Patent ID: 7645950

Claim:
An electronic apparatus having a plurality of switch contacts and performing an operation in accordance with a switch signal from one of the plurality of the switch contacts, the electronic apparatus comprising: a control unit configured to control operation of the electronic apparatus in accordance with the switch signal, the switch contact comprising: a detection contact; a common contact shared by all of the plurality of the switch contacts; and a movable contact making the detection contact and the common contact conductive by a user operation, wherein at least one of the plurality of switch contacts includes a plurality of the detection contacts, and each of the plurality of the detection contacts belonging to the at least one switch contact is shared by different other switch contacts, respectively, and at least one switch contact having the plurality of the detection contacts shares at least one of the detection contacts within the plurality of the detection contacts belonging to the switch contact, with a switch contact which does not lie adjacent to the switch contact and, wherein the control unit controls operation of the electronic apparatus in accordance with a switch signal from a switch contact among the plurality of the switch contacts, if all of the detection contacts belonging to the switch contact are made conductive with the common contact.