Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Plural or compound reproducers
Reexamination Certificate
2007-10-30
2007-10-30
Le, Huyen (Department: 2615)
Electrical audio signal processing systems and devices
Electro-acoustic audio transducer
Plural or compound reproducers
C381S370000, C381S374000, C379S430000
Reexamination Certificate
active
10865750
ABSTRACT:
An adjustable Bluetooth wireless earphone primarily comprises an earphone body pin-connecting with a link-part at the front upper portion thereof so that the earphone can be rotated in all direction using the link-part as an axis and the link-part connects with a plug-set. The plug-set can co-move with the link-part. When the plug-set plugged the ear of the user, using the feature that the earphone body can be rotated in all direction, so the earphone body can be pressed close to the cheek portion of the user to form an angle between the earphone body and the plug-set, such that the plugged plug-set may stay more tightly on the ear of the user and not drop off easily.
REFERENCES:
patent: 6741719 (2004-05-01), Orten
patent: 6760459 (2004-07-01), Bae
patent: 6819762 (2004-11-01), Jones et al.
Liao Chung-Cheng
Lu Pei-Yu
Tsai Liang-Tan
Global Target Enterprise Inc.
Le Huyen
Rosenberg , Klein & Lee
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