Patent ID: 8333664

Claim:
An information processing apparatus, which is connected to an operation device comprising a magnetic sensor, a posture detecting sensor for detecting a posture of the operation device, and an operation button used for operation input by a user, the information processing apparatus comprising: a receiving section for receiving, from the operation device, a detection result of the magnetic sensor and information indicating an operation performed by the user with respect to the operation button; a determining section for determining whether or not the operation button has been operated, by using the received information indicating the operation; and a posture identifying section for identifying, when the determining section determines that the operation button has been operated, the posture of the operation device without the use of an output from the magnetic sensor but by using posture detecting sensor, and when the determining section determines that the operation button has not been operated, the posture of the operation device with the use of an output from the magnetic sensor and the detecting sensor.