Protuberant optical recording medium
Providing glass plate master disk with metal layers and...
Pseudo-dual port memory having a clock for each port
Pseudo-dual port memory where ratio of first to second...
Pseudo-hierarchy memory system
Pseudo-reflective read inhibitor for optical storage media
Pseudo-static memory subsystem
Psk modulation in ac bias data recording
Public address apparatus
Pulse crowding compensation for magnetic recording
Pulse discrimination system
Punch machine for machine actuator cards
Punched card to magnetic tape converter
Push button assembly
Push rod type tape recorder operating device
Push-threading tape in a helical path
Push-threading tape in a helical path