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Class Information
Number: 360/39
Name: Dynamic magnetic information storage or retrieval > General processing of a digital signal
Description: Subject matter of specific utility in treating a digital signal for recording or reproducing.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7602567 |
Feed-forward DC restoration in a perpendicular magnetic read channel |
Oct. 13, 2009 |
| 7586704 |
Method and apparatus for improving threshold detection of servo data in the presence of signal asymmetry |
Sep. 8, 2009 |
| 7586705 |
Magnetic recording/reproducing apparatus and magnetic recording/reproducing method |
Sep. 8, 2009 |
| 7586706 |
Method for checking the quality of servo gray codes |
Sep. 8, 2009 |
| 7583456 |
Method and apparatus to limit DC-level in coded data |
Sep. 1, 2009 |
| 7583458 |
Channel optimization metrics |
Sep. 1, 2009 |
| 7583469 |
Up-sampled filtering for servo demodulation |
Sep. 1, 2009 |
| 7580216 |
Disk servo pattern writing |
Aug. 25, 2009 |
| 7573665 |
Magnetic tape read channel signal values developed employing intermediate bits of the path memory of a PRML Viterbi detector |
Aug. 11, 2009 |
| 7564931 |
Robust maximum-likelihood based timing recovery |
Jul. 21, 2009 |
| 7558012 |
Read/write channel embedded on-chip optimization |
Jul. 7, 2009 |
| 7554757 |
Magnetic storage write heads using micro-electro mechanical shutters |
Jun. 30, 2009 |
| 7525746 |
DC-offset compensation loops for magnetic recording system |
Apr. 28, 2009 |
| 7522361 |
Method for detecting signal used when reading information from storage device |
Apr. 21, 2009 |
| 7522367 |
Asynchronous read channel shaped toward generalized partial response characteristics |
Apr. 21, 2009 |
| 7499233 |
Multi-phase control information detection and signal polarity determination |
Mar. 3, 2009 |
| 7489461 |
Disk drive, medium and method of compensating for a write parameter |
Feb. 10, 2009 |
| 7489460 |
Magnetic data read circuit and card processing unit |
Feb. 10, 2009 |
| 7463820 |
Data reproducing apparatus and data reproducing method |
Dec. 9, 2008 |
| 7460323 |
Methods and systems for automatically characterizing non-linearities of a read-back signal of a recording system |
Dec. 2, 2008 |
| 7443623 |
Peak detection for magnetic tape timing based servo |
Oct. 28, 2008 |
| 7440208 |
Flexible partial response targets for data detectors |
Oct. 21, 2008 |
| 7440675 |
AV information reproducing system and a reproducing method applied to the same system |
Oct. 21, 2008 |
| 7440209 |
Communications channel with programmable coupling |
Oct. 21, 2008 |
| 7433141 |
Data randomization for rewriting in recording/reproduction apparatus |
Oct. 7, 2008 |
| 7430084 |
Magnetic tape read channel signal values developed employing intermediate bits of the path memory of a PRML viterbi detector |
Sep. 30, 2008 |
| 7423827 |
Systems and methods for accessing data from a variable polarity head assembly |
Sep. 9, 2008 |
| 7423826 |
Readback system providing a combined sample output including multiple samples per bit |
Sep. 9, 2008 |
| 7408729 |
Enhanced data storage and retrieval devices and systems and methods for utilizing same |
Aug. 5, 2008 |
| 7403350 |
Multiple servo sensor configuration for magnetic tape timing based servo |
Jul. 22, 2008 |
| 7388724 |
Pulse-slimming for a tape servo system using non-linear gain |
Jun. 17, 2008 |
| 7369342 |
Peak detection for magnetic tape timing based servo |
May. 6, 2008 |
| 7365926 |
Signal processing method of magnetic recording medium and magnetic record reproduction apparatus |
Apr. 29, 2008 |
| 7362959 |
Method of and device for encoding an information stream |
Apr. 22, 2008 |
| 7359135 |
Dynamically adapting a magnetic tape read channel equalizer |
Apr. 15, 2008 |
| 7345839 |
Signal processing in a disc drive |
Mar. 18, 2008 |
| 7333289 |
Magnetic recording and reproducing apparatus, method of controlling the same, magnetic recording medium, and stamper for manufacturing magnetic recording medium |
Feb. 19, 2008 |
| 7330320 |
Method and apparatus to limit DC-level in coded data |
Feb. 12, 2008 |
| 7319567 |
Servo sector in magnetic disk drive |
Jan. 15, 2008 |
| 7317586 |
Methods and structure for general purpose interval accumulating filter for measuring operational parameters of a digital read channel |
Jan. 8, 2008 |
| 7315427 |
Method for checking the quality of servo Gray codes |
Jan. 1, 2008 |
| 7307807 |
Disk servo pattern writing |
Dec. 11, 2007 |
| 7307808 |
Magnetic recording and reproducing apparatus and control method thereof, magnetic recording medium, and stamper for manufacturing of magnetic recording medium |
Dec. 11, 2007 |
| 7286313 |
Correcting radial incoherence in servo track sensing |
Oct. 23, 2007 |
| 7286312 |
DC-offset compensation loops for magnetic recording system |
Oct. 23, 2007 |
| 7271971 |
Dynamically adapting a magnetic tape read channel equalizer |
Sep. 18, 2007 |
| 7262928 |
Dc-offset compensation loops for magnetic recording system |
Aug. 28, 2007 |
| RE39771 |
Code conversion method and apparatus, code recording medium, code recording apparatus and code reproducing apparatus |
Aug. 14, 2007 |
| 7253979 |
Method and device for data read/write, recording medium, and program product |
Aug. 7, 2007 |
| 7248425 |
Disk writing/reproducing apparatus and method |
Jul. 24, 2007 |
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