Photon to digital converter using photon flux integration

Photorefractive holographic recording media

Photsensitive material for optical digital recording and...

Piezoelectric interrogation of ferroelectric condensers

Piggyback code switch device

Planar core memory stack

Plated wire memory plane

Playback apparatus for electrostatically recorded signals

Plug-in type program storage

Plural channel error correcting methods and means using...

Plural dielectric layered electrically alterable...

Polarity phasing of strap line for higher bit packing...

Polarization and optical switching of quadristable...

Polycrystalline silicon schottky diode array

Polymorphic memory apparatus and method

Portable computer

Portable flash memory with extended memory capacity

Portable memory device

Portable memory module

Position feedback for volume holographic storage media