Spencer Webb, President

U.S. Patents as named inventor:

(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

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...

8,786,506

Compact portable antenna positioner system and method

9,105,972

Directional Planar Spiral Antenna

Directional wide band antenna that may be utilized to enhance cell phone coverage within a building, and/or for signals intelligence collection (SIGINT). Includes a spiral 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 spiral antenna.

9,665,821

Long-range surface-insensitive passive RFID tag

A passive RFID tag that provides long-range reception, even when mounted on a conductive material or a human body. The antenna of the RFID tag is a loop antenna perpendicular to the mounting surface; it may be formed from a tubular sheet of conductive material to reduce conductive losses. The loop antenna may be formed for example from a stamped metal part with a hollow air core, from a double-sided thick PCB, or from an overlay of conductive ink onto a flexible material.

10,276,939

Through-the-lid pit antenna

A pit antenna assembly includes a node, the node including an antenna, the antenna configured to radiate radio waves; an inner tube defining a first inner tube end and a second inner tube end, the first inner tube end disposed opposite from the second inner tube end, the inner tube defining an inner tube bore extending through the inner tube from the first inner tube end to the second inner tube end, the antenna received within the inner tube bore through the first inner tube end, the inner tube configured to electromagnetically couple energy from the antenna; and a top disc, the top disc connected to the second inner tube end of the inner tube, the top disc configured to radiate the energy from the antenna.

11,342,656

Nozzle cap encapsulated antenna system

A nozzle cap includes a cap body defining a first body end and a second body end, the cap body defining a circumferential wall extending from the first body end towards the second body end; an antenna cover circumferentially overlapping a portion of the circumferential wall, the antenna cover defining an inner cover surface facing the circumferential wall, an antenna cavity defined between the inner cover surface and the portion of the circumferential wall; and an antenna printed circuit board (“PCB”) strip positioned within the antenna cavity, the antenna PCB strip secured in facing engagement with the inner cover surface.

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