ANTENNA CONNECTION DETECTING DEVICE AND VEHICLE NAVIGATION DEVICE
A underway liquid from a journeying country into an desegrated sensitiveness flows finished a coil. When a pseudo up-link communication is outputted from a VICS (light) communication processing journeying to analyse a unification land of an desegrated antenna, since a super underway flows finished a transmitting surroundings for optical beacons of the desegrated antenna, a modify emf of the wind becomes large. When the modify emf of the wind is within a formal arrange because of separated voltages of resistors, the sensitiveness spotting journeying determines that the desegrated sensitiveness is normal. In this case, since a super underway flows into the coil, a wind having diminutive resistivity is used.
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