Information processing unit

Abstract

The present invention relates to an information processing unit, such as a mobile phone, equipped with a fingerprint sensor and reconciles size reduction with operability at a high level. The present invention is provided, adjacent to a keypad, with a V-shaped groove which contains a first slope stretching away from the keypad and slanting downward and a second slope stretching further away from the keypad and slanting upward, where the V-shaped groove contains a fingerprint sweep sensor which detects a fingerprint on a finger moved along the first slope and the second slope.

1 . An information processing unit which comprises a casing equipped with a control pad containing a plurality of operation keys, wherein: 
 the casing comprises, adjacent to the control pad, a V-shaped groove which contains a first slope stretching away from the control pad and slanting downward and a second slope stretching further away from the control pad and slanting upward;    the V-shaped groove comprises a fingerprint sensor which detects a fingerprint on a finger moved along the first slope and the second slope; and    the first slope and the second slope have mutually different tilt angles.    
   
   
       2 . The information processing unit according to  claim 1 , wherein the first slope has a larger tilt angle than the second slope.  
   
   
       3 . The information processing unit according to  claim 1 , wherein the fingerprint sensor is a fingerprint sweep sensor.  
   
   
       4 . The information processing unit according to  claim 3 , wherein the fingerprint sweep sensor has a surface protruding above an inner surface of the V-shaped groove.  
   
   
       5 . The information processing unit according to  claim 3 , wherein the fingerprint sweep sensor is located in the V-shaped groove in such a way as to hide a ridge line where an extension surface of the first slope and an extension surface of the second slope meet.