Electrical audio signal processing systems and devices – Voice controlled
Reexamination Certificate
2011-04-19
2011-04-19
Chin, Vivian (Department: 2614)
Electrical audio signal processing systems and devices
Voice controlled
C381S328000, C455S412100
Reexamination Certificate
active
07929713
ABSTRACT:
Ear-level full duplex audio communication systems each include one or two ear attachment devices, such as in-the-ear (ITE) or behind-the-ear (BTE) devices, that wirelessly communicates to a remote device such as a computer, a personal digital assistant (PDA), a cellular phone, a walkie talkie, or a language translator. When used as a hearing aid, such a system allows a hearing impaired individual to communicate with or through the remote device, such as to talk to another person through a cellular phone. When being used as an ear piece wirelessly extended from the remote device, such system allows an individual with normal hearing to privately communicate with or through the remote device without the need of holding the device or wearing any device wired to the remote device. Each ear attachment device includes a voice operated exchange (VOX), housed within the device, to preserve energy and hence, maximize the period between battery replacement or recharges. The VOX also gates various sounds detected by the system to control possible echoes and ringing.
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Bradley J. Virgil
Preves David A.
Victorian Thomas A.
Chin Vivian
Lao Lun-See
Schwegman Lundberg & Woessner, P.A.
Starkey Laboratories, Inc.
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