| 摘要 |
PURPOSE:To easily confirm the content of any two-dimensional information, by observing the communicative content or the communicative state of communication in a state almost equal to actual communication, in the communication between a mobile body such as a robot, etc., and a base station. CONSTITUTION:On the mobile body W, a unit A consisting of a two-dimensional picture information receiver 1, a recognition device 2 which judges the correctness of the recognition of the two-dimensional information received by the receiver 1, a controller 3 which judges the correctness of the content of the two-dimensional information recognized by the recognition device 2, and a two-dimensional information transmitter 4 which transmits the two-dimensional information received by the receiver 1 and new two-dimensional information from the controller 3 for the above information is provided. Also, at the base station N, a unit B consisting of a two-dimensional picture information receiver 5 provided at a position confronted with the transmitter 4, a recognition device 6 which recognizes the correctness of the recognition of the two-dimensional information received by the receiver 5, a controller 7 which judges the correctness of the content of the two-dimensional information recognized by the recognition device 6, and a two-dimensional picture information transmitter 6 which transmits the two-dimensional information received by the receiver 5 and new two-dimensional information from the controller 7 for the above information is provided. Then, the two-dimensional information is transferred between the units A and B. In such a way, it is possible to easily find the abnormality of the communication.
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