Adapter for non-circular disc

Details Adapter for non-circular disc Adapter for non-circular disc

2007-03-13

2007-03-13

Klimowicz, William J (Department: 2627)

Dynamic optical information storage or retrieval

Optical storage medium structure

Disk adapter

C369S289100

Reexamination Certificate

active

10503608

ABSTRACT:
An adapter A1made of a synthetic resin includes an annular frame1having an outside diameter of 12 cm, a disk receiving section2provided continuously on a lower portion of an inner edge of the frame1, and a pair of disk pressing sections3and3provided continuously on an upper portion of the inner edge of the frame1. The disk receiving section2is provided with a circular opening4for causing an information recording area of a disk to face an optical reader of a disk player. A disk press-contact projection7formed so that a projection height is gradually increased in a disk rotation direction Y is provided on a lower surface of each disk pressing section3. This adapter A1can securely install a non-circular optical disk even if the optical disk has a slightly different size, and an installation operation of the non-circular optical disk can be easily performed.

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