Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Plural or compound reproducers
Reexamination Certificate
2011-08-09
2011-08-09
Ensey, Brian (Department: 2614)
Electrical audio signal processing systems and devices
Electro-acoustic audio transducer
Plural or compound reproducers
C381S380000, C381S384000
Reexamination Certificate
active
07995783
ABSTRACT:
To assist headphones and headphone cords from becoming tangled, a connection source is made part of a first speaker enclosure and a connection target is made part of a second speaker enclosure.
REFERENCES:
patent: 7436974 (2008-10-01), Harper
patent: 2001/0001445 (2001-05-01), Gallien
Ikeda John
Kaneko Steve
Ledbetter Carl
Maruska Josh
Ensey Brian
Microsoft Corporation
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