One transistor-one capacitor memory cell

One-part case for digital records' carriers with possibility...

One-piece magnet return path assembly for a disk drive actuator

One-piece tape reel

One-sided, single platter hard disk with center parking...

One-way clutch assembly

Open collector bit driver/sense amplifier

Opening lever for magnetic tape cartridge door

Operating circuitry for semiconductor charge coupled devices

Operating mode change-over apparatus in tape recording...

Operation changing mechanism for loading a tape cassette...

Operation frequency adjusting system and method

Opposed field magnetoresistive memory sensing

Optic storage medium

Optical apparatus for writing and/or reading recording...

Optical article having a thermally responsive material as an...

Optical article having anti-theft feature and a system and...

Optical article having anti-theft feature and a system and...

Optical card

Optical card