Abstract: A system is described that includes a transmitter for generating a magnetic field comprising a first detection region and a second detection region, wherein the first detection region is different than the second detection region. The system comprises a receiver configured to detect at a location of the receiver in the magnetic field a magnetic field vector, a polarity, and at least one additional vector. The system comprises the receiver configured to use the magnetic field vector, the polarity, and the at least one additional vector to determine a position of the receiver in the magnetic field.

Abstract: A method is described herein that comprises providing through an electronic interface a simulated environment. The method includes representing a product within the simulated environment. The method includes representing use of the product within the simulated environment, wherein the represented product mimics an appearance and an operation of a corresponding physical product. The method includes providing one or more peripheral input devices for manipulating objects represented in the simulated environment, wherein the objects include the represented product. The method includes evaluating the manipulating of the represented product according to at least one criterion.

Abstract: A method described herein includes describing a load current with a discrete time function. The method includes using a first frequency and a second frequency to provide an approximation of the described load current, wherein a transform applied to the discrete time function identifies the first frequency and the second frequency. The method includes estimating a loop inductance and a loop resistance of a wire loop by exciting a transmit circuit with a voltage reference step waveform, wherein the transmit circuit includes the wire loop. The method includes scaling the approximated load current to a level sufficient to generate a minimum receive voltage signal in a receiver at a first distance between the wire loop and the receiver. The method includes generating a first voltage signal using the scaled load current, estimated loop inductance, and estimated loop resistance. The method includes exciting the transmit circuit with the first voltage signal.

Abstract: The invention presents a harness assembly for lifting and supporting an animal in mobility. The assembly comprises a front and rear harness sections releasably attached by a lifting leash. Both the front and rear harness sections can be used independently. Both the front and rear harness sections are comprised of upper and lower sections releasably attached to one another. The rear harness section lifts the animal from both the hips and waist resulting in less stress than other devices.

Abstract: A system is described herein that comprises a communications device periodically transmitting a radio frequency signal, wherein the periodically transmitted signal includes data. The system includes a receiver detecting the periodically transmitted signal, the detecting including measuring strength of the periodically transmitted signal, the detecting including using the signal strength to provide a first estimate of the receiver's distance from the communications device. The system includes the communications device comprising at least one location sensor for determining an additional distance indication, wherein the data includes the additional distance indication. The system includes the receiver performing a function when the first estimate meets at least one criterion and when the additional distance indication indicates a first state.

Abstract: An integrated apparatus and method is provided for a collar that is configured to operate as part of a wireless fence system that contains and monitors the location of a dog within a containment area defined by the wireless fence system and further configured to provide GPS tracking capability when the dog has escaped from the containment area. As long as the dog remains in the area defined by the wireless fence, the collar operates solely in a wireless fence mode, communicating with the transmitters used as part of the wireless fence system. The GPS tracking function remains “asleep” and is not activated unless and until the dog escapes. Once GPS mode is activated, fence mode is shut down and operation of the GPS enables the dog owner or other individual to receive SMS messages and/or email with information on the dog's location on a smart-phone, tablet or PC.

Abstract: A system and apparatus to track and control an animal is described, including a tracking unit to track the animal, and a stimulus unit to provide a stimulus to the animal, wherein the tracking unit and stimulus unit are configured to be coupled together. The stimulus unit is entirely a slave device to the tracking unit and has no independent smart circuitry, no independent power supply and no antennae. Accordingly, the stimulation unit is dependent upon the tracking unit for operation, power and for communication to and from a remote hand held control device.

Abstract: Systems and methods of tracking a mobile subject based on Global Navigation Satellite Systems (GNSS) data, including a boundary test unit to evaluate a boundary violation according to the current actionable position and current actionable speed of the mobile subject relative to a predetermined boundary, wherein the current actionable position is a sum of a prior actionable position and a product of a degraded position difference and a position tracking coefficient, and a current actionable speed is a function of a prior actionable speed and a degraded speed estimate.

Abstract: A system is described that includes communications modules, a wearable device, and an application running on a processor of a computing platform. The system includes placing each communications module at a location in a premise, wherein each communications module periodically transmits a unique number, wherein the application detects and stores each unique number. The system includes the application organizing linking information by linking each unique number with a distance and a function and transmitting the linking information to the wearable device. The wearable device may detect a transmission of a communications module, use information of the transmission to identify the communications module's unique number and to estimate a distance from the wearable device to its location. The wearable device may use the linking information to identify the corresponding function and distance and perform the function when the estimated distance meets at least one criterion with respect to the distance.

Abstract: An animal behavior modification device is provided. The device includes a sound or motion sensor that is configured to generate electrical signals in response to an occurrence. The device may include a filter, which is tuned to recognize sound frequencies received by and emitted in proximity to a microphone, and generate an electrical signal in response to recognizing sound frequencies characteristic of a dog's bark. The device further includes a canister that holds a deterrent fluid at substantially ambient pressure. The device additionally comprises a pump configured to draw fluid from the canister in response to the electrical signal from the filter. The pump has a spray nozzle for releasing an emission of the fluid that affects the dog's senses. A method of modifying the behavior of an animal using the device is also provided herein.

Abstract: A hitch-mountable, collapsible stair assembly is disclosed for use in assisting mounting into a raised vehicle bed. The steps rotate between a generally vertical stowed position and a generally horizontal in-use position. The height of the steps above the ground is adjustable. The lower step can also be extended for ease of use.