Telecommunications – Radiotelephone system – Special service
Reexamination Certificate
2005-02-02
2009-02-24
Sobutka, Philip J (Department: 2618)
Telecommunications
Radiotelephone system
Special service
C455S041200, C455S127500, C455S574000, C455S343100, C455S445000
Reexamination Certificate
active
07496358
ABSTRACT:
A second communication device is detected in proximity to a first communication device engaged in a call. A substantially uninterrupted transfer of the call is provided from the first communication device to the second communication device. At least a part of the first communication device is placed into a sleep mode in response to transfer of the call to the second communication device.
REFERENCES:
patent: 2002/0085516 (2002-07-01), Bridgelall
patent: 2003/0003900 (2003-01-01), Goss et al.
patent: 2003/0037110 (2003-02-01), Yamamoto
patent: 2003/0073431 (2003-04-01), Dorenbosch
Levien Royce A.
Malamud Mark A.
Rinaldo, Jr. John D.
Searete LLC
Sobutka Philip J
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