"1 swipe" magnetic stripe card reader cleaner

"compact disc" drive apparatus specifically designed for...

"delta" magnetic head-slider

"x-y" web translation apparatus

1,7,2,3, encoding/decoding employing 3/2 frequency division

A box for storing a storage medium

A case for holding a disc-shaped article

A case for storing a compact disc

A cassette having a recording medium for use with a...

A cd-rom software protection system

A cleaning device and cleaning method

A cleaning device for a disc

A cleaning device for cleaning components of a video unit

A compact disk in bank card or business card format

A copy protected dvd disc and method for producing and...

A copy-protected optical information carrier

A copy-protected optical information carrier and methods for...

A data storage device and method

A device for retaining articles

A device for rotating disc-shaped objects