An information storing device and an information processing device having a memory for registering a plurality of working modes at recording/reproduction and a switching circuit for selecting one of the plurality of working modes, which select the optimum working mode automatically or by an instruction...http://www.google.de/patents/US5982570?utm_source=gb-gplus-sharePatent US5982570 - Information storing device and method for controlling same to record/reproduce information by selecting one of working modes
