Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Write and erase magnetic bias field switching system for a magneto-optic disk drive

Write and erase magnetic bias field switching system for a magneto-optic disk drive

US Patent 4977549 · Granted Dec 11, 1990

Estimated economic value: $20,273,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Tilt focus mechanism for an optical drive2008
Inflating aircraft flotation device2007
Optical disc drive compatible with memory card slot2006
Optical disc drive compatible with memory card slot2006
Cartridge for miniature optical data storage disc2006
Fringing field focus motor and mechanism for optical disk drive2005
Tilt focus method and mechanism for an optical drive2005
Magnetic hub assembly for data storage disk2004
Apparatus for preventing reverse polarity contact between a standard dry cell ba2004
Appliance and method for navigating among multiple captured images and functiona2004
Laser thermal management system2004
Continuous flexible connection for miniature optical head2004