Patent ID: 8830077

Claim:
An electronic device comprising: a case; an angular velocity sensor fixed to the case and sending a plurality of signals according to a plurality of components of an angular velocity applied to the case, the plurality of components of the angular velocity being about a plurality of axes, respectively; a data memory storing a reference profile; an output unit operating in an operation mode corresponding to the reference profile; and a processor operable to cause the output unit to operate according to the plurality of signals sent from the angular velocity sensor, wherein the reference profile contains a plurality of components which are compared with the plurality of signals, respectively, wherein the processor is operable to: cause the output unit to operate in an operation mode; and determine, according to one signal of the plurality of signals, whether or not the processor causes the output unit to operate in the operation mode wherein, if the amplitude of the one signal is larger than a predetermined amplitude, the processor does not change the operation mode of the output unit.