Patent ID: 6571085
Filing Date: 2003-05-27
Classification: H04B

Abstract:
A portable telephone apparatus, comprising:a body; a window section provided in said body; a cover section provided on said body to cover said window section, wherein said cover section is opened and closed; an optical communication section provided inside said body, said optical communication section performing an optical communication through said window section when said cover section is opened; a control section provided in said body, said control section activating said optical communication section when said cover section is opened and deactivating said optical communication section when said cover section is closed; a power supply section, said control section connecting said optical communication section to said power supply section when said cover section is opened and disconnecting said optical communication section from said power supply section when said cover section is closed; said control section including a first switching section and a second switching section, said first switching section being switched in response to an operation of said window section and said second switching section detecting a switching condition of said first switching section and switches, based on said detected switching condition, between a first condition that said optical communication section is connected to said power supply section and a second condition that said optical communication section is disconnected from said power supply section.