Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having a fluid as a conducting element
Reexamination Certificate
2011-07-05
2011-07-05
Nguyen, Tuan D (Department: 2614)
Electrical audio signal processing systems and devices
Electro-acoustic audio transducer
Having a fluid as a conducting element
C381S345000, C181S149000
Reexamination Certificate
active
07974423
ABSTRACT:
A loudspeaker system comprises a cabinet, a speaker unit, a package body, a filler gas, and an absorbent. The speaker unit is mounted in the cabinet. At least one package body is disposed in a vacant space inside of the cabinet and is structured by a bag body for sealing materials thereinto from outside thereof. A predetermined amount of the filler gas is sealed into the package body. A predetermined amount of the absorbent is sealed into the package body and physically absorbs the filler gas.
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European Search Report issued Feb. 3, 2011 in corresponding European Application No. 05780433.
Kano Sawako
Kuze Mitsukazu
Matsumura Toshiyuki
Saiki Shuji
Nguyen Tuan D
Panasonic Corporation
Wenderoth , Lind & Ponack, L.L.P.
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