OPTICAL PICK UP APPARATUS OF MINI DISK PLAYER

OPTICAL PICK UP APPARATUS OF MINI DISK PLAYER

With optical pick-up unit of Mini-disk player, the process of manufacturing is simplified and the size of the unit can be made smaller by granting the function of gating to a beam-splitter. The upper side of the beam-spliter, splitting a ray of light incident and a ray of reflection of laser beam, i...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: HAN, MAN - JUN
Format: Patent
Sprache:eng ; kor
Schlagworte:
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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Beschreibung
Zusammenfassung:With optical pick-up unit of Mini-disk player, the process of manufacturing is simplified and the size of the unit can be made smaller by granting the function of gating to a beam-splitter. The upper side of the beam-spliter, splitting a ray of light incident and a ray of reflection of laser beam, is coated horizontally with some mirror of total reflection, so the slit is made for transmitting a laser beam between total reflection mirrors.