| 摘要 |
PURPOSE:To attain the general-purpose properties, miniaturization and a large qunatity of information by using a controller containing a memory address counter, a memory address display device, a tuner and a battery and an attachable/detachable memory card consisting of a nonvolatile semiconductor memory or a volatile semiconductor memory containing a back-up power supply. CONSTITUTION:When the information is transferred, a power supply switch 7 of a controller 4 is turned on. Then a memory card 8 is set. Then a memory address advance switch 5 is pushed to retrieve at a high speed the calling start number of the card 8 while looking at a memory address display device 6. An electronic computer 1 gives an information call or storage instruction to the controller 4 to perform the transfer of information. The card 8 consists of a nonvolatile semiconductor memory or a volatile semiconductor memory containing a back-up power supply. Therefore the information on the card 8 is never erased even if the card 8 is removed from the controller 4. |
