4. Acoustics
  5. Sound-modifying means
  6. Housing or enclosure

Ikuo Chatani

Inventor

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Diaphragm for a capacitance type loudspeaker

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

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Speaker cabinet

Acoustics – Sound-modifying means – Housing or enclosure
Patent

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Speaker-use protection element and speaker device

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having protective or sheilding feature
Reexamination Certificate

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Profile ID: LFUS-PAI-P-686366

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