Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
System for verifying of secure document










Image Number 18 for United States Patent #7757090.

A system is provided for verifying the validity status and/or authenticity information of a secure document. The secure document has user discernable information and a plurality of tags printed thereon. Each tag contains coded data encoding an identity of the document and a location of that tag on the document. The system has memory for recording a correspondence between the identity of the secure document and validity status and/or authenticity information relating to the secure document, a receiver for receiving data from a sensing device, and a processor for verifying the validity status and/or authenticity information of the secure document using the received data and the recorded correspondence. The data received from the sensing device identifies the document identity and a position of the sensing device relative to the document, and is generated by the sensing device sensing coded data contained in at least one tag.








 
 
  Recently Added Patents
Image pickup device with a plurality of pixels and an AD conversion circuit
Engine RPM control device
Visibility radio cap and network
System and method for parallel video processing in multicore devices
Earphone
Dimmer system and damper circuit thereof
Volume compensation within a photovoltaic device
  Randomly Featured Patents
Automatic level measuring and control system for dispensing bin
Method and apparatus for situation recognition using optical information
Convertible crib and twin bed wherein the headboard and footboard are rotated by 90.degree.
Geophone noise reduction method
Bowstring suppression device
First surface mirror with chromium inclusive nucleation layer
Method and system for restoring a motion-blurred image
Solvent extraction refining of petroleum products
Heme supplement and method of using same
Sail propulsion system