| 摘要 |
PURPOSE:To stop a main body from performing wrong operation based upon abnormal data generated owing to the runaway of an operation part by providing an operation control part, a main body control part, etc., and detecting the abnormality of the operation part. CONSTITUTION:The main body 21 of the main body control part 20, the operation part CPU 31 of the operation control part, a display part 32, the operation part 33, etc., are provided. Specific data is added by the operation control part 30 to data sent from the main body control part 20 and the resulting data is sent back to the main control part 20. Then, the main body control part 20 judges and detects the availability of the sent-back data to prevent copying operation based upon abnormal data from being carried out. Thus, wrong main body operation based upon abnormal data generated owing to the runaway of the operation part 33 is stopped. |
