Spencer Webb, President

U.S. Patents:

(in chronological order)

4,859,944

Single-winding magnetometer with oscillator duty cycle measurement  

A magnetometer having only a single coil winding for sensing the magnetic field along a single axis. Functionally, the invention comprises an oscillator, and means for measuring the duty cycle...

5,039,945 Single winding magnetometer with automatic distortion compensation  

The effects of non-equal saturation spikes in a magnetic oscillator magnetometer utilizing a magnetic core sensing inductor are compensated by adding the average inductor current to both the high...
 
5,124,648 Single winding saturable core magnetometer with field nulling  

A magnetometer having only a single coil winding for sensing the magnetic field along a single axis. Functionally, the invention comprises an oscillator, an integrator, and a voltage-controlled...
 
7,173,571 Portable antenna positioner apparatus and method  

Embodiments of the portable antenna positioner described provide a lightweight, collapsible and rugged antenna positioner for use in receiving low earth orbit, geostationary and geosynchronous...
 
7,362,285 Compact radio frequency transmitting and receiving antenna and control device employing same  

A compact antenna for use in a device for controlling the power delivered to an electric load and operable to transmit or receive radio frequency signals at a specified frequency is presented. The...
 
7,408,525 Compact radio frequency transmitting and receiving antenna and control device employing same  

An antenna operable to transmit or receive radio frequency signals at a specified frequency, the antenna comprising a first printed circuit board comprising a first loop of conductive material...
 
7,432,868 Portable antenna positioner apparatus and method  

A low power, lightweight, collapsible and rugged antenna positioner for use in communicating with geostationary, geosynchronous and low earth orbit satellite. By collapsing, invention may be easily...
 
7,548,216 Compact radio frequency transmitting and receiving antenna and control device employing same  

An antenna operable to transmit or receive radio frequency signals at a specified frequency, the antenna comprising a first printed circuit board comprising a first loop of conductive material...
 
7,573,436 Compact radio frequency transmitting and receiving antenna and control device employing same  

An electrical control device for controlling the status of a controlled electrical device, the electrical control device comprising a power conducting semiconductor device for controlling the...
 
7,692,597 Multi-feed dipole antenna and method  

A multi-feed dipole antenna and method. Provides a volumetrically efficient antenna with wide radiation pattern bandwidth and wide impedance bandwidth that are relatively independent. Driving the...
 
7,889,144

Portable antenna positioner apparatus and method 

A low power, lightweight, collapsible and rugged antenna positioner for use in communicating with geostationary, geosynchronous and low earth orbit satellite...

8,074,890

Wearable data transceiver with coupled antenna

A flexible antenna capacitively coupled to related circuitry components for an active wearable data transceiver electronic location and identification device. Wearable data transceivers (WDXs) are employed as bracelets, badges, and ...

8,068,062

Portable antenna positioner apparatus and method

A low power, lightweight, collapsible and rugged antenna positioner for use in communicating with geostationary, geosynchronous and low earth orbit satellite. By collapsing, invention may be easily carried or shipped in a compact container...

8,193,997

Directional planar log-spiral slot antenna

Directional wide band antenna that may be utilized to enhance cell phone coverage within a building, or for signals intelligence collection (SIGINT). Includes a log-spiral slot antenna with feed-point configured to transfer energy to/from the antenna. Includes an energy absorbent backing and an energy absorbent siding coupled with the log-spiral slot antenna. Includes a cavity behind the log-spiral slot antenna and in front of the energy absorbent backing...

8,451,185

Multi-feed dipole antenna and method

A multi-feed dipole antenna and method. Provides a volumetrically efficient antenna with wide radiation pattern bandwidth and wide impedance bandwidth that are relatively independent. Driving the antenna at multiple locations provides for a half wavelength dipole antenna with a wider frequency range than any other known fat dipole of similar volume...

Published papers:

 

“Antennas for Tactical Tracking and Radiolocation”, Proc. Harnessing Technology to Support the National Drug Control Strategy, ONDCP/CTAC, August 18-21 1997, Chicago, IL, pp15-39 to 15-49

“Antenna Selection and Evaluation for Wireless Video Surveillance”, Proc. 1999 ONDCP International Technology Symposium, ONDCP/CTAC, March 8-10, 1999, Washington DC, pp16-12 to 16-28