Flying spot pattern storage system
Frequency selective optical data storage system
Frequency selective optical data storage system
Gas discharge display device
Grooved optical data storage device including a chalcogenide mem
High speed optical memory circuit
Homogeneous compositions of microcrystalline semiconductor mater
IC card system using photo-detectors for protection
Image storage and optical read-out device having striped electro
Information holding device
Information holding device
Information holding device
Information holding device
Information recording medium rewritable by utilizing two metasta
Information recording medium, reading apparatus for said medium
Information storage apparatus storing and reading...
Information storage system using a photon echo medium
Initialization method of P-type silicon nitride read only...
Liquid crystal disc memory system
Liquid crystal electrooptic memory device