| 摘要 |
An apparatus control system which is comprised of second apparatus 200 having communication functions, third apparatus 300 connected to second apparatus 200, and first apparatus 100 that communicates with second apparatus 200, and which controls second apparatus 200 safely against fears such as spoofing and leaks of control instructions. In the system, first apparatus 100 transmits an instruction for requesting an issue of a control instruction for second apparatus 200 to third apparatus 300 via second apparatus 200, third apparatus 300 generates the control instruction for second apparatus 200 to transmit to instruction executing section 202 in second apparatus 200, and second apparatus 200 executes the instruction in instruction executing section 202. In this way, first apparatus 100 is capable of controlling second apparatus 200 without leaks of control instruction including remote control, and it is thus possible to establish the apparatus control system with data integrity assured and with high security.
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