David Louis Schell

Person

Ft. Collins, CO, US

People

Patents Grantslast 30 patents

Information Patent Grant
Impedance mitigation of a microactuator conductive joint
- Patent number 8,891,200
- Issue date Nov 18, 2014
- Seagate Technology LLC
- John C. Purkett
- G11 - INFORMATION STORAGE
Information Patent Grant
Controller with fractional position algorithm
- Patent number 7,843,661
- Issue date Nov 30, 2010
- Seagate Technology LLC
- David Louis Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Open loop Ka calibration with low frequency compensation
- Patent number 7,554,761
- Issue date Jun 30, 2009
- Seagate Technology LLC
- Lingzhi Yang
- G11 - INFORMATION STORAGE
Information Patent Grant
Trajectory control profile with non-zero initial velocity
- Patent number 7,477,476
- Issue date Jan 13, 2009
- Seagate Technology LLC
- David Louis Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Monitoring a sensor's output using a target window that is based on...
- Patent number 7,092,184
- Issue date Aug 15, 2006
- Seagate Technology LLC
- Christopher Thomas Settje
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of reducing miscorrections in a post-processor using column...
- Patent number 6,986,098
- Issue date Jan 10, 2006
- LSI Logic Corporation
- Alan D. Poeppelman
- G11 - INFORMATION STORAGE
Information Patent Grant
Selecting physical cylinders in a disc drive employing discs with p...
- Patent number 6,967,807
- Issue date Nov 22, 2005
- Seagate Technology LLC
- Chris Thomas Settje
- G11 - INFORMATION STORAGE
Information Patent Grant
Filter for disk drive bi-phase servo demodulation
- Patent number 6,927,932
- Issue date Aug 9, 2005
- LSI Logic Corporation
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Dynamic head switch timing recalibration apparatus and method
- Patent number 6,917,485
- Issue date Jul 12, 2005
- Seagate Technology LLC
- David Louis Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Programmable bit ordering for serial port
- Patent number 6,586,968
- Issue date Jul 1, 2003
- LSI Logic Corporation
- Steven A. Schauer
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Zero phase and frequency restart PLL
- Patent number 6,566,922
- Issue date May 20, 2003
- LSI Logic Corporation
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc system and method for controlling bias coil and light...
- Patent number 6,434,087
- Issue date Aug 13, 2002
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Analog to digital converter assembly for normalizing servo error si...
- Patent number 6,418,097
- Issue date Jul 9, 2002
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc system having current monitoring circuit with improved...
- Patent number 6,317,391
- Issue date Nov 13, 2001
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc system including current monitoring circuit assembly h...
- Patent number 6,278,665
- Issue date Aug 21, 2001
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Analog to digital converter and assembly for use in optical drive s...
- Patent number 6,266,306
- Issue date Jul 24, 2001
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc system having servo motor and servo error detection as...
- Patent number 6,243,336
- Issue date Jun 5, 2001
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc system having current monitoring circuit with controll...
- Patent number 6,236,625
- Issue date May 22, 2001
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical drive error tracking method and apparatus
- Patent number 6,233,210
- Issue date May 15, 2001
- LSI Logic Corporation
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Isolation apparatus for use in disc drive system to mitigate effect...
- Patent number 6,122,232
- Issue date Sep 19, 2000
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc system and method for changing the rotational rate of...
- Patent number 6,091,684
- Issue date Jul 18, 2000
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Focus capture for optical disc system including detection of quad s...
- Patent number 6,087,644
- Issue date Jul 11, 2000
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc system having improved circuitry for performing blank...
- Patent number 6,069,857
- Issue date May 30, 2000
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical drive system having servomotor operated relative to maximum...
- Patent number 6,058,081
- Issue date May 2, 2000
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc system including focus capture assembly with focus err...
- Patent number 6,034,364
- Issue date Mar 7, 2000
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus and method for suppression of electromagnetic emissions h...
- Patent number 5,920,539
- Issue date Jul 6, 1999
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Laser driver for controlling electrical current passed to a laser i...
- Patent number 5,878,015
- Issue date Mar 2, 1999
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Servo control system for information storage device
- Patent number 5,875,158
- Issue date Feb 23, 1999
- Discovision Associates
- David L Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Focusing method and system for focus capture and focus control in o...
- Patent number 5,828,054
- Issue date Oct 27, 1998
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for controlling an electrical current passed to a writing...
- Patent number 5,796,703
- Issue date Aug 18, 1998
- Discovision Associates
- David L. Schell
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Open loop Ka calibration with low frequency compensation
- Publication number 20080130162
- Publication date Jun 5, 2008
- Seagate Technology LLC
- Lingzhi Yang
- G11 - INFORMATION STORAGE
Information Patent Application
TRAJECTORY CONTROL PROFILE WITH NON-ZERO INITIAL VELOCITY
- Publication number 20070285833
- Publication date Dec 13, 2007
- Seagate Technology LLC
- DAVID LOUIS SCHELL
- G11 - INFORMATION STORAGE
Information Patent Application
Controller with fractional position algorithm
- Publication number 20070053098
- Publication date Mar 8, 2007
- Seagate Technology LLC
- David Louis Schell
- G11 - INFORMATION STORAGE
Information Patent Application
Selecting physical cylinders in a disc drive employing discs with p...
- Publication number 20050041321
- Publication date Feb 24, 2005
- Chris Thomas Settje
- G11 - INFORMATION STORAGE
Information Patent Application
Dynamic head switch timing recalibration apparatus and method
- Publication number 20040150904
- Publication date Aug 5, 2004
- David Louis Schell
- G11 - INFORMATION STORAGE
Information Patent Application
Monitoring a sensor's output using a target window that is based on...
- Publication number 20040021972
- Publication date Feb 5, 2004
- Christopher Thomas Settje
- G11 - INFORMATION STORAGE
Information Patent Application
Method of reducing miscorrections in a post-processor using column...
- Publication number 20030103586
- Publication date Jun 5, 2003
- Alan D. Poeppelman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

David Louis Schell

Person

Patents Grantslast 30 patents

Impedance mitigation of a microactuator conductive joint

Controller with fractional position algorithm

Open loop Ka calibration with low frequency compensation

Trajectory control profile with non-zero initial velocity

Monitoring a sensor's output using a target window that is based on...

Method of reducing miscorrections in a post-processor using column...

Selecting physical cylinders in a disc drive employing discs with p...

Filter for disk drive bi-phase servo demodulation

Dynamic head switch timing recalibration apparatus and method

Programmable bit ordering for serial port

Zero phase and frequency restart PLL

Optical disc system and method for controlling bias coil and light...

Analog to digital converter assembly for normalizing servo error si...

Optical disc system having current monitoring circuit with improved...

Optical disc system including current monitoring circuit assembly h...

Analog to digital converter and assembly for use in optical drive s...

Optical disc system having servo motor and servo error detection as...

Optical disc system having current monitoring circuit with controll...

Optical drive error tracking method and apparatus

Isolation apparatus for use in disc drive system to mitigate effect...

Optical disc system and method for changing the rotational rate of...

Focus capture for optical disc system including detection of quad s...

Optical disc system having improved circuitry for performing blank...

Optical drive system having servomotor operated relative to maximum...

Optical disc system including focus capture assembly with focus err...

Apparatus and method for suppression of electromagnetic emissions h...

Laser driver for controlling electrical current passed to a laser i...

Servo control system for information storage device

Focusing method and system for focus capture and focus control in o...

Apparatus for controlling an electrical current passed to a writing...

Patents Applicationslast 30 patents

Open loop Ka calibration with low frequency compensation

TRAJECTORY CONTROL PROFILE WITH NON-ZERO INITIAL VELOCITY

Controller with fractional position algorithm

Selecting physical cylinders in a disc drive employing discs with p...

Dynamic head switch timing recalibration apparatus and method

Monitoring a sensor's output using a target window that is based on...

Method of reducing miscorrections in a post-processor using column...