Inventor
NAKATA YOSHINOBU
JP6 patents
Patents
6 patentsUS4700336AOct 13, 1987
Optical recording and playback apparatus using plural light spots
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD37 citations92
US4562562ADec 31, 1985
Tracking system for controlling the radial positioning of a transducer on a disc medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD40 citations89
US4368526AJan 11, 1983
Servo control system for optical system which focuses a converging light beam on a recording disc
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations81
US4272651AJun 9, 1981
Optical system having diode laser light source
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations81
US4727444AFeb 23, 1988
Loading device for a cartridge
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations80
US3984067AOct 5, 1976
Automatic tape winding device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations58