Disc device

Abstract

Abstract PURPOSE:To enable to transfer the information from the disc externally in parallel with the write-in operation from the disc to the buffer memory, by providing the buffer memory of the first-in and first-out with the disc controller. CONSTITUTION:The buffer memory is sectioned into blocks of M1-Mn and the output of the disc buffer memory is converted into parallel information with the serial/parallel data conversion circuit 7, and write-in is sequentially made to the block M1 first under the control of the timing generating circuit 8 controlled with the disc controller. When the write-in to M1 is finished, write-in is sequentially made from the block M2 to M3 on and after. When the write-in to the block M1 is finished, the memory content is sequentially read out and converted into serial information at the parallel/serial conversion circuit 16 and transmitted externally. When the readout of M1 is finished, readout is moved to M2, M3.

Inventors

• 👤 Masayoshi Kamo
• 👤 Ichiro Araki

Bibliographic Details