Patents Assigned to Mantegazza Antonio Arti Grafiche S.r.l.
  • Security strip with optical and magnetic information, insertable in documents in general
    Patent number: 6126076
    Abstract: A security strip with optical and magnetic information and with conductive properties which can be inserted in documents in general, comprising, on a single backing film, magnetic bars with coded information, elements which can be detected optically at least against the light, and an electrically conductive layer which can be detected by capacitive circuits. The magnetic bars and the optically detectable elements are arranged mutually in register with no tolerance.
    Type: Grant
    Filed: October 22, 1998
    Date of Patent: October 3, 2000
    Assignee: Mantegazza Antonio Arti Grafiche S.r.l.
    Inventor: Maurizio Lazzerini
  • Document with anti-counterfeiting means to prevent reproducibility by photocopying
    Patent number: 5868432
    Abstract: A document with anti-counterfeiting means to prevent reproducibility by photocopying, having a sheet-like element that has, on its face, at least one region whereon an image that is visible or not visible in the visible-light range is printed and has, on the back, in register with the image provided on the face, the same image, printed with an ink that is not visible in the visible-light range.
    Type: Grant
    Filed: July 17, 1996
    Date of Patent: February 9, 1999
    Assignee: Mantegazza Antonio Arti Grafiche S.r.l.
    Inventor: Walter Mantegazza
  • Anticounterfeit security device . . . including two security elements
    Patent number: 5583631
    Abstract: An anti-counterfeit security device for documents in general in the form of a tape-like or filament-like supporting element made of polyester. On the tape or filament, a first security element is provided which can be detected by devices and is constituted by regions made of a material which can be detected by magnetoresistors and are arranged in succession to generate a signal that can be decoded by the magnetoresistors, and a second security element is also provided, visually detectable in transmitted light, which is constituted by portions of the regions that are free from the magnetoresistor-detectable material in order to form graphic markings optically perceivable in transmitted light.
    Type: Grant
    Filed: December 8, 1995
    Date of Patent: December 10, 1996
    Assignee: Mantegazza Antonio Arti Grafiche S.r.l.
    Inventor: Maurizio Lazzerini
  • Magnetic ink medium and corresponding reading unit, and method for using same
    Patent number: 5196681
    Abstract: The magnetic ink medium includes a plurality of magnetic regions which have diversifiable magnetic intensity and are mutually separated by spaces. At least one first part of the regions has a magnetic coercivity which differs from the remaining regions of the plurality of regions, in order to obtain at least two different readouts of the same plurality of regions upon applying different magnetic fields for orientating the plurality of regions.
    Type: Grant
    Filed: November 27, 1989
    Date of Patent: March 23, 1993
    Assignee: Mantegazza Antonio Arti Grafiche S.r.l.
    Inventor: Antonio Mantegazza