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Earphone

  • US 10,397,685 B2
  • Filed: 06/08/2016
  • Issued: 08/27/2019
  • Est. Priority Date: 06/17/2015
  • Status: Active Grant
First Claim
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1. An earphone comprising:

  • a first vibration plate for vibration by a first piezoelectric element; and

    a casing disposed with the first vibration plate, for transmitting to an ear canal cartilage the vibration of the first vibration plate, whereinthe casing has a cylindrical shape and is inserted into an ear canal,the first vibration plate is disposed within the casing,the casing comprises a plate-shaped supporting member arranged radially as viewed extending along a radial direction in a cross section of the cylindrical shape of the casing, the supporting member being arranged at an end of the casing, the end of the casing being located forward in a direction in which the casing is inserted into the ear canal, andone end of the first vibration plate connects to the supporting member, and the first vibration plate is disposed along an axis of the cylindrical shape of the casing.

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