A method for storing discs, the method comprising the steps of: (a) providing a disc storage device including a disc housing, a disc insertion and retrieval mechanism and a reader for reading a marking associated with the disc (b) inserting a disc into said disc insertion and retrieval mechanism (c) if said marking is successfully read, storing the disc in a given position in said disc housing and (d) if said marking is not successfully read, rejecting the disc.ĩ. The system of claim 1, wherein said disc housing further includes a cover.Ĩ. The system of claim 1, further including an input device and an output device configured for entering properties of said disc and for retrieval of said disc.ħ. The system of claim 1, further including a voice recognition system, said voice recognition system configured for providing an input into said electronic control unit.Ħ. The system of claim 3, further including a mechanism for applying said marking to said disc.ĥ. The system of claim 2, wherein said marking is deployed as an annular marking on said disc.Ĥ. The system of claim 1, further comprising an identifying mechanism for identifying a marking on a disc, said marking selected from the group consisting of an optically readable marking, a magnetic marking and an electronic marking, said identifying mechanism being associated with said identifying mechanism.ģ. A system for storage and retrieval of discs, the system comprising: (a) a disc housing having a front portion with an opening for storage and removal of the discs and a back portion, said disc housing further including individual grooves configured for supporting the discs in a substantially vertical position and further configured to tend to cause the discs to roll by the force of gravity towards said front of said disc housing (b) an electronic control unit (c) a gate configured to support the discs in a storage position so as to prevent the discs from rolling out of said disc housing due to the force of gravity, said gate being responsive to gate opening and closing signals from said electronic control unit to open so as to allow the discs to roll out from said disc housing and (d) a disc insertion and retrieval mechanism, said mechanism configured for moving along an axis adjacent to said front portion of said disc housing in response to a disc selection signal from said electronic control unit, said disc insertion and retrieval mechanism including: (i) a feed unit including a feed slot through which a disc is loaded, an interior end facing said disc housing and an exterior end facing away from said disc housing and a feed mechanism for feeding a disc from said interior end to exterior end and from said exterior end to said interior end (ii) a belt driven by a motor responsive to a disc selection signal from said electronic control unit, said belt configured for moving said feed unit along said axis, said belt further configured for supporting the discs so as to prevent the discs from rolling out due to the force of gravity when said gate is open, such that for selective retrieval of a disc, said feed unit is positioned such that said slot is located opposite a designated disc, said gate is opened and said designated disc rolls by the force of gravity into said slot and the rolling of remaining discs are stopped by said belt and, after said selected disc is retrieved, said gate closes, returning said remaining discs into said storage position.Ģ. OPTICAL INFORMATION RECORDING MEDIUM, REPRODUCTION APPARATUS, AND REPRODUCTION METHODġ. Method and apparatus for testing copy protected compact discs TILT ADJUSTMENT SYSTEM AND METHOD OF OPTICAL DISK DEVICE Method And Apparatus For Evaluating A Magnetic Recording Medium Optical Pickup Actuator and Optical Scanning Device Supporting member for an optical pick-up actuator, and optical pick-up actuator and optical recording/reproducing apparatus using the same INFORMATION STORAGE MEDIUM, REPRODUCING METHOD, AND RECORDING METHOD Recording power adjusting method and optical information record apparatus using the same
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