| Patent application number | Description | Published |
|---|
| 20110223576 | System for the Administration of a Secure, Online, Proctored Examination - A system for secure, web-based, proctored examinations is provided. A web-based platform allows for test delivery beyond a local testing center with the test delivered directly to the test-taker. Computing devices that have been secured for the taking of an examination allow a student or prospective professional to access an examination wherever there is an Internet connection. As a result, students and professionals can take examinations where they live, learn, and work thereby reducing the costs associated with travelling to testing centers and minimizing time away from work. Test-takers, proctors, instructors, administrators, authors, and test developers can all access data and test information anytime and anywhere. Secure examinations can be taken under the purview of a proctor either in person or via the Internet and utilizing any number of testing environment capture devices in conjunction with data forensic technologies. | 09-15-2011 |
| 20120036215 | Optimized Data Stream Upload - Systems and methods utilize a distributed server network to allow for the optimization of the upload of a data stream from a computing device. Performance metrics are estimated for different network paths from the computing device to a variety of entry servers in the distributed server network. Based on the estimated performance metrics, one or more entry servers are then selected to receive the data stream from the computing device. As a result, the systems and methods described herein allow for high quality upload performance which addresses the first mile vulnerability issues of the data stream. The distributed server network can then transmit copies of the data stream in real-time to other computing devices. | 02-09-2012 |
| 20120077176 | Maintaining a Secure Computing Device in a Test Taking Environment - The presently disclosed invention provides for the security of a computing device in the context of a test taking environment. By securing a computing device, an individual (or group of individuals) may more effectively proctor a large examination without worrying about a test taker illicitly accessing information on their computer or via a remote source of data. Securing a computing device includes locking out or preventing access to any application not deemed necessary or appropriate by the test administrator. | 03-29-2012 |
| 20120077177 | Secure Online Testing - A system for secure, web-based, proctored examinations is provided. A web-based platform allows for test delivery beyond a local testing center with the test delivered directly to the test-taker. Computing devices that have been secured for the taking of an examination allow a student or prospective professional to access an examination wherever there is an Internet connection. As a result, students and professionals can take examinations where they live, learn, and work thereby reducing the costs associated with travelling to testing centers and minimizing time away from work. Test-takers, proctors, instructors, administrators, authors, and test developers can all access data and test information anytime and anywhere. Secure examinations can be taken under the purview of a proctor either in person or via the Internet and utilizing any number of testing environment capture devices in conjunction with data forensic technologies. | 03-29-2012 |
| 20120135388 | Online Proctoring - A system for secure, web-based, proctored examinations is provided. A web-based platform allows for test delivery beyond a local testing center with the test delivered directly to the test-taker. Computing devices that have been secured for the taking of an examination allow a student or prospective professional to access an examination wherever there is an Internet connection. As a result, students and professionals can take examinations where they live, learn, and work thereby reducing the costs associated with travelling to testing centers and minimizing time away from work. Test-takers, proctors, instructors, administrators, authors, and test developers can all access data and test information anytime and anywhere. Secure examinations can be taken under the purview of a proctor either in person or via the Internet and utilizing any number of testing environment capture devices in conjunction with data forensic technologies. | 05-31-2012 |
| Patent application number | Description | Published |
|---|
| 20140336727 | Microwave Field Stimulator - A system includes a controller module, which includes a storage device, a controller, a modulator, and one or more antennas. The storage device is stored with parameters defining a stimulation waveform. The controller is configured to generate, based on the stored parameters, an output signal that includes the stimulation waveform, wherein the output signal additionally includes polarity assignments for electrodes in an implantable, passive stimulation device. The modulator modulates a stimulus carrier signal with the output signal to generate a transmission signal. The one or more antennas transmit the transmission signal to the implantable, passive stimulation device such that the implantable, passive stimulation device uses energy in the transmission signal for operation, sets the polarities for the electrodes in the implantable, passive stimulation device based on the encoded polarity assignments, generates electrical pulses using the stimulation waveform, and applies the electrical pulses to excitable tissue. | 11-13-2014 |
| 20150073510 | Method, System and Apparatus for Control of Pancreatic Beta Cell Function to Improve Glucose Homeostasis and Insulin Production - The present invention provides methods, systems and apparatuses for effecting excitation or inhibition of small sensory nerve fibers, such as C-afferent fibers, by electrical stimulation of nerves innervating the pancreas in diabetic subjects. In an aspect the methods are directed to effecting insulin production and for the treatment of diabetes. This invention includes a closed or open loop feedback control system in which biomarker levels are monitored in order to direct electrical stimulation. An implantable or external neural stimulation device is also provided. | 03-12-2015 |
| Patent application number | Description | Published |
|---|
| 20120283800 | Neural Stimulator System - An implantable neural stimulator includes one or more electrodes, a dipole antenna, and one or more circuits and does not include an internal power source. The one or more electrodes are configured to apply one or more electrical pulses to neural tissue. The dipole antenna is configured to receive an input signal containing electrical energy utilizing electrical radiative coupling (for example, in the frequency range form 300 MHz to 8 GHz). The one or more circuits are configured to create one or more electrical pulses using the electrical energy contained in the input signal; supply the electrical pulses to the electrodes such the electrical pulses are applied to neural tissue; generate a stimulus feedback signal; and send the feedback to the dipole antenna to transmit to the second antenna through electrical radiative coupling. | 11-08-2012 |
| 20120303098 | METHOD, SYSTEM AND APPARATUS FOR CONTROL OF PANCREATIC BETA CELL FUNCTION TO IMPROVE GLUCOSE HOMEOSTASIS AND INSULIN PRODUCTION - The present invention provides methods, systems and apparatuses for effecting excitation or inhibition of small sensory nerve fibers, such as C-afferent fibers, by electrical stimulation of nerves innervating the pancreas in diabetic subjects. In an aspect the methods are directed to effecting insulin production and for the treatment of diabetes. This invention includes a closed or open loop feedback control system in which biomarker levels are monitored in order to direct electrical stimulation. An implantable or external neural stimulation device is also provided. | 11-29-2012 |
| 20120330384 | REMOTE CONTROL OF POWER OR POLARITY SELECTION FOR A NEURAL STIMULATOR - An implantable neural stimulator includes one or more electrodes, at least one antenna, and one or more circuits connected to the at least one antenna. The one or more electrodes are configured to apply one or more electrical pulses to excitable tissue. The antenna is configured to receive one or more input signals containing polarity assignment information and electrical energy, the polarity assignment information designating polarities for the electrodes. The one or more circuits are configured to control an electrode interface such that the electrodes have the polarities designated by the polarity assignment information; create one or more electrical pulses using the electrical energy contained in the input signal; and supply the one or more electrical pulses to the one or more electrodes through the electrode interface so that the one or more electrical pulses are applied according to the polarities designated by the polarity assignment information. | 12-27-2012 |
| 20130066400 | MICROWAVE FIELD STIMULATOR - A system includes a controller module, which includes a storage device, a controller, a modulator, and one or more antennas. The storage device is stored with parameters defining a stimulation waveform. The controller is configured to generate, based on the stored parameters, an output signal that includes the stimulation waveform, wherein the output signal additionally includes polarity assignments for electrodes in an implantable, passive stimulation device. The modulator modulates a stimulus carrier signal with the output signal to generate a transmission signal. The one or more antennas transmit the transmission signal to the implantable, passive stimulation device such that the implantable, passive stimulation device uses energy in the transmission signal for operation, sets the polarities for the electrodes in the implantable, passive stimulation device based on the encoded polarity assignments, generates electrical pulses using the stimulation waveform, and applies the electrical pulses to excitable tissue. | 03-14-2013 |
| 20130079849 | RELAY MODULE FOR IMPLANT - An implementation provides a system that includes: a control module including a first antenna, the control module configured to generate a first radio frequency (RF) signal and transmit the first RF signal using the first antenna; an implantable lead module including a second antenna and at least one electrode configured to stimulate excitable tissue of a subject; and a relay module configured to receive the first RF signal; generate a second RF signal based on the first RF signal, the second RF signal encoding a stimulus waveform to be applied by the at least one electrodes of the implantable lead module to stimulate the excitable tissue of the subject; and transmit the second RF signal to the implantable lead module. | 03-28-2013 |
| 20130310901 | METHODS AND DEVICES FOR MODULATING EXCITABLE TISSUE OF THE EXITING SPINAL NERVES - A method for modulating nerve tissue in a body of a patient includes implanting a wireless stimulation device in proximity to a dorsal root ganglion or an exiting nerve root such that an electrode, circuitry and a receiving antenna are positioned completely within the body of the patient. An input signal containing electrical energy and waveform parameters is transmitted to the receiving antenna(s) from a control device located outside of the patient's body via radiative coupling. The circuitry within the stimulation device generates one or more electrical impulses and applies the electrical impulses to the dorsal root ganglion or the exiting nerve roots through the electrode. | 11-21-2013 |
| 20140031837 | Implantable Lead - An implantable wireless lead includes an enclosure, the enclosure housing: one or more electrodes configured to apply one or more electrical pulses to a neural tissue; a first antenna configured to: receive, from a second antenna and through electrical radiative coupling, an input signal containing electrical energy, the second antenna being physically separate from the implantable neural stimulator lead; one or more circuits electrically connected to the first antenna, the circuits configured to: create the one or more electrical pulses suitable for stimulation of the neural tissue using the electrical energy contained in the input signal; and supply the one or more electrical pulses to the one or more electrodes, wherein the enclosure is shaped and arranged for delivery into a subject's body through an introducer or a needle. | 01-30-2014 |
| 20140058480 | REMOTE CONTROL OF POWER OR POLARITY SELECTION FOR A NEURAL STIMULATOR - A system, including: an implantable neural stimulator including electrodes, at least one antenna and an electrode interface; a radio-frequency (RF) pulse generator module comprising an antenna module configured to send an input signal to the antenna in the implantable neural stimulator through electrical radiative coupling, the input signal containing electrical energy and polarity assignment information that designates polarity assignments of the electrodes in the implantable neural stimulator; and wherein the implantable neural stimulator is configured to: control the electrode interface such that the electrodes have the polarity assignments designated by the polarity assignment information, create one or more electrical pulses suitable for modulation of neural tissue using the electrical energy contained in the input signal, and supply the electrical pulses to the electrodes through the electrode interface such that the electrodes apply the electrical pulses to the neural tissue with the polarity assignments designated by the polarity assignment information. | 02-27-2014 |
| 20140058481 | NEURAL STIMULATOR SYSTEM - An implantable neural stimulator method for modulating excitable tissue in a patient including: implanting a neural stimulator within the body of the patient such that one or more electrodes of the neural stimulator are positioned at a target site adjacent to or near excitable tissue; generating an input signal with a controller module located outside of, and spaced away from, the patient's body; transmitting the input signal to the neural stimulator through electrical radiative coupling; converting the input signal to electrical pulses within the neural stimulator; and applying the electrical pulses to the excitable tissue sufficient to modulate said excitable tissue. | 02-27-2014 |
| 20140180365 | WEARABLE ANTENNA ASSEMBLY - A wearable device for facilitating neurophysiological treatment of a patient harboring an implanted neural stimulator is provided. The wearable device includes a transmitting antenna configured to accept one or more input signals and to transmit one or more electromagnetic signals to a neural stimulator that is implanted in a patient's body. The wearable device further includes a control circuitry configured to provide the one or more input signals to the transmitting antenna. The wearable device further includes a battery that provides electrical power to at least the control circuitry. The wearable device is configured to be worn outside the patient's body. | 06-26-2014 |
| 20140275847 | WIRELESS IMPLANTABLE POWER RECEIVER SYSTEM AND METHODS - A method and system is presented for an implantable wireless power receiver for use with a medical stimulation or monitoring device. The receiver receives transmitted energy through one or more non-inductive antenna(s), utilizes microelectronics to perform rectification of the received signal for generation of a DC power supply to power an implantable device, and may also utilize microelectronics to provide parameter settings to the device, or stimulating or other waveforms to a tissue. | 09-18-2014 |
| 20140277257 | METHOD, SYSTEM AND APPARATUS FOR REMOTE NEURAL MODULATION BRAIN STIMULATION AND FEEDBACK CONTROL - A method, system and apparatus is presented for a wireless neural modulation feedback control system as it relates to an implantable medical device comprised of a radio frequency (RF) receiver circuit, one or more dipole or patch antenna(s), one or more electrode leads connected to at least one dipole or patch antenna(s), and at least one microelectronic neural modulation circuit, and an external or internally implanted RF device to neurally modulate brain tissue in order to treat medical conditions that can be mediated by neuronal activation or inhibition, such as Parkinson's, Alzheimer's, epilepsy, other motor or mood based disorders, and/or pain. The implantable receiver captures energy radiated by the RF transmitter unit and converts this energy to an electrical waveform by the implanted neural modulation circuit to deliver energy that can be utilized by the attached electrode pads in order to activate targeted neurons in the brain. | 09-18-2014 |
| Patent application number | Description | Published |
|---|
| 20080319699 | Detection of faults in an injector arrangement - A fault detection method for detecting short circuit faults in an injector arrangement at engine start-up. The injector arrangement comprises one or more piezoelectric fuel injectors, which are connected in a drive circuit. In one aspect of the invention, the potential at a bias point in the drive circuit is determined and compared with a predicted voltage. A short circuit fault signal is generated if the potential at the bias point is not within a predetermined tolerance voltage of the predicted voltage. In another aspect of the invention, a first charge pulse is applied to the injectors to charge the injectors. A discharge current path is provided during a delay period following the first charge pulse by closing a discharge switch. A faulty injector will discharge through the discharge current path during the delay period. A second charge pulse is applied to the injectors following the delay period. Current flow is sensed during the second charge pulse, and a short circuit warning signal is generated if the current flow during the second charge pulse exceeds a predetermined threshold current. | 12-25-2008 |
| 20090121724 | Detection of faults in an injector arrangement - A fault detection method is provided for detecting faults in an injector arrangement. The injector arrangement comprises one or more piezoelectric fuel injectors connected in an injector drive circuit, and the injector drive circuit is arranged to control operation of the one or more piezoelectric fuel injectors. The fault detection method includes determining a sample voltage at a sample point in the injector drive circuit at a first sample time. The sample voltage is the voltage on an injector or is related to the voltage on an injector. The method further includes calculating a range of predicted voltages expected at the sample point at a second sample time following the first sample time, and determining the sample voltage at the sample point at the second sample time. The presence of a fault is detected if the sample voltage determined at the sample point at the second sample time is not within the range of predicted voltages. | 05-14-2009 |
| 20090133671 | DRIVE CIRCUIT FOR AN INJECTOR ARRANGEMENT AND A DIAGNOSTIC METHOD - The invention relates to a drive circuit for an injector arrangement comprising a first fuel injector in parallel with a capacitive component. The drive circuit comprises: a selector means and diagnostic means. The selector means is operable to select the first fuel injector and/or the capacitive component into the drive circuit and to deselect the first fuel injector and/or the capacitive component from the drive circuit. When the capacitive component is selected and the first fuel injector is deselected, the diagnostic means is operable to sense a current through the first fuel injector. When the sensed current is at variance from a first threshold current the diagnostic means is operable to provide a first signal on detection of a stack terminal short circuit fault associated with the first fuel injector. The capacitive component may be a second fuel injector. | 05-28-2009 |
| 20090140747 | Detection of faults in an injector arrangement - A method and apparatus for detecting faults in an injector arrangement is described. The injector arrangement comprises a plurality of piezoelectric injectors that are located in parallel branches of an injector bank circuit of an injector drive circuit. Each branch of the injector bank circuit comprises a high side isolation switch. The high side isolation switches are each operable to enable an associated piezoelectric injector in the injector bank circuit when closed, and disable the associated piezoelectric injector in the injector bank circuit when open. The fault detection method comprises the steps of operating the high side isolation switches so as to enable one of the piezoelectric injectors and disable the other piezoelectric injector(s), and performing diagnostics to detect the presence or absence of faults on the enabled piezoelectric injector. | 06-04-2009 |
| 20090314073 | DETECTION OF FAULTS IN AN INJECTOR ARRANGEMENT - A method of identifying an individual short circuit fuel injector, within an injector bank of an engine comprising a plurality of fuel injectors. Each fuel injector has a piezoelectric actuator and an associated injector select switch forming part of an injector drive circuit. The method comprises: (i) charging all of the piezoelectric actuators of the plurality of fuel injectors within the injector bank during a charge phase; (ii) at the end of the charge phase waiting for a delay period; and (iii) subsequently closing an injector select switch of a fuel injector to select said fuel injector. The method further comprises: (iv) determining a stack voltage present on terminals of the piezoelectric actuator of the selected fuel injector and storing the stack voltage in a data store. The stack voltage is indicative of an amount of charge present on the selected injector at the end of the delay period. The method further comprises (v) repeating steps (i) to (iv) for each fuel injector in the injector bank in turn; and (vi) identifying the individual short circuit fuel injector as being the injector which has discharged beyond a predetermined voltage drop limit during the delay period. The method also comprises generating a short circuit fault signal for the identified fuel injector. | 12-24-2009 |
| Patent application number | Description | Published |
|---|
| 20130153169 | THERMAL ENERGY STORAGE AND DELIVERY SYSTEM - A thermal energy storage and delivery system is disclosed. A core includes a thermal storage medium and a thermal transfer medium transports thermal energy to and from the core. The core may be surrounded by multiple layers, where each layer is less dense the closer the layer is to the outside of the thermal storage and delivery system. | 06-20-2013 |
| 20130154168 | DRY PROCESSING OF, AND THERMAL RECOVERY FROM, SLAG - Apparatuses, systems, and methods discussed herein facilitate processing of, and thermal recovery from, material such as slag. A disk assembly is configured to process material. One or more heat exchangers are configured to extract heat that is already present in the material, heat generated during processing, or both. A thermal transfer system is configured to transfer heat away from the disk assembly, away from the one or more heat exchangers, or both. | 06-20-2013 |
| 20130233299 | NON-TRACKING SOLAR RADIATION COLLECTOR - A solar collection system includes a double parabolic reflector and a light trap. The solar collection system also includes a lens configured to receive light from the double parabolic reflector and focus the reflected light into the light trap. The system may be configured to resist seismic activity and extreme weather conditions. | 09-12-2013 |
| 20130233300 | SOLAR ENERGY COLLECTION AND STORAGE - A solar energy collection system includes a reflector configured to reflect and focus a majority of solar energy from visible light and infrared spectra. The solar energy collection system also includes a light trap configured to receive concentrated solar energy from the reflector. The light trap includes a black body that is configured to absorb a majority of the concentrated visible light and infrared energy and convert the absorbed energy into thermal energy. | 09-12-2013 |
| 20130247585 | NON-COMBUSTION ENERGY SOURCE AND CONFIGURATION FOR BRAYTON CYCLE HEAT ENGINES - A Brayton cycle heat engine includes a compressor, a combustion chamber, and a turbine. The Brayton cycle heat engine also includes a heat exchanger positioned at least partially within the combustion chamber. The heat exchanger is configured to deliver thermal energy to the combustion chamber from an external source, heating air entering the combustion chamber from the compressor, where the air exits the combustion chamber and drives the turbine. | 09-26-2013 |
| 20130255666 | NON-TRACKING SOLAR RADIATION COLLECTOR - A solar collection system includes a double parabolic reflector and a light trap. The solar collection system also includes a lens configured to receive light from the double parabolic reflector and focus the reflected light into the light trap. The system may be configured to resist seismic activity and extreme weather conditions. | 10-03-2013 |
