Patent ID: 8731416
Filing Date: 2014-05-20
Classification: G03G,H02P

Abstract:
1. An electronic device including a first motor, the electronic device comprising: a first movable body that is driven to move by the first motor; a detecting unit that detects a signal according to rotation of the first motor or movement of the first movable body; a second movable body which is driven to move by a second motor, the second movable body abutting on the first movable body or having contact with the first movable body via another object, or electrically or magnetically acting on the first movable body; and a determining unit configured to determine presence of malfunction of the first motor or the first movable body on the basis of an analysis result of a predetermined first frequency from among frequencies of the signal, and configured to determine presence of malfunction of the second motor or the second movable body on the basis of an analysis result of a predetermined second frequency from among the frequencies of the signal, according to rotation of the first motor or movement of the first movable body.