4. Recording, communication, or information retrieval equipment
  5. Video or audio transmission, recording or playback equipment
  6. Speaker or housing therefor

Chun-I Liu

Inventor

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Details

Inventor

active

Speaker

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Speaker or housing therefor
Patent

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Structure of speaker

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

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Structure of speaker

Acoustics – Diaphragm – Mounting or suspension means
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1330828

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