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Class Information
Number: 360/31
Name: Dynamic magnetic information storage or retrieval > Monitoring or testing the progress of recording
Description: Subject matter wherein, during recording, the recorded information signal is reproduced in whole or in part for qualitative analysis of the operation of the recorder system or a part thereof.

Patents under this class:

Patent Number Title Of Patent Date Issued
8711501 Customizing a range of acceptable tape dimensional stability write conditions Apr. 29, 2014
8711500 Disk drive to enable defect margining Apr. 29, 2014
8711499 Methods for measuring media performance associated with adjacent track interference Apr. 29, 2014
8705190 Method for determining whether defect on disk is recess or protrusion and magnetic disk drive Apr. 22, 2014
8693130 Magnetic disk device and control method thereof, and information processor Apr. 8, 2014
8693120 Systems and methods for sample averaging in data processing Apr. 8, 2014
8687473 Overwrite control for data in tape recording apparatus Apr. 1, 2014
8687312 Edge detection for disk drives Apr. 1, 2014
8687300 Communication path latency measurement using capacitive coupling Apr. 1, 2014
8682501 Data processing device, microcontroller, and self-diagnosis method of data processing device Mar. 25, 2014
8680855 Apparatus for measuring magnetic field of microwave-assisted head Mar. 25, 2014
8675297 Media defect classification Mar. 18, 2014
8665545 Shingled magnetic recording (SMR) disk drive with verification of written data Mar. 4, 2014
8665543 Inter-track interference cancelation for shingled magnetic recording Mar. 4, 2014
8665542 Tape buffer used to reduce tape backhitches during writing operations Mar. 4, 2014
8665541 Evaluation method of perpendicular magnetic recording medium and manufacturing method of perpendicular magnetic recording medium Mar. 4, 2014
8654469 Preamp circuit including a loopback mode for data storage devices Feb. 18, 2014
8654467 Disk drive increasing bandwidth of cutoff filter while reading servo sector preamble Feb. 18, 2014
8654466 Calculation of head media separation (HMS) from servo preamble in a hard disk drive Feb. 18, 2014
8654464 Implementing magnetic defect classification using phase modulation Feb. 18, 2014
8653824 Delta temperature test method and system Feb. 18, 2014
8649667 Recording/reproducing device Feb. 11, 2014
8649119 Measuring variations in head-disk clearance in a hard disk drive Feb. 11, 2014
8643968 Methods and systems for magnetic media servo writing Feb. 4, 2014
8643967 Magnetic disk drive and microwave assisted recording method Feb. 4, 2014
8643966 Inspection device or inspection method for magnetic head or magnetic disc, and magnetic disc recording device and magnetic disc recording method Feb. 4, 2014
8638980 Use of powders for creating images on objects, webs or sheets Jan. 28, 2014
8638512 Accumulator for non-return to zero (NRZ) linear feedback shift register (LFSR) in controller for disk drive Jan. 28, 2014
8631698 Test slot carriers Jan. 21, 2014
8630058 Drive apparatus, library apparatus, and control method thereof Jan. 14, 2014
8630057 In-situ contact potential measurement in hard-disk drives Jan. 14, 2014
8630055 Systems and methods for medium contact detection Jan. 14, 2014
8630053 Systems and methods for parameter modification during data processing retry Jan. 14, 2014
8625228 Method and system for compensating for track squeeze Jan. 7, 2014
8625215 Method and system for compensating for adjacent tracks during writing of data Jan. 7, 2014
8625214 Apparatus for digital RMS detection and peak detection in head-disk contact detection Jan. 7, 2014
8618793 High sensitivity glide sensor using frictional heating Dec. 31, 2013
8611032 Directional write retry for shingled disk drive application Dec. 17, 2013
8605832 Joint sequence estimation of symbol and phase with high tolerance of nonlinearity Dec. 10, 2013
8605381 Systems and methods for phase compensated harmonic sensing in fly height control Dec. 10, 2013
8605378 Inspection device and inspection method for inspecting magnetic disk or magnetic head Dec. 10, 2013
8599510 Disk drive adjusting data track density based on write condition when writing to contiguous data tracks Dec. 3, 2013
8599507 Distributed field self-test for shingled magnetic recording drives Dec. 3, 2013
8599506 Integrating control of slider bias potential, touch-down detection and fly-height determination in a HDD Dec. 3, 2013
8593748 Shingled magnetic recording disk drive with compensation for the effect of far track erasure (FTE) on adjacent data bands Nov. 26, 2013
8593747 Hybrid defect detection for recording channels Nov. 26, 2013
8582231 Disk drive determining head touchdown threshold based on curve fitting prediction error Nov. 12, 2013
8582224 System and method for off-track write prevention and data recovery in multiple head optical tape drives Nov. 12, 2013
8576505 Tape drive apparatus and method Nov. 5, 2013
8570679 Read channel averaging Oct. 29, 2013

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