An optimized document-indexing device is based on a pruned inverted index structure mapped to hardware. The device can be accommodated on a... Show moreAn optimized document-indexing device is based on a pruned inverted index structure mapped to hardware. The device can be accommodated on a single chip and can be reprogrammed to accommodate index structures of different lengths and support varied posting-list sizes and varied term list sizes, thus sustaining high reusability and efficiency for a single device. The device can be used either as an internal slave component or as an external co-processor. The device controllers are efficient in resource demands and take only a minimal percentage of the logic and memory space of the hardware device. Sponsorship: Illinois Institute of Technology United States Patent Show less
Optimum antenna-like exciters for heating earth media which may be used to recover hydrocarbons. A high frequency power supply is connected to... Show moreOptimum antenna-like exciters for heating earth media which may be used to recover hydrocarbons. A high frequency power supply is connected to an exciter emplaced in the subsurface formation which radiates high frequency power. The exciters include one or more conducting cylinders which make up monopole and dipole antenna-like apparatus. Substantially uniform heating of the subsurface formation is provided thus suppressing excessive heating of edge and power input regions. The equal distribution of electric fields eliminates intense electric fields which would normally exist thus mitigating excessively heated regions and providing substantially uniform heating of the subsurface formation. Sponsorship: IIT Research Institute United States Patent Show less
An electric energy storage system (EESS) for providing a power management solution for a multi-subsystem energy storage in electric, hybrid... Show moreAn electric energy storage system (EESS) for providing a power management solution for a multi-subsystem energy storage in electric, hybrid electric, and fuel cell vehicles. The EESS has a controller that determines when to draw power from each subsystem as needed by the vehicle. Sponsorship: Illinois Institute of Technology United States Patent Show less
An indicator composition for determining a thermal or chronological history during shipping or storage of a product. The composition includes... Show moreAn indicator composition for determining a thermal or chronological history during shipping or storage of a product. The composition includes a plurality of nanoparticles dispersed throughout a matrix. The nanoparticles turn color while dispersed in the matrix as a function at least one of time and temperature. Sponsorship: Illinois Institute of Technology United States Patent Show less
A method and device for monitoring or treating patient glucose levels. The device includes a glucose sensor for measuring a glucose level of a... Show moreA method and device for monitoring or treating patient glucose levels. The device includes a glucose sensor for measuring a glucose level of a patient, a physiological status monitoring system for measuring at least one physical or metabolic variable of the patient, and an automatic controller in communication with the glucose sensor and the physiological status monitoring system. The controller includes a prediction module for automatically predicting a future glucose level using data measured by the glucose sensor and the physiological sensor. Sponsorship: Illinois Institute of Technology United States Patent Show less
A dry deposition sampling apparatus having at least one thin dry deposition plate with sample collection film is maintained on a support... Show moreA dry deposition sampling apparatus having at least one thin dry deposition plate with sample collection film is maintained on a support structure which is rotatable about a vertical axis and has a vane to maintain the sharp leading edge of the dry deposition plate(s) headed into the wind. Covers are positioned over the sample collection films automatically upon commencement of precipitation and are automatically moved to a position exposing the sample collection films to the atmosphere upon cessation of precipitation. The duration of exposure of the collection films to the atmosphere is timed, thus providing a dry deposition sampling apparatus which may be left unattended for long periods of time. Sponsorship: Illinois Institute of Technology United States Patent Show less
Monochrome and color television recording and playback circuitry for coupling of a video magnetic transducer head with a standard broadcast... Show moreMonochrome and color television recording and playback circuitry for coupling of a video magnetic transducer head with a standard broadcast television receiver. The transducer head preferably includes a plurality of head units for recording respective color television signals with provision for selectively recording a monochrome signal on successive channels with the use of one only of the head units. Sponsorship: IIT Research Institute United States Patent Show less
A process and apparatus for pulverization of natural and synthetic polymeric material by heating to a pre-melt or softening temperature below... Show moreA process and apparatus for pulverization of natural and synthetic polymeric material by heating to a pre-melt or softening temperature below its melting point, cooling and applying high normal and shear stresses sufficient to form fine powder, and fluidizing the powder in a gas stream preventing its agglomeration. The same process and apparatus is suitable for enhancement of reactivity of polymeric and solid monomeric material to form homopolymers, copolymers, and new polymeric materials. Sponsorship: Illinois Institute of Technology United States Patent Show less
A method for estimating the severity of generator unit outage and multi-terminal branch outage contingencies with respect to voltage collapse... Show moreA method for estimating the severity of generator unit outage and multi-terminal branch outage contingencies with respect to voltage collapse in large-scale electric power systems which includes the steps of estimating a post-contingency saddle-node bifurcation induced voltage collapse point of an electric power system following a set of generator unit outages and/or a set of branch outages and calculating a distance to collapse of said power system. The post-contingency voltage collapse point is determined by application of a nonlinear contingency screening method. Sponsorship: Illinois Institute of Technology United States Patent Show less
A video transducer system comprising a magnetic head having a magnetic core with a loop magnetic signal flux path including a scanning gap,... Show moreA video transducer system comprising a magnetic head having a magnetic core with a loop magnetic signal flux path including a scanning gap, and a magnetic record medium coupled to the core at the scanning gap. Sponsorship: IIT Research Institute United States Patent Show less