INFORMATION PROCESSING DEVICE

摘要

An information processing device including a personal authentication function by reading a fingerprint. The device has a detection structure having an improved detection function. The information processing device (mobile telephone device 2) has a fingerprint read function and a case (4) having a window (20), a fingerprint sensor (22) arranged in the case and having a sensor surface (24) exposed to the window, and a frame (electrode 42) arranged inside or on the case and forming an opening (50) for exposing the sensor surface of the fingerprint sensor from the window, so that the frame is in contact with a finger through the window of the case.