Optical disc drive apparatus

Details Optical disc drive apparatus Optical disc drive apparatus

1986-05-23

1988-08-02

McElheny, Jr., Donald

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

369112, 369222, G11B 7095

Patent

active

047617748

ABSTRACT:
An optical disc drive apparatus has a remarkably improved track accessing ability in comparison with conventional like apparatus. On a base are provided an optical system having a light emitting element and a light sensing element, as well as an optical path deflecting element which performs a precision tracking. Further, an objective lens and a light guide element are provided on a rotating element which performs track seek and rough tracking. The light guide element comprises two reflecting members which are opposed in parallel with each other.

REFERENCES:
patent: 3944727 (1976-03-01), Elliott
patent: 4004081 (1977-01-01), Zorn
patent: 4260858 (1981-04-01), Beiser
patent: 4295162 (1981-10-01), Carlsen
patent: 4451913 (1984-05-01), Elliott
patent: 4473274 (1984-09-01), Yano et al.
patent: 4574371 (1986-03-01), Takemura et al.
patent: 4669073 (1987-05-01), Wakabayashi et al.

Affiliated with

Also associated with

Rating

Optical disc drive apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Optical disc drive apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical disc drive apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-714996