Vocal Technologies, Ltd.
Records under this name other than patents Vocal Technologies, Ltd. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 9 of 9 · Back to Vocal Technologies, Ltd.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,848,073 | Trellis encoding technique for PCM modems Lapsed on the fee record Ended Jan 25, 2009 · From the USPTO record | Lapsed on the fee record | Ended Jan 25, 2009 | From the USPTO record |
| US 6,067,034 | Maximal bit packing method Lapsed on the fee record Ended May 23, 2008 · From the USPTO record | Lapsed on the fee record | Ended May 23, 2008 | From the USPTO record |
| US 6,643,270 | Method of compensating for systemic impairments in a telecommunications network Lapsed on the fee record Ended Nov 4, 2007 · From the USPTO record | Lapsed on the fee record | Ended Nov 4, 2007 | From the USPTO record |
| US 6,633,604 | Method of improving echo canceller training in modems and of discovering characteristics of a PCM channel Lapsed on the fee record Ended Oct 14, 2007 · From the USPTO record | Lapsed on the fee record | Ended Oct 14, 2007 | From the USPTO record |
| US 6,480,549 | Method for determining attenuation in a digital PCM channel Lapsed on the fee record Ended Nov 12, 2006 · From the USPTO record | Lapsed on the fee record | Ended Nov 12, 2006 | From the USPTO record |
| US 6,327,301 | Detection and adaptation to digital network impairments by PCM modems Lapsed on the fee record Ended Dec 4, 2005 · From the USPTO record | Lapsed on the fee record | Ended Dec 4, 2005 | From the USPTO record |
| US 6,301,683 | Trellis encoding technique for PCM modems Lapsed on the fee record Ended Oct 9, 2005 · From the USPTO record | Lapsed on the fee record | Ended Oct 9, 2005 | From the USPTO record |
| US 6,222,890 | Variable spectral shaping method for PCM modems Lapsed on the fee record Ended Apr 24, 2005 · From the USPTO record | Lapsed on the fee record | Ended Apr 24, 2005 | From the USPTO record |
| US 5,086,454 | Direct connect modem deriving power from telephone line Term ended Term ended no later than Feb 4, 2012 · Low confidence | Term ended | Term ended no later than Feb 4, 2012 | Low confidence |