Parallel coded spread spectrum communication for data storage

Partial beam focus sensing in an optical recording system

Performance information recording/reproducing apparatus having c

Periodical signal detection circuit within a variable window len

Periodical signal detection circuit within a variable window len

Phase change optical recording device and method employing a las

Phase compensation apparatus for an optical information recordin

Phase correction circuit for a disk reproduction device

Phase difference correction apparatus and data reproduction...

Phase difference detection apparatus, phase difference...

Phase difference detection circuit, phase difference...

Phase discontinuity compensation in a bit-accurate optical...

Phase locked loop for controlling recordable optical disk drive

Phase locked loop for generating an output signal

Phase-locked loop circuit for reproducing a channel clock

Phase-synchronous controller for production of reference clock s

Physical identification data addressing method using wobble...

Physical identification data addressing method using wobble...

Physical identification data addressing method using wobble...

Physical identification data addressing method using wobble...