Patent ID: 7044814
Filing Date: 2006-05-16
Classification: B63B,F02D

Abstract:
1. A main switch apparatus of a small watercraft comprising: a main switch connected to a battery of the watercraft, the main switch being configured such that it selectively opens and closes a power supply line of the watercraft, an engine of the watercraft being able to start when the power supply line is closed, the main switch including an antenna which is configured to receive a radio transmission containing user ID information; a plurality of keys, each for operating the main switch, each having a transponder configured to store user ID information that is individually assigned to each of the keys, the transponder being supplied with power from the battery through the main switch when the corresponding key is applied to the main switch and turns the main switch into an ON-state thereby enabling the transponder to transmit the radio transmission containing the user ID information stored therein; an ID information detector for detecting the user ID information received by the antenna; a controller for controlling the small watercraft; and a control pattern memory for storing a plurality of control patterns of the controller, each control pattern corresponding to user ID information assigned to a respective key; wherein the controller is configured to access the control pattern stored in the control pattern memory corresponding to the user ID information detected by the user ID information detector and to execute a control of the watercraft based on the accessed control pattern.