TW335477B - Play device - Google Patents

Abstract

A sort of play device, with a recording face, for recording of data in CDs by the plurailty of tracks formed on the recording face and the pit patten corresponded by the recorded data; including: at least one area formed by the lettes or patterns in visible size by optic reflection difference, appearing in display area of patterns to be recorded on the recording face, and specific pit patterns of specific data or the corresponding ones, average optic reflection rate of said one pit pattern and averageoptic reflection rate of the peripheral of one of said area, with visible or sensible levels, or having: at least 2 area formed by the lettes or patterns in visible size by optic reflection difference, appearing in display area of patterns to be recorded on the recording face, and specific pit patterns of specific data or the corresponding ones, average optic reflection rate of said 2 pit pattern and average optic reflection rate of the peripheral of one of said area, with visible or sensible level, or said pattern indicating area disposed in the outer perimeter of the area reading area at the final of the recording area of the data, and said pattern indicating between the use area and the reading area, there are mirror areas without pits or said pattern area, being disposed at: in the inner perimeter in the read in start area of the data recording area; between said pattern and read in area, there are CDs with mirror area; having: memory for memorizing the location data indicating area of said pattern of said CD, and regeneration device for play of data recorded on the CD, and play restrainer specified for said location data keeping data from being played in the area on the recording face of loaded CD by ending the loaded CD.