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Richard L. Stuart
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Simpsonville, MD, US
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last 30 patents
Information
Patent Grant
Digital modulation method for standard broadcast FM subcarrier
Patent number
4,660,193
Issue date
Apr 21, 1987
Regency Electronics, Inc.
Jing J. Young
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
High speed data modem using multilevel encoding
Patent number
4,646,305
Issue date
Feb 24, 1987
Case Communications, Inc.
Steven A. Tretter
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Equalization system for modems in a polled arrangement
Patent number
4,489,416
Issue date
Dec 18, 1984
Rixon, Inc.
Richard L. Stuart
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication system providing simultaneous two-way transmission
Patent number
4,380,062
Issue date
Apr 12, 1983
Rixon, Inc.
Richard L. Stuart
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Full duplex communication system for voice grade channels
Patent number
4,355,397
Issue date
Oct 19, 1982
Rixon, Inc.
Richard L. Stuart
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Partial response QAM modem
Patent number
4,123,710
Issue date
Oct 31, 1978
Rixon, Inc.
Richard L. Stuart
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multi-phase and multi-amplitude level modulator and modulation and...
Patent number
3,983,485
Issue date
Sep 28, 1976
Rixon Inc.
Richard L. Stuart
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multi-level digital filter
Patent number
3,946,214
Issue date
Mar 23, 1976
Rixon, Incorporated
Richard L. Stuart
H03 - BASIC ELECTRONIC CIRCUITRY