4. Electrical audio signal processing systems and devices
  5. Electro-acoustic audio transducer
  6. Microphone capsule only

Siebe Bouwstra

Inventor

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active

Micro-electro-mechanical system (MEMS) variable capacitor...

Active solid-state devices (e.g. – transistors – solid-state diode – Responsive to non-electrical signal – Physical deformation
Reexamination Certificate

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Micromechanical microphone

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having electrostatic element
Patent

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Solid state silicon-based condenser microphone

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only
Patent

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Solid state silicon-based condenser microphone

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only
Reissue Patent

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Profile ID: LFUS-PAI-P-780164

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