Random selection control system for recording tape cartridges

Randomly ordered data block envelope tape format

Rapid drive device for tape transports

Rapid frame synchronization of video tape reproduce signals

Rate adaptive nonsynchronous demodulator apparatus for two...

Ratings switch for portable media players

Re-recording cassette tapes

Read channel for optical recorder

Read out apparatus for reading out information from...

Read signal processing circuit

Read-only optical disk

Read-only optical recording medium with zno near-field...

Read-write head thermal compensation system

Read-write optical disk

Read-write structure for program cards

Read/write apparatus for magnetic recorders

Read/write arrangement for optical media

Read/write chain

Read/write circuits for reliable digital recording

Read/write circuits for reliable digital recording