Abstract: A backlight includes a substrate, a plurality of light sources, a reflective layer, a light guide plate, a pattern of light extractors, a plurality of patterned reflectors, and a diffusive layer. The plurality of light sources are proximate the substrate. The reflective layer is on the substrate. The light guide plate is proximate the plurality of light sources. The pattern of light extractors is on the light guide plate. The plurality of patterned reflectors are on the light guide plate. Each patterned reflector is aligned with a corresponding light source. The diffusive layer is on the light guide plate.

Abstract: A ladder safety post assembly is an apparatus that enables the user to safely climb in and out of manholes using the sunken ladders provided within. The apparatus may include an elongated housing, a threaded shaft, a hand wheel, a stationary rung hook, and a movable rung hook. The elongated housing provides a third point of contact for the user to hold onto when initially descending into the manhole or when coming out of the manhole. The threaded shaft enables the movement of the movable rung hook to secure the movable rung hook against a ladder rung. The hand wheel enables the user to manually rotate the threaded shaft to adjust the position of the movable rung hook along the threaded shaft. The stationary rung hook and the movable rung hook both secure the elongated housing to the sunken ladder by grabbing onto adjacent ladder rungs in a jaw-like manner.

Abstract: The present invention relates to a system for maintaining battery cycle life for battery-powered electric vehicles. Current battery-powered electric vehicles such as automobiles and trucks suffer from short cycle lifes of their batteries, meaning that these vehicles' batteries will become unusable well before the normal useful life of combustion engine powered vehicles. Owners of vehicles using my system will enjoy vehicles with acceptable ranges, acquisition and operating costs, yet will enjoy battery lifes as long or as longer than the useful life of combustion engine vehicles.

Abstract: According to some embodiments, an assembly configured to be removably secured to an exposed structural component of a vehicle (e.g., a rollbar) comprises a cover assembly configured to secure to the exposed structural component of the vehicle, a hand grip configured to pass through at least a portion of the cover assembly and hand below the cover assembly, wherein the hand grip is configured to be grasped by a user, and at least one tool-receiving member configured to secure to the cover assembly.

Abstract: A filter assembly comprises a filter housing defining an internal volume, a filter element positioned within the internal volume, and a gasket retainer. An outer edge of the gasket retainer is coupled to a top end of the filter housing, and an inner rim thereof forms a gasket retainer ledge. The filter assembly further comprises a retainer loop comprising a retainer loop main body. A plurality of retainer arms extend axially from the retainer loop main body towards the gasket retainer. Each of the plurality of retainer arms comprise a retainer arm ledge extending radially towards the retainer loop main body and snap-fit to the gasket retainer ledge. A retainer loop sidewall extends from the main body away from the gasket retainer. An outer surface of the retainer loop sidewall defines a curvature. A sealing member is removably positioned around the outer surface of the retainer loop sidewall.

Abstract: A dog link for a sharp chain conveyor with at least one spike to impale into a log, where at least one forwardly and/or upwardly facing spike on each dog link is combined with at least one rearwardly facing spike and/or barb disposed on a spike to insure that wherever the log is impaled, the dog counteracts any forward surge and more securely impales the log.

Abstract: Disclosed herein is a method to enable a user to use a hypothermia system to cool a body part involved in cancer therapy or in brain trauma. The method enables the user to operate the hypothermia system by her- or himself and still be mobile. The hypothermia system comprises a conformal cap system, a thermally conductive liquid located between the body part to be cooled and the cap system, thermal transfer fluids, phase change materials, thermally insulated cooler, physical measuring devices, mechanical and electrical components, a ‘smart’ user interface device, a battery, and an uninterruptible power controller. The method allows a user to control the rate of and temperature of cooling down the body part, exhibits parameters associated with the process of cooling the body part, provides alerts if necessary, is portable and entirely self-managed. The hypothermia device is in communication with and can be controlled by an application installed on a smart device, such as a phone.

Abstract: A non-user assisted, portable, entirely self-managed capable hypothermia device to eliminate hair loss caused by the side effects of certain chemotherapy treatments or to reduce the metabolic rate of ischemic tissue along with the severity of swelling is disclosed. The device consists of a conformal cap system, a thermally conductive liquid located between the body part to be cooled and the cap system, thermal transfer fluids, phase change materials, thermally insulated cooler, physical measuring devices, mechanical and electrical components, a ‘smart’ user interface device, a battery, and an uninterruptible power controller.

Abstract: Systems and methods for providing security to building occupants include a plurality of smart exit signs positioned at locations in or around a secure area to be monitored. Input devices contained in the smart exit signs are configured to be receptive to sensory activity within the secure area. The system further includes a master controller configured to analyze input signals indicative of the sensory activity detected within the secure area to determine whether a potential security issue exists. Output devices contained in the smart exit signs are configured to receive indication from the master controller when a potential security issue exists. In response to receiving indication from the master controller, the output devices are configured to assist occupants within the secure area to respond to the potential security issue by providing real-time information on optimum exit routes or shelter-in-place locations.

Abstract: In a portable radio transceiver, a power amplifier system includes a saturation detector that detects power amplifier saturation in response to duty cycle of the amplifier transistor collector voltage waveform. The saturation detection output signal can be used by a power control circuit to back off or reduce the amplification level of the power amplifier to avoid power amplifier control loop saturation.

Abstract: According to some embodiments, an assembly configured to be removably secured to an exposed structural component of a vehicle (e.g., a rollbar) comprises a cover assembly configured to secure to the exposed structural component of the vehicle, a hand grip configured to pass through at least a portion of the cover assembly and hand below the cover assembly, wherein the hand grip is configured to be grasped by a user, and at least one tool-receiving member configured to secure to the cover assembly.

Abstract: In a portable radio transceiver, a power amplifier system includes a saturation detector that detects power amplifier saturation in response to duty cycle of the amplifier transistor collector voltage waveform. The saturation detection output signal can be used by a power control circuit to back off or reduce the amplification level of the power amplifier to avoid power amplifier control loop saturation.

Abstract: Systems, methods, and devices for determining a neutron-gamma density (NGD) measurement of a subterranean formation that is accurate in both liquid- and gas-filled formations are provided. For example, a downhole tool for obtaining such an NGD measurement may include a neutron generator, a neutron detector, two gamma-ray detectors, and data processing circuitry. The neutron generator may emit neutrons into a formation, causing a fast neutron cloud to form. The neutron detector may detect a count of neutrons representing the extent of the neutron cloud. The gamma-ray detectors may detect counts of inelastic gamma-rays caused by neutrons that inelastically scatter off the formation. Since the extent of the fast neutron cloud may vary depending on whether the formation is liquid- or gas-filled, the data processing circuitry may determine the density of the formation based at least in part on the counts of inelastic gamma-rays normalized to the count of neutrons.

Abstract: A method for determining a corrected neutron gamma density of a formation includes emitting neutrons into a formation using a neutron source to generate gamma-rays. Additionally, the method includes detecting a first count rate of gamma-rays and a gamma-ray spectrum using at least a gamma-ray detector of the downhole tool. The method also includes detecting a second count rate of neutrons using a neutron detector. The method includes using a processor to perform a gamma-ray spectroscopy analysis on the formation based on the gamma-ray spectrum and determining a correction based on results of the gamma-ray spectroscopy analysis. The method includes applying the correction to the first count rate or the second count rate and determining a neutron gamma density of the formation based on a first corrected count rate of gamma-rays or a second corrected count rate of neutrons. The method also includes outputting the determined density of the formation.

Abstract: A power unit for producing both alternating current and direct current includes a switcher connected to a direct current source, wherein the switcher includes circuitry configured to produce both alternating current having first characteristics and direct current having second characteristics, wherein the circuitry comprises a plurality of insulated gate bipolar transistor circuits and drive circuits connected to the insulated gate bipolar transistor circuits. The switcher may receive variable voltage and frequency or constant voltage and frequency. In either case, the switcher circuitry is able to provide power of the desired characteristics. The power unit may be used to power aircraft when the aircraft is on the ground.

Abstract: A method and system for rapid microbial detection and analysis comprising a sampling device, a swab with a swab head connected to a swab handle having analysis fluid therein, a collection chamber, and a detection and analysis device

Abstract: Methods and devices for sampling, processing and identifying acute use of substance of abuse is provided. Systems and kits for sampling, processing and identifying acute of substance of abuse is also provided.

Abstract: Circuits, devices and methods related to multi-mode power amplifiers. A power amplifier (PA) assembly can include a radio-frequency (RF) amplification path having a first stage and a second stage, with each stage including a transistor. The PA assembly can further include a biasing circuit having a first bias path between a supply node and the base of a corresponding transistor. The PA assembly can further include a linearizing circuit implemented as either or both of a second bias path and a coupling path relative to the first bias path. The second bias path can be configured to provide an additional base bias current to the base under a selected condition. The coupling path can be configured to improve linearity of the corresponding transistor operating in a first mode while allowing a ballast resistance to be sufficiently robust for the corresponding transistor operating in a second mode.

Abstract: The present invention relates to a system for sending dense data over telephone company lines as an alternative to the common usage of the Internet. The internet is vulnerable to penetration, making data and files sent over it insecure. Current users of the Internet sending or receiving files or data can use my system, which sends content from computer to computer using telephone lines.