Patent ID: 8655555

Claim:
An openable and closable member control apparatus comprising: a flexible drive member that is engaged with an openable and closable member and drives the openable and closable member to open or close through an opening/closing movement of the openable and closable member; an electric motor that applies a drive force to the flexible drive member; a sensing device that outputs signals one after another in response to a change in a rotational state of the electric motor, which is sensed by the sensing device; a computing device that computes at least one index value for an execution history of the opening/closing movement of the openable and closable member, wherein when a total amount of the opening/closing movement of the openable and closable member is increased, the computing device increases the at least one index value regardless of whether the opening/closing movement of the openable and closable member is an opening movement or a closing movement; a setting device that sets a masking range for at least one of the signals based on the at least one index value, wherein the setting device increases the masking range when the at least one index value is increased; and a determination device that determines whether an object is pinched by the openable and closable member based on at least another one of the signals, which is outputted in a range other than the masking range, without referring to the at least one of the signals in the masking range during execution of the opening/closing movement of the openable and closable member.