER WITH MULTIPLE TRANSACTION FUNCTIONA...

SCANNING APPARATUS AND METHOD FOR ENTERING A USER INPUT INTO THE AP...

PARALLEL VIDEO PROCESSING ARCHITECTURE

LASER PRINT APPARATUS WITH DUAL HALFTONES

METHODS AND SYSTEMS FOR IMAGE SCALING

Laser Print Apparatus That Generates Pulse With Value And Justifica...

LASER PRINT APPARATUS WITH TONER EXPLOSION COMPENSATION

MULTI-FUNCTION DEVICE ARCHITECTURE

USER INTERFACE FEEDBACK USING SCANNER LIGHT SOURCE

RESOLUTION DOUBLING FOR PRINTER APPARATUS

IMAGE FORMING APPARATUS FOR IDENTIFYING UNDESIRABLE TONER PLACEMENT

IMAGE ENHANCEMENT EMPLOYING PARTIAL TEMPLATE MATCHING

LASER OSCILLATING MIRROR SUPPORT FOR COLOR PRINTER

COLOR CORRECTING FOR AMBIENT LIGHT

METHOD AND APPARATUS FOR INTERVALED DMA TRANSFER ACCESS