System and method for receiving call signals in a...

Multiplex communications – Communication techniques for information carried in plural... – Combining or distributing information via time channels

Reexamination Certificate

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C375S366000

Reexamination Certificate

active

07848363

ABSTRACT:
A system and method for dynamically altering detection criterion value at a receiving device based on the portion of a call signal being received. A receiving device is configured to extract a first call signal portion from the call signal, and compare the first call signal portion to a plurality of call information portions, wherein each call information portion has a detection criterion value. If the first call signal portion matches one of the call information portions, the receiving device adjusts the detection criterion value for at least one of the plurality of call information portions, extracts a second call signal portion from the call signal, and compares the second call signal portion to the plurality of call information portions.

REFERENCES:
patent: 5799050 (1998-08-01), Morita
patent: 6424673 (2002-07-01), Chen
patent: 6516199 (2003-02-01), Soderkvist et al.
patent: 7224751 (2007-05-01), Fulli
patent: 2003/0210756 (2003-11-01), Ito
patent: 2000-151551 (2000-05-01), None
patent: 10-2002-00777986 (2002-10-01), None
PCT Search Report Dated Nov. 26, 2009.

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