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Class Information
Number: 369/53.42
Name: Dynamic information storage or retrieval > Condition indicating, monitoring, or testing > Having abnormality condition indicating
Description: Subject matter including means for indicating a system operation condition whereby storage or retrieval is inhibited.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7583577 |
System and method for measuring vibration characteristics of optical disk drive |
Sep. 1, 2009 |
| 7426163 |
Method and apparatus for preventing malfunction of disc drive |
Sep. 16, 2008 |
| 7349313 |
Clamper magnetism test method for a tray-type optical drive |
Mar. 25, 2008 |
| 7177243 |
Optical disc track access apparatus and method for optical disc reproducer |
Feb. 13, 2007 |
| 7075875 |
Disk evaluation device |
Jul. 11, 2006 |
| 7057992 |
Exposure apparatus for optical disc |
Jun. 6, 2006 |
| 7046603 |
Information storage apparatus |
May. 16, 2006 |
| 7031244 |
Information recording/reproducing apparatus |
Apr. 18, 2006 |
| 7006418 |
Optical disk device that monitors chip temperature of a drive and controls its operation based on the chip temperature |
Feb. 28, 2006 |
| 6996045 |
Optical disk controller which sets sampling interval according to rotational speed of optical disk |
Feb. 7, 2006 |
| 6977477 |
Systems, apparatus, and methods for motor control |
Dec. 20, 2005 |
| 6977875 |
Tracking system for recording/reading a data medium and recording medium |
Dec. 20, 2005 |
| 6934231 |
Information recording medium, information reproduction apparatus, and information recording apparatus |
Aug. 23, 2005 |
| 6906989 |
Apparatus and method for searching for defective address of recording medium |
Jun. 14, 2005 |
| 6854022 |
Disk drive using rotational position optimization algorithm to facilitate write verify operations |
Feb. 8, 2005 |
| 6845405 |
Disk drive executing part of a linked disk command |
Jan. 18, 2005 |
| 6754153 |
Exposure apparatus for optical disc |
Jun. 22, 2004 |
| 6711628 |
Disk drive aborting a write command before a last target sector reached if an abnormal condition detected and selecting a second command according to a rotational positioning optimization algo |
Mar. 23, 2004 |
| 6697310 |
Storage apparatus and calibrating method |
Feb. 24, 2004 |
| 6687064 |
Write head fault detection circuit and method |
Feb. 3, 2004 |
| 6639883 |
Apparatus and method utilized in personal computer for control of disk drive rate to reduce its noise and vibration |
Oct. 28, 2003 |
| 6510014 |
Disturbance detection circuit, memory device thereof, and disturbance detection method |
Jan. 21, 2003 |
| 6496461 |
Information recording/reproducing apparatus |
Dec. 17, 2002 |
| 6487034 |
Write head fault detection with small threshold |
Nov. 26, 2002 |
| 6445658 |
Disk reproducing speed control method and a disk reproducing apparatus using this method |
Sep. 3, 2002 |
| 6414932 |
Information recording/reproducing apparatus with laser driver |
Jul. 2, 2002 |
| 6351440 |
Disk reproducing speed control method and a disk reproducing apparatus using this method |
Feb. 26, 2002 |
| 6310845 |
Optical disk device |
Oct. 30, 2001 |
| 6236630 |
Method and apparatus for checking the quality of CD-ROMS or the like for reading them at matching speeds |
May. 22, 2001 |
| 6034831 |
Dynamic reverse reassign apparatus and method for a data recording disk drive |
Mar. 7, 2000 |
| 5982570 |
Information storing device and method for controlling same to record/reproduce information by selecting one of working modes |
Nov. 9, 1999 |
| 5798883 |
Method for servo defect management of a magnetic disk in hard disk drive |
Aug. 25, 1998 |
| 5793727 |
Array disk system and method of writing and reading data in array disk system |
Aug. 11, 1998 |
| 5682273 |
Disk drive for portable computer with adaptive demand-driven power management |
Oct. 28, 1997 |
| 5673269 |
Method and apparatus for detecting valid data peaks |
Sep. 30, 1997 |
| 5637999 |
Opamp based broad band phase shifter for use in detecting flaws in the media of disks for use in disk drives |
Jun. 10, 1997 |
| 5636193 |
Method and apparatus for reducing vibration on a disk spindle motor by detecting the vibrations and correcting the motor driving signal according to the detected vibration |
Jun. 3, 1997 |
| 5566077 |
Media and optical drive operating temperature control system and method |
Oct. 15, 1996 |
| 5548784 |
Automatic disk change detection without causing head movement by step pulses |
Aug. 20, 1996 |
| 5544138 |
Adaptive system for optimizing disk drive power consumption |
Aug. 6, 1996 |
| 5504571 |
Run-out velocity acceleration tester with direct velocity measurement |
Apr. 2, 1996 |
| 5446879 |
Disc changing apparatus with error logging |
Aug. 29, 1995 |
| 5424638 |
Sampled data flaw detection for magnetic media |
Jun. 13, 1995 |
| 5331616 |
Information recording and reproducing apparatus with self-diagnosis information storage mechanism |
Jul. 19, 1994 |
| 5280395 |
Hard disc track defect detecting apparatus |
Jan. 18, 1994 |
| 5262905 |
Monitor apparatus for rotary head |
Nov. 16, 1993 |
| 5256965 |
Quality inspecting method and apparatus for detecting defects in magnetic disks by dividing a plurality of concentric tracks into numbered sectors |
Oct. 26, 1993 |
| 5257255 |
Recording and/or reproducing apparatus with sensor for detecting head speed or acceleration |
Oct. 26, 1993 |
| 5247254 |
Data recording system incorporating flaw detection circuitry |
Sep. 21, 1993 |
| 5088081 |
Method and apparatus for improved disk access |
Feb. 11, 1992 |
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