OPTICAL INFORMATION RECORDING AND REPRODUCING APPARATUS

• Main Authors: SHIKICHI, SATOSHI, KITAI, HIROTO, HOSOYA, HIDEKI
• Format: Patent
• Language: English; French
• Published: 26.05.1992
• Edition: 5
• Subjects: INFORMATION STORAGE; INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER; PHYSICS

An optical information recording and reproducing apparatus for an optical information record medium on which a plurality of tracks are arranged substantially in parallel, comprises a light source, a first optical system for forming a small spot on the record medium by converging a light beam from th...