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Donald K. Belcher
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Rogersville, TN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Real-time locating system and method using timing signal
Patent number
7,212,563
Issue date
May 1, 2007
Wherenet Corp.
Robert W. Boyd
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless local area network with geo-location capability
Patent number
6,987,744
Issue date
Jan 17, 2006
Wherenet Corp.
Timothy C. Harrington
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Interference suppression for wireless local area network and locati...
Patent number
6,892,054
Issue date
May 10, 2005
Wherenet Corp.
Donald K. Belcher
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Geolocation system with controllable tags enabled by wireless commu...
Patent number
6,859,485
Issue date
Feb 22, 2005
Wherenet Corporation
Donald K. Belcher
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Proximity-based magnetic field generator for controlling operation...
Patent number
6,853,687
Issue date
Feb 8, 2005
Wherenet Corp
Timothy C. Harrington
G01 - MEASURING TESTING
Information
Patent Grant
Use of rotating magnetic field to enhance communication with RF bur...
Patent number
6,812,839
Issue date
Nov 2, 2004
Wherenet Corp.
Donald K. Belcher
G01 - MEASURING TESTING
Information
Patent Grant
Composite BPSK/AM-BPSK based spectral suppression of out-of-band en...
Patent number
6,721,369
Issue date
Apr 13, 2004
Wherenet Corp.
Ronald J. Hash
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Low cost DTOA location processing system based on multiple readers-...
Patent number
6,593,885
Issue date
Jul 15, 2003
Wherenet Corp
David S. Wisherd
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Ultra-sensitive magnetic field receiver capable of operating in hig...
Patent number
6,476,719
Issue date
Nov 5, 2002
Wherenet Corp.
Donald K. Belcher
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Spread spectrum baseband modulation of magnetic fields for communic...
Patent number
6,393,045
Issue date
May 21, 2002
Wherenet Corp.
Donald K. Belcher
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Multi-lateration system with automatic calibration and error removal
Patent number
6,380,894
Issue date
Apr 30, 2002
Wherenet Corporation
Robert W. Boyd
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Computer workstation tool for displaying performance estimate of ta...
Patent number
6,366,242
Issue date
Apr 2, 2002
Wherenet Corporation
Robert W. Boyd
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Magnetic field emission and differential receiver coil configuratio...
Patent number
6,268,723
Issue date
Jul 31, 2001
Wherenet Corporation
Ronald J. Hash
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Object identification system employing pulsed magnetic field-stimul...
Patent number
6,170,748
Issue date
Jan 9, 2001
Widata Corporation
Ronald J. Hash
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Distributed network for multi-lateration with circularly polarized...
Patent number
6,127,976
Issue date
Oct 3, 2000
Wherenet, Inc.
Robert W. Boyd
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Radio geo-location system with advanced first received wavefront ar...
Patent number
6,121,926
Issue date
Sep 19, 2000
Wherenet
Donald K. Belcher
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Waveguide with edge grounding
Patent number
6,072,375
Issue date
Jun 6, 2000
Harris Corporation
Calvin L. Adkins
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Adaptive compensation of RF amplifier distortion by injecting predi...
Patent number
6,029,285
Issue date
Feb 29, 2000
Spectrian
Donald K. Belcher
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Radio geo-location system with advanced first received wavefront ar...
Patent number
5,995,046
Issue date
Nov 30, 1999
Widata Corporation
Donald K. Belcher
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Optimization of DC power to effective irradiated power conversion e...
Patent number
5,940,045
Issue date
Aug 17, 1999
Harris Corporation
Donald K. Belcher
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Radio location system for precisely tracking objects by RF transcei...
Patent number
5,920,287
Issue date
Jul 6, 1999
Widata Corporation
Donald K. Belcher
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Adaptive compensation of RF amplifier distortion by injecting predi...
Patent number
5,892,397
Issue date
Apr 6, 1999
Spectrian
Donald K. Belcher
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Baseband measurement of RF power amplifier distortion
Patent number
5,789,927
Issue date
Aug 4, 1998
Spectrian
Donald K. Belcher
G01 - MEASURING TESTING
Information
Patent Grant
Fully integrated data receiver and method for receiving on/off keye...
Patent number
5,774,502
Issue date
Jun 30, 1998
Harris Corporation
Donald K. Belcher
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Low cost wide area network for data communication using outbound me...
Patent number
5,765,112
Issue date
Jun 9, 1998
Flash Comm. Inc.
Brendan T. Fitzgerald
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Feed-forward correction loop with adaptive predistortion injection...
Patent number
5,760,646
Issue date
Jun 2, 1998
Spectrian
Donald K. Belcher
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Remote initiated messaging apparatus and method in a two way wirele...
Patent number
5,734,963
Issue date
Mar 31, 1998
Flash Comm, Inc.
Brendan T. Fitzgerald
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Circuit for automatically biasing RF power transistor by use of on-...
Patent number
5,710,519
Issue date
Jan 20, 1998
Spectrian
William H. McCalpin
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Proximity monitoring apparatus employing encoded, sequentially gene...
Patent number
5,661,459
Issue date
Aug 26, 1997
Harris Corporation
Donald K. Belcher
G08 - SIGNALLING
Information
Patent Grant
Low impedance loop antenna and drive circuitry
Patent number
5,659,325
Issue date
Aug 19, 1997
Harris Corporation
Donald K. Belcher
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
USE OF ROTATING MAGNETIC FIELD TO ENHANCE COMMUNICATION WITH RF BUR...
Publication number
20040203361
Publication date
Oct 14, 2004
WHERENET CORP
Donald K. Belcher
G01 - MEASURING TESTING
Information
Patent Application
Real-time locating system and method using timing signal
Publication number
20020181565
Publication date
Dec 5, 2002
WHERENET CORP
Robert W. Boyd
G01 - MEASURING TESTING
Information
Patent Application
ULTRA-SENSITIVE MAGNETIC FIELD RECEIVER CAPABLE OF OPERATING IN HIG...
Publication number
20020135479
Publication date
Sep 26, 2002
WHERENET CORP
Donald K. Belcher
B60 - VEHICLES IN GENERAL
Information
Patent Application
Wireless local area network with geo-location capability
Publication number
20020118655
Publication date
Aug 29, 2002
WHERENET CORP
Timothy C. Harrington
G01 - MEASURING TESTING
Information
Patent Application
Geolocation system with controllable tags enabled by wireless commu...
Publication number
20020094012
Publication date
Jul 18, 2002
Wherenet Corporation
Donald K. Belcher
G01 - MEASURING TESTING
Information
Patent Application
Interference suppression for wireless local area network and locati...
Publication number
20020086640
Publication date
Jul 4, 2002
WHERENET CORP
Donald K. Belcher
G01 - MEASURING TESTING
Information
Patent Application
Proximity-based magnetic field generator for controlling operation...
Publication number
20020077710
Publication date
Jun 20, 2002
Timothy C. Harrington
G01 - MEASURING TESTING
Information
Patent Application
Low cost DTOA location processing system based on multiple readers-...
Publication number
20020039080
Publication date
Apr 4, 2002
Wherenet Corp
David S. Wisherd
G01 - MEASURING TESTING
Information
Patent Application
Local clock-referenced DTOA geolocation system with wireless infras...
Publication number
20010030625
Publication date
Oct 18, 2001
Daniel T. Doles
G01 - MEASURING TESTING