| 摘要 |
PURPOSE: A no-con preventive dual apparatus is provided to secure a high speed and reliability of a relay performing the manipulation of a microcomputer and its actual switching action. CONSTITUTION: In the no-con preventive dual apparatus, a manipulation control signal produced from a pilot box is transmitted to two receivers through two transmitters having different communication bands. Namely, same control signal is input to the two receivers. After a reliability of the signal is determined through the first receiver and a dual receiving device for an R/C model plane, a servomotor is driven to control the manipulation of the model plane. Then, if any problems are generated during the driving of the servomotor, the dual receiving device determines the generation of the problems and is switched to the second receiver through a relay. After that, a signal for driving the servomotor is input through the second receiver.
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