Patent ID: 9699568
Date: 2017-07-04
CPC Classifications: H01L,H04R

Claim:
1. A portable piezoelectric speaker comprising: a body coupled to and separated from a rear surface of an electronic device and having an opening defined in a predetermined area thereof; a piezoelectric speaker module inserted into and coupled to the opening, wherein the piezoelectric speaker module comprises a piezoelectric device; and a vibration transfer case in contact with at least one area of the piezoelectric device and spaced apart from at least one surface of the piezoelectric device, wherein the vibration transfer case comprises a base spaced apart from one surface of the piezoelectric device, and a coupling part protruding from one surface of the base to one side and accommodating the piezoelectric device therein, and wherein the base having a size greater than that of the opening is in contact with a rear surface of the body, the base protruding further than the rear surface of the body.