| 摘要 |
PURPOSE:To avoid trouble to store program information every time a reproducer is played, by providing a recording section of the program information, in addition to the recording section of main and address information. CONSTITUTION:On a recording base 1, address information relating to main information is recorded in a main information recording section 3, and at reproduction, the recording base 1 is turned, the main information recording section 3 is scanned with laser beam and recorded information is read by detecting the changing component of reflected light modulated according to the bit location of the main information recording section 3. A program information recording section 4 is formed at the inside of the main information recording section 3 by surrounding a center hole 2. The information is recorded in the main information recording section 3 in a specified mode to the reproducer at reproduction. To achieve the reproduction of the main information according to the address information, the program information giving instruction of the reproducing operation of the reproducer is recorded. |
