Phase compensator and compatible optical pickup using the...

Phase controlled evanescent field systems and methods for optica

Phase masks for use in holographic data storage

Phase shifter and optical head device mounted with the same

Phase-change optical disc recording method and apparatus, and in

Phase-change optical disc recording method and apparatus, and in

Phase-change optical recording method using pulse width modulati

Phase-change type optical recording and reproducing method

Phono pickup cartridge

Phono pickup cartridge

Phonograph pick-up cartridge

Phonograph pick-up with improved shield grounding

Photo-detecting device for reproducing information recorded on a

Photo-detection device used in an optical pickup head for detect

Photo-electro-magnetic disc device

Photochromic recording with a recording and erasing temperature

Photodetector and optical pickup apparatus

Photodetector and optical pickup apparatus

Photodetector and optical pickup device

Photodetector disposed on both sides of an objective lens for re