Patents Assigned to Sagen SA
  • Thermal printing ribbon for an office color printer
    Patent number: 6043833
    Abstract: The invention concerns a thermal printing ribbon for an office printer and bearing a sequence of coloring areas (3-7) that serve to print a picture in at least one printing zone onto a printing support sheet of specified format. The formats of the consecutive coloring areas (3-7) that serve to print a printing zone are substantially sub-multiples of the format of the printing support sheet but significantly different one from another.The invention is appropriate for color printing by thermal transfer.
    Type: Grant
    Filed: July 24, 1998
    Date of Patent: March 28, 2000
    Assignee: Sagen SA
    Inventors: Eric Cavarero, Pascal Boishardy