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AUDIENCE RATING SURVEY APPARATUS AND AUDIENCE RATING SURVEY SYSTEM USING THE SAME

  • US 20170332138A1
  • Filed: 07/29/2016
  • Published: 11/16/2017
  • Est. Priority Date: 05/13/2016
  • Status: Active Grant
First Claim
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1. A display device for audience rating survey comprising:

  • a power supply unit configured to be synchronized with a power supply unit of a surveying target equipment;

    a receiving unit configured to receive a signal for a viewing entity;

    a light emitting unit comprising a plurality of light emitting elements configured to emit light according to the signal received;

    a storage unit configured to match the signal received and each of the plurality of light emitting elements and store the matched result;

    a control unit configured to allow a matched light emitting element to emit light according to the received signal received; and

    a transmitting unit configured to transmit information for the light emitting element, which is emitting the light, to an external device.

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