Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Plural or compound reproducers
Reexamination Certificate
2008-05-13
2008-05-13
Ni, Suhan (Department: 2614)
Electrical audio signal processing systems and devices
Electro-acoustic audio transducer
Plural or compound reproducers
C381S370000
Reexamination Certificate
active
10934726
ABSTRACT:
The present invention provides a headphone with cord winder devices that are capable of winding up a bridging cord between one (left) headphone assembly and the other (right) headphone assembly. The headphone comprises one (left) headphone assembly accommodating, in one (left) headphone housing corresponding to one of the left and right ear, a speaker and a cord winder device for winding up an input cord for connecting to audio-video equipment; and the other (right) headphone assembly accommodating, in the other (right) headphone housing corresponding to the other of the left and right ear, a speaker and a cord winder device for winding up a bridging cord for bridging the left headphone housing and the right headphone housing.
REFERENCES:
patent: 6480611 (2002-11-01), Hashimoto et al.
patent: 6728388 (2004-04-01), Nageno et al.
patent: 7184565 (2007-02-01), Ohta
patent: 2002-010385 (2002-01-01), None
Commercial Catalog published Sep. 9, 2003 in Japan for Victor, JVC.
Shirai Tatsuro
Tanaka Masaaki
Usui Fumio
Yanagishita Yuuji
Meyer Jerald L.
Moffa Matthew J.
Ni Suhan
The Nath Law Group
Victor Company of Japan , Limited
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