| 摘要 |
<p>A data communication system applicable to the transmission of ciphered data comprises a data transmission circuit (3), a data transmission apparatus (1), a data reception apparatus (5), a data ciphering apparatus (2) on the side of the data transmission apparatus, and a data deciphering apparatus (4) on the side of the data reception apparatus. The data ciphering apparatus comprises switch means (2A), circuit condition detect means (2B), control code monitoring means (2C), scramble means (2E), and drive control means (2D). The data deciphering means comprises switch means (4A), circuit condition detect means (4B), control code monitoring means (4C), descramble means (4E) and drive control means (4D).</p> |
