Patent ID: 6373799
Filing Date: 2002-04-16
Classification: G06K,G11B

Abstract:
A recording disk having a recording medium and a memory assembly which is disposed in an annular or spiral form at a certain position on said disk, said memory assembly comprising a memory which stores information, a signal processor which writes/reads information to/from said memory assembly, a transmitter-receiver which transacts information with an exterior of said disk, a controller which controls said memory assembly, signal processor and transmitter-receiver, a receiver which receives power in the form of a signal supplied from the exterior of said disk for the operation of said memory assembly, signal processor, transmitter-receiver and controller, and a rectifier which converts the signal received by said receiver into power, wherein said disk is formed of at least two plastic sheets stuck together, said recording medium is formed on a sticking side of at least one plastic sheet among said plastic sheets, and said memory assembly is formed by insert-lamination in at least one plastic sheet among said plastic sheets.