Patent ID: 6857575
Filing Date: 2005-02-22
Classification: G06K

Abstract:
1. A system encompassing a first and a second elements, whereby the first element is an optical storage medium that has a shape of a circular disk with two parallel cut edges of cut-off segments symmetrical to a center point and whereby the second element is a card, especially formed from synthetic resin, in a size of a business card or credit card, which is insertable in combination with the optical storage medium in a drive of a writing appliance and/or a reading appliance, comprising means which fastens the first and the second elements when the card and the storage medium are laid flat against one another in two relatively rotated positions, wherein the means are pins and bores on the first and the second elements, and the card has pins on a back side thereof which are insertable in corresponding bores in the storage medium for retention.