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POSITION INFORMATION INPUT SYSTEM

  • US 20150138166A1
  • Filed: 04/22/2014
  • Published: 05/21/2015
  • Est. Priority Date: 11/18/2013
  • Status: Active Grant
First Claim
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1. A position information input system, comprising:

  • a signal generating device formed to have a pen shape, and configured to generate an ultrasonic signal and a reference signal; and

    a signal receiving device configured to generate position information by measuring a position of the signal generating device by receiving the ultrasonic signal and the reference signal from the signal generating device, or configured to generate position measuring information used to measure a position of the signal generating device by receiving the ultrasonic signal and the reference signal from the signal generating device, and to transmit the position information or the position measuring information to an external electronic device,wherein a coupling unit, configured to couple the signal generating device to the signal receiving device, is formed at a housing of the signal receiving device.

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