×

Smart electronic label employing electronic ink

  • US 6,924,781 B1
  • Filed: 09/10/1999
  • Issued: 08/02/2005
  • Est. Priority Date: 09/11/1998
  • Status: Expired due to Term
First Claim
Patent Images

1. A smart electronic label suitable for displaying information in connection with a mammal, non-mammal, an item or location, said label providing a combination comprisinga display assembly including electronic ink comprising arrangement of microcapsules disposed on a support, each microcapsule having disposed therein an electrophoretic composition of a fluid and a suspension of particles, one or more antennas for sending or receiving signals corresponding to one of instructions, programs, data or selected indicia to be displayed by said display assembly through said electronic ink which comprising a bi-stable non-volatile imaging material, a storage element in circuit with said one or more antennas for storing said instructions, programs, data and indicia, and one or more processors in circuit with said display assembly, said storage element and said antenna for intelligently determining said indicia to be displayed by said display assembly, for controlling and coordinating operation of the label, and for generating output signals for instructing the display assembly to display the indicia through said bi-stable, non volatile imaging material said combination being operatively operable a) through operation of said one or more antennas, to activate said bi-stable, non-volatile imaging material independent of any power source on said label, b) to cause said bi-stable, non-volatile imaging material to provide enduring activation thereof independent of maintenance of said signals, and c) said signal activated bi-stable, non-volatile imaging material providing a display related to the intended function of said label, and allowing said display to remain visible and stable.

View all claims
  • 6 Assignments
Timeline View
Assignment View
    ×
    ×