Portable piezoelectric speaker and electronic device having the same
First Claim
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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, andwherein 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.
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Abstract
Disclosed is a portable piezoelectric speaker including a body configured to be coupled to and separated from a rear surface of an electronic device, and a piezoelectric speaker module coupled to a predetermined area of the body, wherein the piezoelectric speaker module includes a piezoelectric device, and a vibration transfer member provided to be in contact with at least one area of the piezoelectric device and to be spaced apart from at least one surface of the piezoelectric device.
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Citations
22 Claims
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1. A portable piezoelectric speaker comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 13, 14, 15, 16, 17, 21, 22)
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10. The portable piezoelectric speaker of claimer 8, the power supplying part comprises,
a first connector connected with an external power terminal, a battery charged by power supplied through the first connector, a power amplification part configured to amplify power of the battery, and a connection line configured to supply power amplified through the power amplification part to the piezoelectric speaker module.
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18. An electronic device comprising a piezoelectric speaker module coupled to a rear surface thereof,
wherein the piezoelectric speaker module comprises a piezoelectric device, and a vibration transfer case which is in contact with at least one area of the piezoelectric device and spaced apart from at least one surface of the piezoelectric device, and 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.
Specification