| 摘要 |
PROBLEM TO BE SOLVED: To provide a method and a device for channel communication between elements with which the communication standby time of an element can be remarkably reduced and satisfactory communication efficiency can be provided. SOLUTION: Plural channels A, B, C, D and E for connecting a first element 10 and a second element 20 are formed and meaning shown by a signal (whether the signal is an information signal, address signal or control signal) is judged from a difference in the duty ratio of a time pulse signal or the start and end signals of communication, the address signal and the control signal are defined by one address/control wire. Each of channels A, B, C, D and E becomes a perfect bus means, can independently work and has characteristics such as one-way communication of an address message and an information message. The channels A, B, C, D and E can be located corresponding to a real demand and between the first element 10 and the second element 20, a message can be positively communicated according to circumstances.
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