Title:
【発明の名称】視線検出装置
Document Type and Number:
Japanese Patent JP3219426
Kind Code:
B2
Inventors:
Akira Akashi
Application Number:
JP12109791A
Publication Date:
October 15, 2001
Filing Date:
May 27, 1991
Export Citation:
Assignee:
Canon Inc
International Classes:
A61B3/113; G02B7/28; G06F17/40; (IPC1-7): A61B3/113; G02B7/28; G06F17/40
Domestic Patent References:
| JP3109029A | ||||
| JP339603A | ||||
| JP1113882A | ||||
| JP265835A |
Attorney, Agent or Firm:
Keizo Nishiyama (1 person outside)