Patents Assigned to SEL, Inc.
  • False note detecting device and an electric bulb for use in detecting a false note
    Patent number: 6771357
    Abstract: The false note detecting device 1 has a case 2 in which there are provided an ultraviolet irradiating LED 3, a light receiving element 5, an on-off switch 9, and a signal processing circuit 6 for determining an ultraviolet pattern of a note to be inspected based on an output of the light receiving element 5 to judge whether the note is true or false. By scanning the surface of the note to be inspected in hand operation, it is possible to judge the note's truth or false easily.
    Type: Grant
    Filed: March 20, 2000
    Date of Patent: August 3, 2004
    Assignee: SEL, Inc.
    Inventor: Yoshihisa Inukai