Back to results
US 12,403,719 B2Granted
Efficient ink erasure system
AssigneesSociete BIC, BIC Violex Single Member S.A.
InventorsNikolaos Chrysanthakopoulos, Guillaume Caffier
Life of this patent
Estimating the term…
Abstract
A system comprises a writing instrument. The writing instrument comprises an ink, wherein the ink comprises a coloring agent and a bonding agent. The adhesiveness of the bonding agent can be altered by applying a voltage or a voltage and a current. Further, the system comprises a writing surface comprising a first electrode and a second electrode or a writing surface comprising a first electrode and an erasing tool comprising a second electrode.
Claims17
A system comprising:
- a writing instrument comprising an ink,
- wherein the ink comprises a coloring agent and a bonding agent,
- wherein an adhesiveness of the bonding agent can be altered by applying a voltage or a voltage and a current;
- a writing surface comprising a first electrode;
- and
- an erasing tool comprising a second electrode.
3 more elements
A system comprising:
- a writing instrument comprising an ink,
- wherein the ink comprises a coloring agent and a bonding agent, and
- wherein an adhesiveness of the bonding agent can be altered by applying a voltage or a voltage and a current;
- and
- a writing surface comprising a first electrode and a second electrode,
- wherein the writing surface comprises a multiplicity of first electrodes and second electrodes, wherein the multiplicity of first electrodes and second electrodes are configured to apply either voltage or voltage and current to at least a part of the writing surface, and wherein the multiplicity of first electrodes and second electrodes include micropins distributed in the writing surface.
3 more elements
Dependencies are inferred from the claim text.