| 摘要 |
PROBLEM TO BE SOLVED: To provide a system where notice on the occurrence of a fault, transmission by an image, storage on the occurrence of the fault, and access to the image can properly be executed and leakage of information to other than concerned people is not cared about. SOLUTION: An image picked up by a digital image pickup camera and encrypted is stored, transmitted to a personal computer, a mobile phone or a mobile information terminal, the encrypted image is decoded by a removable decoding key device and the image is confirmed, thus leakage of the image information is not cared about.
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