45 RPM Automatic play adaptor

Access and tracking device for an optical disc

Access control system for rotating an information storage disc a

Accurately tracking phonograph arm

Acoustic dampening assembly for record player turntable

Actuator for an objective lens of an optical pickup for...

Actuator for optical pick-up and method of rolling driving...

Actuator having a minimized payload in a optical recording syste

Adapter for a plug-in cartridge

Adaptive mounting system for data storage devices

Adjusting mechanism of the guide rod of optical pick-up in...

Air bearing straight line tracking phonograph tonearm

Air cushion-optical data read head

Air shroud for data storage disks

Anti-fluttering transmission apparatus for CD-RW drive head

Anti-vibration mechanism and disk drive device using the same

Aperture stop for a flying optical head

Apparatus and associated method for storing, retrieving, and man

Apparatus and method for a radial access mechanism for a disk pl

Apparatus and method for driving objective lens