PROBLEM TO BE SOLVED: To provide a capsule endoscope 20 capable of controlling the driving of a plurality of function execution units 31, 32 independently.SOLUTION: The capsule endoscope 20 includes: a plurality of function execution units 31, 32 which acquire information from within a subject a battery 26 which supplies power to the plurality of execution units 31, 32 a switch unit 23 including a plurality of switches MS1, MS2 which independently control the supply of power to the respective function units 31, 32 from the battery 26 a magnetic field sensor unit 21 which receives a control signal from outside the subject and a power control unit 22 which controls the switch unit 23 according to the number of times that the magnetic field sensor unit 21 receives the control signal.COPYRIGHT: (C)2012,JPO&INPIT【課題】複数の機能実行部31、32を独立して駆動制御可能なカプセル型内視鏡20を提供する。【解決手段】カプセル型内視鏡20は、被検体の体内において生体情報を取得するための複数の機能実行部31、32と、複数の機能実行部31、32に電力を供給する電池26と、電池26から、それぞれの機能実行部31、32への電力供給を独立して制御する複数のスイッチMS1、MS2を有する切替部23と、被検体の外部からの制御信号を受信する磁界検知部21と、磁界検知部21が前記制御信号を受信した回数に応じて、切替部23を制御する電力制御部22と、を具備する【選択図】図1