Rixon, Inc.
Records under this name other than patents Rixon, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 3,946,214 | Multi-level digital filter Term ended Term ended no later than Mar 23, 1996 · Low confidence | Term ended | Term ended no later than Mar 23, 1996 | Low confidence |
| US 3,983,485 | Multi-phase and multi-amplitude level modulator and modulation and demodulation methods Term ended Term ended no later than Sep 28, 1996 · Low confidence | Term ended | Term ended no later than Sep 28, 1996 | Low confidence |
| US 3,984,778 | Carrier recovery scheme for a SSB-SC signal Term ended Term ended no later than Oct 5, 1996 · Low confidence | Term ended | Term ended no later than Oct 5, 1996 | Low confidence |
| US 4,042,884 | Phase demodulator with offset frequency reference oscillator Formerly held Term ended Term ended no later than Aug 16, 1997 · Low confidence | Term ended | Term ended no later than Aug 16, 1997 | Low confidence |
| US 4,054,838 | QAM phase jitter and frequency offset correction system Term ended Term ended no later than Oct 18, 1997 · Low confidence | Term ended | Term ended no later than Oct 18, 1997 | Low confidence |
| US 4,123,710 | Partial response QAM modem Term ended Term ended no later than Oct 31, 1998 · Low confidence | Term ended | Term ended no later than Oct 31, 1998 | Low confidence |
| US 4,355,397 | Full duplex communication system for voice grade channels Formerly held Term ended Term ended no later than Oct 19, 2002 · Low confidence | Term ended | Term ended no later than Oct 19, 2002 | Low confidence |
| US 4,380,062 | Communication system providing simultaneous two-way transmission Formerly held Term ended Term ended no later than Apr 12, 2003 · Low confidence | Term ended | Term ended no later than Apr 12, 2003 | Low confidence |
| US 4,489,416 | Equalization system for modems in a polled arrangement Formerly held Term ended Term ended no later than Dec 18, 2004 · Low confidence | Term ended | Term ended no later than Dec 18, 2004 | Low confidence |
| US 4,555,667 | Synchronous digital QPSK demodulator with carrier error correction Formerly held Term ended Term ended no later than Nov 26, 2005 · Low confidence | Term ended | Term ended no later than Nov 26, 2005 | Low confidence |