Apparatus for producing digital information from a transmission

Apparatus for reading an information pattern from a record carri

Apparatus for recording a wobbling, spiral guide groove on an op

Apparatus for recording and reproducing data on a disk

Apparatus for recording data on optical disk

Apparatus for reproducing an encoded digital signal based on a f

Apparatus for reproducing an optical recording medium having fir

Apparatus for reproducing data signal

Apparatus for reproducing information from optical disk on which

Apparatus for reproducing information recorded on a recording me

Apparatus for reproducing recorded information

Apparatus for reproducing short length data stored on an optical

Asynchronous sampling digital detector system for magnetic and o

Automatic gain control system and information reproduction appar

Bit shift post-compensation using sampled data prequalifier

Charge pump for restoring DC in an optical recording read channe

Circuit for writing and reproducing a modulation signal onto wri

Clock combining circuit

Clock controller employing a discrete time control loop method f

Clock generator circuit and a synchronizing signal detection met