Assignee
CERTANCE LLC
US32 patents
Top patents by PatentIndex Score
US6943979B2Sep 13, 2005
Method and apparatus for written-in tracking error composition for linear tape drives
CERTANCE LLC23 citations89
US7274528B2Sep 25, 2007
System and method for protecting head elements of a tape drive
CERTANCE LLC10 citations82
US7227724B2Jun 5, 2007
Head actuator assembly for a tape drive
CERTANCE LLC15 citations82
US7222289B2May 22, 2007
Channel processor using reduced complexity LDPC decoder
CERTANCE LLC32 citations80
US7133262B1Nov 7, 2006
Tape drive apparatus with a head alignment system
CERTANCE LLC9 citations74
US7145272B2Dec 5, 2006
Motor/encoder assembly for tape drives
CERTANCE LLC5 citations73
US7502196B2Mar 10, 2009
Head actuator design for a low profile tape drive
CERTANCE LLC6 citations72
US7379259B2May 27, 2008
Head actuator design for a low profile tape drive
CERTANCE LLC7 citations72
US7038874B1May 2, 2006
Tamper resistant write once recording of a data storage cartridge having rewritable media
CERTANCE LLC10 citations71
US7440235B2Oct 21, 2008
Tape drive apparatus with a head alignment system
CERTANCE LLC2 citations63
US7126786B1Oct 24, 2006
Motor/encoder assembly for tape drives
CERTANCE LLC3 citations62
US7729070B2Jun 1, 2010
Method and apparatus for interpolating peak detection of servo stripe pulses
CERTANCE LLC4 citations61
US7420781B2Sep 2, 2008
Head actuator assembly for a tape drive
CERTANCE LLC3 citations61
US7134624B2Nov 14, 2006
Locking dual hub tape reel for tape drives
CERTANCE LLC4 citations61
US7066420B2Jun 27, 2006
Tape drive apparatus having an arrangement for capturing and retaining a leader pin from a tape cartridge
CERTANCE LLC3 citations61
US7394651B2Jul 1, 2008
Computer peripheral device mounting arrangement with two locking elements
CERTANCE LLC4 citations60
US7342745B2Mar 11, 2008
Cartridge carrier
CERTANCE LLC2 citations59
US7230788B2Jun 12, 2007
System and method for tape drive control
CERTANCE LLC5 citations59
US7382561B1Jun 3, 2008
Measuring and correcting asymmetry in magnetic recording devices
CERTANCE LLC8 citations58
US7536701B2May 19, 2009
Lockable ejection system and method
CERTANCE LLC2 citations56
US7292410B2Nov 6, 2007
Tape drive head cleaner
CERTANCE LLC3 citations54
US7203027B2Apr 10, 2007
System and method for measuring the position of a tape drive head
CERTANCE LLC2 citations52
US7180708B1Feb 20, 2007
Stationary tape guide with spring arrangement and ceramic guide portion mating with plastic mounting portion
CERTANCE LLC1 citations52
US7190544B2Mar 13, 2007
System and method for tape drive under run control
CERTANCE LLC0 citations49
US7511916B2Mar 31, 2009
Cartridge carrier
CERTANCE LLC0 citations48
US7455254B1Nov 25, 2008
Method and apparatus of maintaining tension in a tape
CERTANCE LLC0 citations47
US7518831B2Apr 14, 2009
Low impedance flexible circuit for tape head
CERTANCE LLC5 citations46
US7035033B2Apr 25, 2006
Method and apparatus for reinitializing a tape drive after a power loss
CERTANCE LLC0 citations46
US6804077B1Oct 12, 2004
Method and apparatus for reinitializing a tape drive after a power loss
CERTANCE LLC0 citations46
US7154695B2Dec 26, 2006
System and method for controlling the speed of a tape drive
CERTANCE LLC0 citations45
US7097125B2Aug 29, 2006
Tape drive with automatic adaptation for different size tape cassettes
CERTANCE LLC1 citations33
US7038417B1May 2, 2006
Current control loop bias calibration by integration
CERTANCE LLC0 citations25