Patent ID: 11868544
Assignee: SHARP NEC DISPLAY SOLUTIONS, LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 15:
16. A system comprising:
a plurality of electronic writing tools, each of the plurality of electronic writing tools being configured to write a respective object on a display image;
wherein each of the plurality of electronic writing tools comprises;
a supporter having a tip end and a rear end;
a light-emitting unit located at the tip end, the light-emitting unit being configured to emit light in writing of an object on a display image; and
a sensor located at the tip end, the sensor and next to the light-emitting unit, the sensor being configured to detect a respective set of relative positions to other electronic writing tools of the plurality of electronic writing tool, the relative positions are relative to the electronic writing tools in the writing of the object on the display image.