Dynamic information storage or retrieval – Detail of optical slider per se
Reexamination Certificate
2005-10-18
2005-10-18
Letscher, George (Department: 2653)
Dynamic information storage or retrieval
Detail of optical slider per se
Reexamination Certificate
active
06956811
ABSTRACT:
In an optical recording/reproducing apparatus, the apparatus includes a moving unit moving above a recording medium by operation of a driving unit; a slider fixedly installed at a free end of the moving unit; a head lens unit including an objective lens installed at a top surface of the slider and a conversing lens installed below the objective lens in order to converge light passing the objective lens above the recording medium; a beam path conversion unit having a selection surface being arranged at the upper portion of the objective lens vertical to an optical axis of the objective lens and transmitting only light beam proceeding toward an optical axis direction of the objective lens; and an optical unit having a radiating unit installed at the moving unit, generating and transmitting light to be irradiated onto the recording medium through the beam path conversion unit and the head lens unit and a light receiving unit for sensing light reflected upon the recording medium.
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Lee Hong Degerman Kang & Schmadeka
Letscher George
LG Electronics Inc.
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