Lens cleaner and lens cleaning method for optical disc device

Details Lens cleaner and lens cleaning method for optical disc device Lens cleaner and lens cleaning method for optical disc device

2007-03-27

2007-03-27

Letscher, George (Department: 2653)

Dynamic optical information storage or retrieval

Dynamic mechanism optical subsystem

Protecting optical transducer

Reexamination Certificate

active

10684597

ABSTRACT:
By not recording a signal which can be the subject of focussing on a disc, a simple and inexpensive lens cleaner is provided which is able to perform cleaning of an object lens in a simple and reliable manner, without causing the disc to rotate, even in a standard disc device. In order to clean the object lens of the optical disc device, a bristle brush which makes contact with the object lens is provided on the disc, an operating ribbon for operating the disc from the outside of the device is attached to the disc, and no recording face that can be the subject of focussing by the object lens is provided, or alternatively, no signal that can be the subject of focussing by the object lens is recorded, on the face of the disc adjacent to the object lens.

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