Patent ID: 7268510
Filing Date: 2007-09-11
Classification: G05B

Abstract:
1. A control apparatus for an open/close member, in which the apparatus controls opening and closing of the open/close member, comprising: a drive motor driven so as to open and close the open/close member; position detection means for detecting the position of the open/close member; storage means made of an electrically rewritable ROM into which position information corresponding to the position of the detected open/close member is written; control means for writing current position information of the open/close member into the storage means based on halting of operation of the drive motor and identifying the current position of the open/close member when power supply is started based on the position information of the open/close member written in the storage means; and determination means for determining whether the control means has lost the current position of the open/close member or not at the start of the power supply.