Back to results
US 12,647,709 B2Granted
Gradual vibration speaker
AssigneeEstec Corporation
InventorJeong Wook Kim
Life of this patent
Estimating the term…
Abstract
The present invention comprises: a magnetic circuit module forming a magnetic gap; a voice coil part which is disposed in the magnetic gap and vibrates along a vibration axis; and an excitation module which is connected to the voice coil part and includes a shaft extending along the vibration axis, wherein the volume of a speaker is minimized and the position relative to a vibrated object can be changed to select the desired sound quality.
Claims11
A point vibration speaker comprising:
- a magnetic circuit module forming a magnetic gap;
- a voice coil unit disposed in the magnetic gap to vibrate along a vibration axis;
- and
- an excitation module connected to the voice coil unit, the excitation module including a shaft extending along the vibration axis,
- wherein the excitation module further comprises a supporter connected to the shaft and the voice coil unit, and
- wherein the supporter comprises:
- a voice coil coupler coupled to the voice coil unit;
- a shaft coupler coupled to the shaft;
- and
- an extension portion connected to the voice coil coupler and the shaft coupler.
7 more elements
Dependencies are inferred from the claim text.