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Your search returned 715 patents.
( 360/60 in Current US Classification ) |
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| Patent ID | Title | Date Filed |
| 6968122 | Recorder and transmitter
| April 16, 2001 |
| 6967797 | Write driver circuit for driving a magnetic head
| March 19, 2003 |
| 6963691 | Reproducing apparatus
| December 11, 2000 |
| 6958874 | Manufacture of data storage device
| July 11, 2002 |
| 6957350 | Encrypted and watermarked temporal and resolution layering in advanced television
| April 3, 2000 |
| 6947237 | WORM magnetic tape with cartridge memory system and method
| October 9, 2001 |
| 6940679 | Method and apparatus for increasing track density by adapting write fault gate to position error signal as it varies from ID to OD
| November 7, 2001 |
| 6927933 | Apparatus configured for applying write signals for driving a write head and method for configuring
| April 2, 2003 |
| 6904495 | Method for identifying the write protect status of a diskette
| January 10, 2002 |
| 6904153 | Anti-copying system for audio signals
| June 30, 1998 |
| 6898047 | Magnetic disk drive for compensating repeatable runout error
| August 14, 2001 |
| 6898039 | Positioning control device for two-stage actuator
| June 23, 2003 |
| 6898038 | Method and apparatus for disc drive data security using fields in servo wedges
| March 15, 2001 |
| 6882490 | System for protection against copying on magnetic tape recorders
| December 18, 2001 |
| 6882489 | Dynamic off-track detector
| August 15, 2000 |
| 6879772 | Audio and video signal recording apparatus and method having a function of informing user when the signal is protected from recording
| May 19, 2000 |
| 6879460 | Magnetic recording disk drive
| October 9, 2003 |
| 6879454 | Write-once read-many hard disk drive
| July 11, 2003 |
| 6873787 | Receiving apparatus, receiving method, and supplying medium
| March 21, 2000 |
| 6873485 | Recording medium and apparatus for protecting copyrighted digital data
| March 20, 2003 |
| 6865337 | System and method for detecting modifications of video signals designed to prevent copying by traditional video tape recorders
| August 8, 2000 |
| 6865045 | Method and system for writing data on a magnetic tape
| November 18, 2002 |
| 6839503 | Transfer apparatus and recording control system using a transfer control method selected based on a transfer rate of data
| December 23, 1999 |
| 6807024 | Reproducing apparatus and reproducing method
| March 23, 2000 |
| 6804638 | Device and method for selective recall and preservation of events prior to decision to record the events
| June 20, 2001 |
| 6804075 | Logical expiration of media having embedded non-volatile memory
| March 1, 2002 |
| 6795262 | Method of modifying on-track declaration algorithm of a disk drive based upon detection of external vibration condition
| June 28, 2002 |
| 6782190 | Copy protection apparatus and method
| September 2, 1999 |
| 6781780 | Method and system for preventing data loss from an off-track write condition in a disk drive by rewriting data buffered from an adjacent track
| June 21, 2001 |
| 6779080 | Serial data storage system with automatically adjusted data protection to implement worm media with limited overwrite allowing write appending
| October 15, 2001 |
| 6778344 | Recording medium and apparatus for protecting copyrighted digital data
| March 20, 2003 |
| 6771446 | Method and apparatus for disc drive data security using a servo wedge
| February 28, 2001 |
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