Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Plural or compound reproducers
Reexamination Certificate
2006-03-07
2006-03-07
Tran, Sinh (Department: 2646)
Electrical audio signal processing systems and devices
Electro-acoustic audio transducer
Plural or compound reproducers
C381S376000
Reexamination Certificate
active
07010139
ABSTRACT:
A bone conducting headset apparatus (10) that includes a pair of speaker/microphone members (30) (30) mounted at the juncture of a head strap (21) and a neck strap (22) provided with a spring biasing member (23) wherein, the speaker/microphone members (30) (30) are operatively connected to an electronic control member (40) that is provided with means (46) for selectively attaching the electronic control member (40) to a desired article of the user's clothing wherein, the electronic control member (40) is provided with PTT technology, as well as, high noise cut-off (44) directional hearing (48) (48) and selective communication features (42).
REFERENCES:
patent: 4791673 (1988-12-01), Schreiber
patent: 5511132 (1996-04-01), Yoshimi
patent: 6456721 (2002-09-01), Fukuda
patent: 11-215581 (1999-08-01), None
Ensey Brian
Sturm & Fix LLP
Tran Sinh
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