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Smart resonating pen

  • US 10,088,922 B2
  • Filed: 06/26/2015
  • Issued: 10/02/2018
  • Est. Priority Date: 11/26/2014
  • Status: Active Grant
First Claim
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1. A resonating pen having a plurality of resonance frequencies, the resonating pen comprising:

  • a first circuit segment comprising an inductor for the plurality of resonance frequencies;

    a second circuit segment comprising a plurality of transistors, each of the plurality of transistors comprising a transistor state;

    a third circuit segment comprising a controller, the controller configured to alter the transistor state of the plurality of transistors to change the resonating pen to a first resonance frequency of the plurality of resonance frequencies; and

    a switch configured to trigger the controller to alter the transistor state of the plurality of transistors,wherein the resonating pen is configured to passively transmit a synchronization signal to an input device prior to transmitting data to the input device,wherein passively transmitting a synchronization signal comprises being, for a predefined length of time, in a second resonance frequency of the plurality of resonance frequencies, andwherein the resonating pen is a passive pen.

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