Patent ID: 8290019
Filing Date: 2012-10-16
Classification: A63H,G08C,H04B

Abstract:
1. A radio controlled model apparatus comprising: a model mobile device to be controlled remotely by radio; and a controller configured to use a plurality of radio zones, said radio zones being created using frequency hopping pattern by switching plural frequencies sequentially and respectively, said controller controlling motion of said model mobile device using one of said radio zones; wherein said controller includes a radio zone use detector for detecting whether or not said plurality of radio zones are in an occupied state before said controller is used; and a transmitter for selectively transmitting through an unoccupied radio zone detected by said radio zone use detector; and wherein said radio zone use detector starts detecting whether or not an initial radio zone, represented by information stored in a nonvolatile memory of the radio zone use detector, is in an occupied state, continues to detect sequentially in a predetermined order during a period dependent on a number of the plural frequencies of the frequency hopping pattern whether or not said radio zones are in an occupied state until an unoccupied radio zone is detected, and thereby updates the information representing the initial radio zone stored in said nonvolatile memory before said controller is used.