Passive acoustic radiating

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having acoustic wave modifying structure

Reexamination Certificate

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Details

C381S160000, C381S182000, C381S335000, C381S386000

Reexamination Certificate

active

08031896

ABSTRACT:
An audio device has passive radiators that are driven by acoustic drivers. The passive radiators are arranged so that the net mechanical vibration is minimized.

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