Patent ID: 7354398
Filing Date: 2008-04-08
Classification: A61B

Abstract:
1. A capsule-type device, comprising: a power generator that generates power by receiving at least one of a time-varying electric field and a time-varying magnetic field; a casing that surrounds the power generator, the power generator including a plurality of receiving elements having different directionalities with regard to the at least one of the time-varying electric field and the time-varying magnetic field, the plurality of receiving elements having coils respectively located on planes having different orientations; an objective lens system that forms an image of an object, the coils including a coil located to cross an optical path of the objective lens system, the optical path passing through an opening of the coil; an image pickup device that converts the image formed thereon by the objective lens system to an image signal; and a transmitter that transmits the image signal, generated by the image pickup device, by a radio signal.