* Patents are subject to changes, may be replaced.
Portfolio 24
Solid Acoustics
Patent No.
US11743658, US9107005
Originated by :
US11743658 Tohoku University
Title of Patent: Electrostatic acoustic wave generating device and electrostatic speaker
A central fixed electrode connects a vibrating body and vibrating electrode via a single through-hole
Electrostatic attraction drives both components in unison, moving the outer vibrating body to output sound
Sealed outer layers prevent dust or moisture entry, reducing power consumption and improving overall sound quality
[PDF] Download for full patent information here
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US9107005 Panasonic
Title of Patent: Speaker
Multiple piezoelectric diaphragms are aligned and connected at intervals to increase overall sound reproduction pressure
Adjacent diaphragms feature different physical stiffnesses to safely control individual vibration amplitudes during audio reproduction
Varying diaphragm stiffness reduces peak bending stress on piezoelectric elements, effectively preventing structural speaker damage
Potential Areas of Applications:
AR/VR Wearables
Spatial Audio Headsets
Stereo Audio Systems
Immersive & Ambient Audio
Proposed Schemes:
Assignment basis 8% - 12% equity exchange
Schemes are subject to the business model and are open for discussion.
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