DISK RECORDING AND REPRODUCING APPARATUS USING TWO LASER BEAMS
摘要
申请公布号
EP0427478(A3)
申请公布日期
1992.01.15
申请号
EP19900312039
申请日期
1990.11.02
申请人
SONY CORPORATION
发明人
TOBITA, SATORU, C/O SONY CORPORATION;HIGASHIHARA, TERUAKI, C/O SONY CORPORATION;HISHIDA, KAZUYUKI, C/O SONY CORPORATION;TEZUKA, MASARU, C/O SONY CORPORATION
