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US 6,548,940 B1Granted
Speaker
AssigneeMurata Manufacturing Co., Ltd.
InventorYoshiaki Heinouchi
Life of this patent
Estimating the term…
Abstract
A speaker is constructed such that a vibrator contained therein is easily positioned, and peeling of the vibrator from a cushioning material provided on a supporting member which supports the vibrator is prevented. A rim of a metal plate which defines the vibrator, and a portion of a first main surface of the metal plate located near the rim clip into a step provided in the cushioning material, which is secured to the supporting member. Furthermore, an adhesive member and the cushioning material are arranged to extend on a second main surface of the metal plate.
Claims18
A speaker comprising:
- a vibrator including a first piezoelectric element, a second piezoelectric element and a metal plate having a rim and a first main surface and a second main surface, the first piezoelectric element being mounted on the first main surface of the metal plate and the second piezoelectric element being mounted on the second main surface of the metal plate;
- a supporting member having a step portion defined in a surface thereof and arranged to support the vibrator;
- and
- a cushioning member having a step portion defined in a surface thereof, the cushioning member being secured in the step portion of the supporting member;
- wherein
- the metal plate is affixed to the cushioning member and the vibrator is secured to the supporting member, the rim of the metal plate and a portion of the first surface of the metal plate located near the rim are secured in the step portion of the cushioning member via an adhesive member provided in the step portion of the cushioning member.
3 more elements
A speaker comprising:
- a vibrator including a first piezoelectric element, a second piezoelectric element and a metal plate and a first main surface and a second main surface, the first piezoelectric element being mounted on the first main surface of the metal plate and the second piezoelectric element being mounted on the second main surface of the metal plate;
- a supporting member having a step portion defined in a surface thereof and arranged to support the vibrator;
- and
- a cushioning member having a step portion defined in a surface thereof, the cushioning member being secured in the step portion of the supporting member;
- wherein
- the metal plate is affixed to the cushioning member and the vibrator is secured to the supporting member, a portion of the metal plate is secured in the step portion of the cushioning member via an adhesive member provided in the step portion of the cushioning member.
3 more elements
Dependencies are inferred from the claim text.