| US 7,526,111 B2 | ||
| Personal identification device and method | ||
| Naoto Miura, Kokubunji (Japan); Akio Nagasaka, Kokubunji (Japan); and Takafumi Miyatake, Hachioji (Japan) | ||
| Assigned to Hitachi, Ltd., Tokyo (Japan) | ||
| Filed on Jun. 30, 2004, as Appl. No. 10/879,044. | ||
| Claims priority of application No. 2003-300712 (JP), filed on Aug. 26, 2003. | ||
| Prior Publication US 2005/0047632 A1, Mar. 03, 2005 | ||
| Int. Cl. G06K 9/00 (2006.01) | ||
| U.S. Cl. 382—126 [382/124; 382/125; 340/5.53; 340/5.83] | 11 Claims |
| 1. A personal identification device comprising:
an image pickup unit;
a light source which emits light adapted to be transmitted through a finger to be incident on said image pickup unit;
an image operating unit which generates a pattern from an image picked up by said image pickup unit, and which matches the
pattern of said image with a registered pattern registered in advance;
a finger-midsection insertion guide unit which indicates a position where the image of a midsection of a length of said finger
is picked up; and
a detection unit which detects a contact between the midsection of said finger and said finger-midsection insertion guide
unit.
|