Methods and devices for verifying the authenticity of...

Details Methods and devices for verifying the authenticity of... Methods and devices for verifying the authenticity of...

2002-12-09

2008-05-27

Sung, Christine (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

Ultraviolet light responsive means

C209S534000

Reexamination Certificate

active

07378665

ABSTRACT:
Ultraviolet light is used for checking the authenticity of sheet material, in particular bank notes, whereby the ultraviolet light transmitted, i.e. pervading the sheet material to be checked, is used for checking authenticity.

REFERENCES:
patent: 5280333 (1994-01-01), Wunderer
patent: 5476169 (1995-12-01), Takarada et al.
patent: 5640463 (1997-06-01), Csulits
patent: 5960103 (1999-09-01), Graves et al.
patent: 6061121 (2000-05-01), Holl et al.
patent: 6472670 (2002-10-01), Philipp et al.
patent: 2001/0006556 (2001-07-01), Graves et al.
patent: 2002/0109830 (2002-08-01), Liu
patent: 2003/0039359 (2003-02-01), Thierauf
patent: 2004/0056084 (2004-03-01), Skinner
patent: 24 40 552 (1976-01-01), None
patent: 195 17 194 (1996-11-01), None
patent: 199 01 702 (2000-07-01), None
patent: 0 668 576 (1995-08-01), None
patent: 1 120 753 (2001-08-01), None
patent: 2 801 125 (2001-05-01), None
patent: 1 470 737 (1977-04-01), None
patent: 2 355 522 (2001-04-01), None
patent: 5624685 (1981-03-01), None
patent: 2097832 (1997-11-01), None
patent: 2139571 (1999-10-01), None
patent: 2169393 (2001-06-01), None
patent: 1753252 (1992-08-01), None
patent: WO 00/42578 (2000-07-01), None
patent: WO 01/41079 (2001-06-01), None

Affiliated with

Also associated with

Rating

Methods and devices for verifying the authenticity of... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Methods and devices for verifying the authenticity of..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Methods and devices for verifying the authenticity of... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3983106