Patent ID: 7549958

Claim:
An endoscope apparatus comprising: a connector having a light emitting diode; an apparatus body side connector to which the connector is detachably connectable; a main electrical power supply which provides current to the light emitting diode from the apparatus body side connector; and an energizing controlling device which controls the main electrical power supply to start providing current to the light emitting diode only after a first predetermined period of time after the connector and the apparatus body side connector are initially substantially connected, wherein the energizing controlling device comprises: first and second electrodes which are provided on the apparatus body side connector and each of which are electrically engaged and disengaged with the light emitting diode with a time differential at the times of the connection and disconnection; and a switching circuit which is connected to one of the first electrode and the second electrode, which is engaged later; and disengaged earlier, than the other.