Bluetooth earphone set with wire control function

Details Bluetooth earphone set with wire control function Bluetooth earphone set with wire control function

2006-03-17

2010-02-16

Bhattacharya, Sam (Department: 2617)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S090100

Reexamination Certificate

active

07664540

ABSTRACT:
A Bluetooth earphone set, which includes a main unit that houses an auto-reversible first winding mechanism and an auto-reversible second winding mechanism, an earphone cable coupled to the auto-reversible first winding mechanism for voice output, a signal connector cable coupled to the auto-reversible second winding mechanism and connectable to a cell phone, a switch, which is switched between a first position for enabling the earphone cable to output voice signal that is received wirelessly from a cell phone by the main unit and a second position for enabling the earphone to output voice signal that is received from a cell phone through the signal connector cable.

REFERENCES:
patent: 7542721 (2009-06-01), Bonner et al.
patent: 2003/0142817 (2003-07-01), Liao

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