Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2007-07-31
2007-07-31
Feild, Joseph (Department: 2617)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S073000, C455S575100, C455S575200, C455S575600
Reexamination Certificate
active
10472657
ABSTRACT:
A reproduction-receiver part is provided for use in a headset system, wherein parts are provided for wireless reception of audio signals from a mobile radio telephone network and a loudspeaker for acoustic reproduction of the signals.
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patent: 5490213 (1996-02-01), Huang
patent: 5590417 (1996-12-01), Rydbeck
patent: 5721783 (1998-02-01), Anderson
patent: 6078825 (2000-06-01), Hahn et al.
patent: 0 626 773 (1994-11-01), None
patent: 0 713 316 (1996-05-01), None
patent: WO 96/21307 (1996-07-01), None
patent: WO 98/26513 (1998-06-01), None
Bell Boyd & Lloyd LLP
Feild Joseph
Nguyen Khai
Siemens Aktiengesellschaft
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