| 摘要 |
PROBLEM TO BE SOLVED: To provide a highly reliable electronic apparatus at a low cost by solving the various problems about information transmission in the conventional same electronic apparatus or the safety problem in removing restriction, by applying radio communication techniques and eliminating defects and restrictions of the conventional information transmission system. SOLUTION: The electronic apparatus is provided with an information transmitter for transmitting information, an encryptor for encrypting the information of the information transmitter, a radio transmitter for transmitting the information encrypted by the encryptor by an electromagnetic signal, a radio receiver for receiving the electromagnetic signal transmitted from the radio transmitter, a decryptor for decrypting the signal received by the radio receiver, a key generator for generating an encryption key, and a wired communication for delivering the encryption key generated by the key generating section to the encryption section and the decryption section by wired communication. COPYRIGHT: (C)2005,JPO&NCIPI
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