Patent ID: 8764637

Claim:
A living-body observation system, comprising: an in-vivo observation apparatus including: an in-vivo information acquiring section that includes an image pickup section and acquires information in a living body; a power source section that supplies driving power of the in-vivo information acquiring section; a magnetic field detection section that detects a magnetic field from outside and outputs a detected result as an electric signal; and a power supply control section that controls a supply state of driving power supplied from the power source section to the in-vivo information acquiring section, and an operation of the in-vivo information acquiring section, based on the electric signal; and a magnetic field generating section that is disposed outside the in-vivo observation apparatus and generates the magnetic field; wherein the power supply control section includes a control section that sets a frame rate of the image pickup section based on a count value of a number of a plurality of applications of the magnetic field detected by the magnetic field detection section during a predetermined period of time.