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Stephen Howard Perlmutter

from Louisville, CO
Age ~63
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Also known as:
Stephen H Perlmutter, Stephen H Perimutter, Sharon Smith Kucewicz, Sharon S Kucewicz, Sharon A Smith, Stephen R, Sharon Z, Sharon Kucewiez
Related to:
Gary Lynn Smith, 73Corrina P Smith, 59Marilyn HalseyEmma Doulette, 67Moyett Smith, 72
Connected to:
Carole L Perlmutter, 77Dave PerlmutterLannes M Perlmutter, 36Mara R Perlmutter, 66Marni E Perlmutter, 34Mary J Perlmutter, 74Reisha L Perlmutter, 33Vivian Perlmutter, 73Benjamin C Perlo, 44Jay O Perloff, 65

Stephen Perlmutter Phones & Addresses

  • Louisville, CO
  • Longmont, CO
  • 430 Whitetail Cir, Lafayette, CO 80026 (303) 604-0501 (303) 604-0901
  • Boulder, CO
  • San Antonio, TX
  • Louisville, CO

Public records

Vehicle Records

Stephen Perlmutter

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Address:
18026 Resort Vw, San Antonio, TX 78255
Phone:
(260) 344-3583
VIN:
5UXFE43568L024600
Make:
BMW
Model:
X5
Year:
2008

Resumes

Resumes

Stephen Perlmutter Photo 1

Principal Engineer

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Location:
540 Jefferson Ave, Louisville, CO
Industry:
Computer Hardware
Work:
Seagate Technology
Principal Engineer
Smart Storage Systems Mar 2012 - Sep 2013
Principal Firmware Engineer
Seagate Technology Jun 2006 - Mar 2012
Firmware Principal Engineer
Maxtor Jul 2000 - Jun 2006
Principal Firmware Engineer
Displaytech 1995 - 2000
Senior Research Engineer
Education:
University of Colorado Boulder 1990 - 1995
Doctorates, Doctor of Philosophy, Computer Engineering Stanford University 1985 - 1988
Master of Science, Masters, Applied Physics Stanford University 1983 - 1985
Master of Science, Masters Princeton University 1979 - 1983
Bachelor of Science In Engineering, Bachelors, Bachelor of Science, Engineering, Physics, Aerospace Engineering
Skills:
Firmware
Debugging
Hard Drives
Ssd
Embedded Systems
Sata
Logic Analyzer
Failure Analysis
Arm
Embedded Software
Storage
Stephen Perlmutter Photo 2

Stephen Perlmutter

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Stephen Perlmutter Photo 3

Financial Services Product Development And Management Professional

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Stephen Perlmutter Photo 4

Medical Director Of Radiology At Peconic Bay Medical Center At Stony Brook University

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Stephen Perlmutter Photo 5

Managing Attorney At Roose & Ressler, Lpa

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Stephen Perlmutter Photo 6

Hospital & Health Care Professional

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Stephen Perlmutter Photo 7

Managing Attorney At Roose And Ressler

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Publications

Us Patents

Method To Correct Radial Misposition Of Data Tracks Using Stitched Correction Fields

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US Patent:
7315431, Jan 1, 2008
Filed:
Nov 15, 2005
Appl. No.:
11/274809
Inventors:
Stephen Perlmutter - Lafayette CO, US
Thomas Melrose - Longmont CO, US
James Hargarten - Lafayette CO, US
Don Brunnett - Pleasanton CA, US
Lloyd Levy - San Jose CA, US
Adrián Cerdá - San Jose CA, US
Assignee:
Maxtor Corporation - Scotts Valley CA
International Classification:
G11B 5/596
US Classification:
360 7704
Abstract:
A disk drive measures the radial misposition of tracks and repositions the tracks at regularly spaced intervals. Written in runout (WRO) in servo bursts is determined to calculate track spacing and squeeze among adjacent tracks. Tracks with improper spacing are repositioned by adding a squeeze correction term to the servo wedges. Thereafter, when the disk drive operates to store data, the servo bursts are used to calculate a position error signal (PES), and the squeeze correction term is combined with the PES to position the head at a proper track radius.

Methods And Disk Drive That Measure Head Flying Height At Power-On/Off

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US Patent:
7342736, Mar 11, 2008
Filed:
Jun 28, 2006
Appl. No.:
11/477033
Inventors:
Robert Turner - Thornton CO, US
Richard Martin - Longmont CO, US
Christine Green - Longmont CO, US
Stephen Perlmutter - Lafayette CO, US
Devon Dallmann - Broomfield CO, US
Assignee:
Maxtor Corporation - Longmont CO
International Classification:
G11B 21/02
G11B 27/36
G11B 19/02
US Classification:
360 75, 360 31, 360 69
Abstract:
In some embodiments of the present invention, a disk drive includes a rotatable data storage disk, a head, and a controller. The head is configured to fly on an air cushion relative to a data recording surface of the rotating disk while writing data to the data recording surface responsive to a write command from a host device or while reading data from the data recording surface to generate a read signal responsive to a read command from the host device. The controller is configured to measure flying height of the head relative to the data recording surface of the disk in response to sensing power-up of the disk drive and/or a shut-down command from the host device. The controller may measure the flying height in response to sensing power-up of the disk drive and, subsequent to measuring the flying height, may generate a ready signal to the host computer that indicates that the disk drive has powered-up and is ready to receive read/write commands from the host computer.

Chevron-Free Flc Device

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US Patent:
7379144, May 27, 2008
Filed:
Jun 9, 2000
Appl. No.:
09/591437
Inventors:
Jiuzhi Xue - Broomfield CO, US
Beth L. Ellis - Boulder CO, US
Stephen H. Perlmutter - Lafayette CO, US
Charles Crandall - Tucson AZ, US
Assignee:
Displaytech, Inc. - Longmont CO
International Classification:
G02F 1/141
US Classification:
349134, 349133, 349123, 349172
Abstract:
An optical device includes a ferroelectric liquid crystal material. This optical device has a first and a second substrate. A first alignment treatment is applied to a surface of the first substrate, the first alignment treatment being intended to induce an orientation of at least a portion of the ferroelectric liquid crystal material along a first alignment direction with a first pretilt angle αwith respect to a plane parallel to the first substrate. A second alignment treatment is applied to a surface of the second substrate, the second alignment treatment being intended to induce an orientation of at least another portion of the ferroelectric liquid crystal material along a second alignment direction with a second pretilt angle αwith respect to a plane parallel to the second substrate. The optical device further includes an arrangement for securing the first substrate with respect to the second substrate in such a way that the surfaces of the first and second substrates onto which the first and second alignment treatments were applied, respectively, are spaced apart, generally parallel and facing each other. In addition, a projection of the first alignment direction onto the treated surface of the first substrate makes a non-zero angle Ω with respect to a projection of the second alignment direction onto the treated surface of the first substrate such that, the ferroelectric liquid crystal material being injected between the first and second substrates, the optical device is free of chevron structures without a need to otherwise apply an additional treatment to the optical device.

Method To Correct Radial Misposition Of Data Tracks

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US Patent:
6965491, Nov 15, 2005
Filed:
Jun 18, 2002
Appl. No.:
10/174484
Inventors:
Stephen Perlmutter - Lafayette CO, US
Thomas Melrose - Longmont CO, US
James Hargarten - Lafayette CO, US
Don Brunnett - Pleasanton CA, US
Lloyd Levy - San Jose CA, US
Adrián Cerdá - San Jose CA, US
Assignee:
Maxtor Corporation - Longmont CO
International Classification:
G11B005/596
US Classification:
360 7704
Abstract:
A disk drive measures the radial misposition of tracks and repositions the tracks at regularly spaced intervals. Written in runout (WRO) in servo bursts is determined to calculate track spacing and squeeze among adjacent tracks. Tracks with improper spacing are repositioned by adding a squeeze correction term to the servo wedges. Thereafter, when the disk drive operates to store data, the servo bursts are used to calculate a position error signal (PES), and the squeeze correction term is combined with the PES to position the head at a proper track radius.

Collection Of Uncorrelated Entropy During A Power Down Sequence

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US Patent:
20200004971, Jan 2, 2020
Filed:
Jun 28, 2018
Appl. No.:
16/021823
Inventors:
- Cupertino CA, US
Steven S. Williams - Longmont CO, US
David W. Claude - Loveland CO, US
Benjamin J. Scott - Longmont CO, US
Kyumsung Lee - Louisville CO, US
Stephen H. Perlmutter - Louisville CO, US
International Classification:
G06F 21/60
H04L 9/08
G06F 1/28
G06F 11/10
G06F 3/06
Abstract:
Apparatus and method for managing entropy in a cryptographic processing system, such as but not limited to a solid-state drive (SSD). In some embodiments, a processing device is operated to transfer data between a host device and a non-volatile memory (NVM). In response to the detection of a power down event associated with the processing device, entropy associated with the power down event is collected and stored in a memory. Upon a subsequent reinitialization of the processing device, the entropy is conditioned and used as an input to a cryptographic function to subsequently transfer data between the host device and the NVM. In some embodiments, the entropy is obtained from the state of a hardware timer that provides a monotonically increasing count for timing control. In other embodiments, the entropy is obtained from a RAID buffer used to store data to a die set of the NVM.

Probation Bit For Data Storage Memory

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US Patent:
20190378589, Dec 12, 2019
Filed:
Jan 31, 2019
Appl. No.:
16/263640
Inventors:
- Cupertino CA, US
Stephen H. Perlmutter - Louisville CO, US
International Classification:
G11C 29/52
G06F 11/10
G11C 16/06
Abstract:
A data storage system can receive a data write request to write data to a physical address of a non-volatile semiconductor memory prior to detecting an error while storing the write data to the physical address. The detected error is corrected with a monitor module connected to the non-volatile semiconductor memory and a counter associated with the physical address is incremented with the monitor module in response to the corrected error. The write data can be subsequently read to a host in response to a data read request.
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Stephen Howard Perlmutter from Louisville, CO, age ~63 Get Report