Inventor
CHILDERS EDWIN R
US32 patents
⚠️ This page may combine multiple inventors who share the name “CHILDERS EDWIN R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
31 patentsUS5499233AMar 12, 1996
Optical disk carrier with write-protect mechanism
IBM74 citations96
US9653114B1May 16, 2017
Detecting media defects
IBM23 citations94
US9373346B1Jun 21, 2016
Adjustable spacing formatter head
IBM16 citations92
US5610902AMar 11, 1997
Adapter cartridge and caddy combination for hubless optical disk
IBM38 citations92
US5331627AJul 19, 1994
Cartridge adaptor
IBM46 citations92
US7724466B2May 25, 2010
Method and system for servo stripe width detection and compensation
IBM23 citations90
US5579297ANov 26, 1996
Optical data storage cartridge having a dual shutter configuration and shutter hinge device
IBM26 citations88
US10580452B2Mar 3, 2020
Detecting media defects
IBM4 citations84
US10102877B2Oct 16, 2018
Detecting media defects
IBM6 citations84
US9934804B1Apr 3, 2018
Segmented magnetic recording write head for detection-based servo pattern writing
IBM5 citations84
US9852747B1Dec 26, 2017
Segmented magnetic recording write head for writing timing-based servo patterns
IBM10 citations84
US9472221B1Oct 18, 2016
Adjustable spacing formatter head
IBM14 citations84
US5268808ADec 7, 1993
Disk cartridges made from unitary blanks
IBM16 citations74
US11011204B2May 18, 2021
Detecting media defects
IBM2 citations73
US10901825B2Jan 26, 2021
Implementing a storage drive utilizing a streaming mode
IBM6 citations73
US10884653B2Jan 5, 2021
Implementing a mapping between data at a storage drive and data blocks at a host
IBM2 citations73
US10262682B2Apr 16, 2019
Segmented magnetic recording write head for writing timing-based servo patterns
IBM1 citations73
US10236024B2Mar 19, 2019
Segmented magnetic recording write head for detection-based servo pattern writing
IBM2 citations73
US10176830B2Jan 8, 2019
Segmented magnetic recording write head for writing timing-based servo patterns
IBM3 citations73
US10020014B2Jul 10, 2018
Segmented magnetic recording write head for detection-based servo pattern writing
IBM4 citations73
US8896948B2Nov 25, 2014
Customizing a range of acceptable tape dimensional stability write conditions
IBM4 citations73
US5097361AMar 17, 1992
Controlling position of a rotatable transducer in devices employing such transducers
IBM7 citations72
US5563871AOct 8, 1996
Rotary actuator with a magnetic bias bearing configuration for rotating an optical element in an optical data storage system
IBM12 citations70
US5235574AAug 10, 1993
Optical disk drive relative position sensor
IBM15 citations69
US10990298B2Apr 27, 2021
Implementing data requests with quality of service information
IBM1 citations63
US5218585AJun 8, 1993
Phase shifting feedback control in an optical disk drive
IBM6 citations59
US10777221B2Sep 15, 2020
Segmented magnetic recording write head for writing timing-based servo patterns
IBM0 citations52
US5046819ASep 10, 1991
Objective lens support having rotary and axial motions for use in an optical disk apparatus
IBM1 citations52
US6802469B2Oct 12, 2004
Tape cartridge comprising a reel lock mechanism
IBM1 citations51
US5289319AFeb 22, 1994
Apparatus and method for detecting physical orientation of a position system and for calibrating an optimum control for the system that is usable in optical disk recorders
IBM1 citations46
US6906873B2Jun 14, 2005
Apparatus and method to monitor leader pin position
IBM0 citations41