Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Reexamination Certificate
2004-09-14
2008-12-23
Urban, Edward (Department: 2618)
Telecommunications
Receiver or analog modulated signal frequency converter
Signal selection based on frequency
C455S552100, C455S553100, C455S180100, C455S188100, C343S858000, C343S767000, C343S7000MS, C333S126000, C333S129000
Reexamination Certificate
active
07469131
ABSTRACT:
A terminal is provided for selectively communicating in at least two frequency bands. The terminal includes an antenna transducer including a first port and a second port, where the antenna transducer is capable of selectively transducing first radio signals (e.g., low power radio frequency (LPRF) signals) to and/or from the first port, and/or second radio signals (e.g., global positioning system (GPS) signals) to and/or from the second port. In this regard, the antenna transducer is capable of transducing first radio signals such that an impedance at the second port approaches a short circuit or an open circuit, and capable of transducing second radio signals such that an impedance at the first port approaches an open circuit. An associated communication assembly and method for selectively communicating in at least two frequency bands are also provided.
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SkyCross Announces New 800 MHz-2.5GHz Antenna For Telematics and Other Wireless Applications; Apr. 2001; 2 pages; available at <http://www.bbwexchange.com
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Hutcheson George
Nail David
Alston & Bird LLP
Chen Junpeng
Nokia Corporation
Urban Edward
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