Drive controller

Abstract

A drive controller has means for detecting that a ship body lands on the water, and a function of allowing a drive upon detection of the landing and of inhibiting the drive upon non-detection of the landing.

What is claimed is:  
     
         1 . A drive controller comprising: 
 water-detecting terminals provided at a bottom of a ship body;    a water-detecting circuit for detecting the presence and absence of a short circuit current formed by a contact of said water-detecting terminals to a water;    a motor driving switch being electrically connected to said water-detecting circuit for selecting a connection and a disconnection thereto;    a super-reproducing receiving unit for detecting a signal which has been received through a filter from an antenna;    a control circuit connected to an output side of said super-reproducing receiving unit;    a steering unit being connected through a steering drive-amplifier to one of output sides of said control circuit;    a driving motor drive-amplifying unit being connected through said motor driving switch to another of said output sides of said control circuit, for amplifying a driving signal; and    a motor driving unit connected to an output side of said driving motor drive-amplifying unit,    wherein if said ship body lands on the water and the water is present between said terminals, then said motor driving switch is closed to cause said motor driving unit to operate.    
     
     
         2 . A radio-controlled toy ship having water sensor for radio control, comprising: 
 water-detecting terminals provided at a bottom of a ship body;    a water-detecting circuit for detecting the presence and absence of a short circuit current formed by a contact of said water-detecting terminals to a water;    a motor driving switch being electrically connected to said water-detecting circuit for selecting a connection and a disconnection thereto;    a super-reproducing receiving unit for detecting a signal which has been received through a filter from an antenna;    a control circuit connected to an output side of said super-reproducing receiving unit;    a steering unit being connected through a steering drive-amplifier to one of output sides of said control circuit;    a driving motor drive-amplifying unit being connected through said motor driving switch to another of said output sides of said control circuit, for amplifying a driving signal; and    a motor driving unit connected to an output side of said driving motor drive-amplifying unit.