Optical integrating element and integration type optical pickup

Details Optical integrating element and integration type optical pickup Optical integrating element and integration type optical pickup

1997-04-17

1998-06-02

Edun, Muhammed M.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

369 4412, G11B 700

Patent

active

057611785

ABSTRACT:
An optical integration element of the invention comprises a substrate possessing a light emitting element for emitting light, and a receiving sensor for receiving reflected light, an incident part composed of an optical transparent material for receiving the light from the light emitting element, a first reflecting part for reflecting the light entering from the incident part, a second reflecting part for reflecting by converting the light from the first reflecting part into nearly parallel light or convergent light, a condensing part for condensing the light from the second reflecting part, and an optical member forming an optical path transforming part for guiding the reflected light into the receiving sensor.

REFERENCES:
patent: 5450237 (1995-09-01), Yoshida et al.
patent: 5566157 (1996-10-01), Kojima et al.
patent: 5621715 (1997-04-01), Ohyama

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