Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2007-07-31
2011-11-15
Pérez-Gutiérrez, Rafael (Department: 2617)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S575100, C455S575200, C455S575300, C455S575600, C455S556100, C381S367000, C381S369000, C381S384000
Reexamination Certificate
active
08060149
ABSTRACT:
A system includes a portable transmitting unit and at least one portable receiving unit in wireless communication therewith. The receiving unit has at least one receiver positioned within a user ear and at least one microphone. A mechanism removably secures the receiving unit to the user ear, and a mechanism removably attaches the transmitting unit to a user body part. A mechanism protects the transmitting unit from damage caused by harsh environmental conditions and is removably attached to the transmitting unit.
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patent: 2006/0121950 (2006-06-01), Lee
Bell, Jr. Roy
Louis Cynthia
Kirk Lameka J.
Perez-Gutierrez Rafael
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