| 摘要 |
PURPOSE: To protect copyright of a disk already written by selecting copy operation by read out a copy allowableness information in a control means. CONSTITUTION: A recording medium in which a copy allowableness information is recorded, is loaded in a floppy disk drive 4, and reading, rewriting and deleting operation of the copy allowableness information are performed by control of a CPU board. Also, a floppy disk loaded in the drive 4 is forcedly ejected. A LCD is provided on an operation face of a master side copy device 10, and information about copy such as a reason of ejecting each disk, instruction of next operation and the like is displayed visually. |
