Verification device for currency containing an embedded security

Details Verification device for currency containing an embedded security Verification device for currency containing an embedded security

1994-03-14

1995-11-21

Allen, Stephone B.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

382135, G06K 500

Patent

active

054689716

ABSTRACT:
A linear array of photoemitters and photodiodes are positioned on opposite sides of currency paper for denomination and verification determination under transmitted light. The photoemitters are arranged for projecting an image of the indicia printed on the security thread embedded within the currency paper. The photodiodes receive the image and connect with a processor circuit which determines the presence or absence of the security feature, reads the denomination indicia and correspondingly provides indication thereof. The processor contains stored information identifying currency denomination and a comparison is made at the time of verification to also determine the denomination of the proffered currency.

REFERENCES:
patent: 4309602 (1982-01-01), Gonsalves et al.
patent: 4435834 (1984-03-01), Pauli et al.
patent: 4524276 (1985-06-01), Ohtombe
patent: 4652015 (1987-03-01), Crane
patent: 4761205 (1988-08-01), Crane
patent: 4837840 (1989-06-01), Goldman
patent: 4980569 (1990-12-01), Crane et al.
patent: 5151607 (1992-09-01), Crane et al.
patent: 5210398 (1993-05-01), Metlitsky
patent: 5260582 (1993-11-01), Danek et al.
patent: 5308992 (1994-05-01), Crane et al.
patent: 5399874 (1995-03-01), Gonsalves et al.
patent: 5416307 (1995-05-01), Danek et al.
"Phase Retrieval and Diversity in Adaptive Optics" Robt. Gonsalves Phd Optical Engineering, Sep.-Oct. 1982 vol. 21.

Affiliated with

Also associated with

Rating

Verification device for currency containing an embedded security does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Verification device for currency containing an embedded security, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Verification device for currency containing an embedded security will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1139218