4. Data processing: measuring, calibrating, or testing
  5. Measurement system
  6. Measured signal processing

Technofirst

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Active sound attenuation device to be arranged inside a...

Electrical audio signal processing systems and devices – Acoustical noise or sound cancellation – Within duct
Reexamination Certificate

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Device for detecting and locating fluid leaks

Measuring and testing – With fluid pressure – Leakage
Patent

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Device for fixing a sound-proofing panel on a wall

Static structures (e.g. – buildings) – With exposed configuration having acoustical function
Reexamination Certificate

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Linear loudspeaker

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electromagnetic
Reexamination Certificate

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Method and device for hybrid active attenuation of...

Electrical audio signal processing systems and devices – Acoustical noise or sound cancellation – Counterwave generation control path
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Profile ID: LFUS-PAI-P-705898

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