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Title: Apparatus for Generating Odor upon Electronic Signal Demand
Creator: Rasouli, Firooz, Arastoopour, Hamid, Oskouie, Ali
Date: 2009-05-14, 2003-04-15
Description: An apparatus for generating odor including a disk having a substrate with a dispersing material retaining at least one releasable aroma...
Show moreAn apparatus for generating odor including a disk having a substrate with a dispersing material retaining at least one releasable aroma positioned with respect to the substrate. The dispersing material includes a structure, such as a plurality of openable pores, that is physically responsive to a stimulus such as heat or light. A device provides the stimulus to the dispersing material upon demand as a function of a signal, wherein the plurality of pores within the dispersing material are reversibly enlarged as a result of the stimulus.
Sponsorship: Illinois Institute of Technology
United States Patent
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Title: Conversion of Automotive Tire Scrap to Useful Oils
Creator: Stapp, Paul R.
Date: 2009-05-08, 1992-10-27
Description: The present invention is directed to a process for the conversion of waste plastics and scrap rubber to a high quality synthetic crude oil...
Show moreThe present invention is directed to a process for the conversion of waste plastics and scrap rubber to a high quality synthetic crude oil which can be separated by fractionation into gasoline, diesel fuel and gas oils suitable as a feedstock to a catalytic cracker. The process generally includes the steps of heating the plastic scrap and scrap automotive tires in a hydrogen atmosphere at moderate temperatures and pressures. It has also been determined that the polymeric waste material must be present in combination with the scrap automotive tires to attain conversion of the scrap automotive tires to liquid hydrocarbon.
Sponsorship: IIT Research Institute
United States Patent
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Title: Recording and Reproducing of Vibrations
Creator: Camras, Marvin, Korzon, William
Date: 1944-06-13
Description: Sponsorship: Armour Research Foundation
United States Patent

Title: Electromagnetic Transducer Head
Creator: Wiliams, Cecil E.
Date: 1962-06-26
Description: Sponsorship: Armour Research Foundation of Illinois Institute of Technology
United States Patent

Title: Single Spool Magazine Tape Recorder
Creator: Camras, Marvin
Date: 1962-03-13
Description: Sponsorship: Armour Research Foundation of Illinois Institute of Technology
United States Patent

Title: Molecular Crystals of Controlled Size
Creator: Myerson, Allan S.
Date: 2009-05-14, 2003-11-11
Description: Methods for the crystallization of nano-size crystals of molecular organic compounds while operating at a low supersaturation. The methods are...
Show moreMethods for the crystallization of nano-size crystals of molecular organic compounds while operating at a low supersaturation. The methods are based on controlling the domain size available during the crystallization process. In one exemplary method, microcontacted printed self-assembled monolayers (SAMs) with local domain area sizes ranging up to 2500 .mu.m.sup.2 and fabricated SAMs generated from electron beam lithography, are employed to control the size, orientation, phase, and morphology of the crystal. In another exemplary method, a continuous micro-crystallizer having a vessel diameter of 25 microns or less is used to ensure that that the maximum size of the crystals in at least one dimension, ad preferably two dimensions is constrained by the vessel itself. The methods allow control of supersaturation and growth conditions, as well as manageability over crystallinity and polymorphism, and each method's domain size has the potential for further reduction.
Sponsorship: Illinois Institute of Technology
United States Patent
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Title: Methods and Apparatus for Atmospheric Sampling and Analysis of Trace Contaminants
Creator: Lucero, Daniel P.
Date: 2009-05-08, 1989-11-28
Description: This invention relates to a method and device for continuously removing and concentrating specific molecules or substances from a gas stream...
Show moreThis invention relates to a method and device for continuously removing and concentrating specific molecules or substances from a gas stream and depositing such molecules or substances in a liquid film stream in a controlled and quantitative fashion. The device includes a hollow tetrafluoroethylene tube or a hollow tube having an inner surface coating of tetrafluoroethylene. The inner surface of the tube is etched by means of a chemical etching agent. An inlet/injector is attached to the outer circumference or inlet, circumferential face of the tube. The inlet/injector has liquid dispersion ports uniformly distributed around the circumference of the processor tube whereby a surfactant containing liquid may be uniformly dispersed from the inlet/injector onto the inner wall of the processor tube where it may flow, in a thin film manner, from the inlet of the tube to the outlet of the tube. The inlet/injector also has a gas injection port whereby a gas containing the molecules or substances sought to be removed and concentrated can simultaneously be injected into the top hollow portion of the tube. An outlet cap is attached to the outer circumference or outlet circumferential face of the tube. The outlet cap has a liquid collection well with a port or other means whereby the liquid flowing down the inner wall of the tube can be collected and transported to an analyzer. The outlet cap also has a gas port whereby the sample gas undergoing analysis can be removed from the tube and vented, treated or otherwise disposed of.
Sponsorship: IIT Research Institute
United States Patent
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Title: Technique for Establishing a Virtual Backbone in an Ad Hoc Wireless Network
Creator: Alzoubi, Khaled Muhyeddin M., Wan, Peng-jun, Frieder, Ophir
Date: 2009-05-14, 2005-01-04
Description: An algorithm on a computer readable medium for efficiently creating a message efficient virtual backbone in a wireless ad hoc network utilizes...
Show moreAn algorithm on a computer readable medium for efficiently creating a message efficient virtual backbone in a wireless ad hoc network utilizes three phases to establish an efficient network among the independent transceivers of a wireless ad hoc network. Independent transceivers within the transmission range of each other are neighbors. A leader election and tree construction phase constructs a tree of neighboring transceivers with one transceiver being designated the root and with each transceiver establishing and recording its location in the tree structure and the identifiers of its neighbors; and reporting when the tree is established. A level calculation phase determines the level of each transceiver away from the root transceiver, with each transceiver recording the level of its neighbors. Precedence for each transceiver is established with consideration of each transceiver's tree level and identifier, with tree level being paramount in deciding precedence; and reporting when the levels of the tree are established. A backbone construction phase establishes all transceivers as a dominator or a dominatee, with the dominators forming the network backbone and the dominatees all being neighbors to a dominator. Within the network each transceiver only needs to know the information of its neighboring transceivers.
Sponsorship: Illinois Institute of Technology
United States Patent
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Title: Conduction Heating of Hydrocarbonaceous Formations
Creator: Bridges, Jack E., Taflove, Allen
Date: 2009-05-08, 1985-10-08
Description: A waveguide structure is emplanted in the earth to bound a particular volume of an earth formation with a waveguide structure formed of...
Show moreA waveguide structure is emplanted in the earth to bound a particular volume of an earth formation with a waveguide structure formed of respective rows of discrete elongated electrodes wherein the spacing between rows is greater than the distance between electrodes in a respective row and in the case of vertical electrodes substantially less than the thickness of the hydrocarbonaceous earth formation. Electrical power at no more than a relatively low frequency is applied between respective rows of the electrodes to deliver power to the formation while producing relatively uniform heating thereof and limiting the relative loss of heat to adjacent barren regions to less than a tolerable amount. At the same time the temperature of the electrodes is controlled near the vaporization point of water thereat to maintain an electrically conductive path between the electrodes and the formation.
Sponsorship: IIT Research Institute
United States Patent
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Title: Magnetic Transducer
Creator: Anderson, Marvin E.
Date: 1965-01-05
Description: Sponsorship: IIT Research Institute
United States Patent

Title: Refined Permission Constraints Using Internal and External Data Extraction in a Role-based Access Control System
Creator: Frieder, Ophir, Ren, Shangping
Date: 2012-09-19, 2012-09-18
Description: The present invention can enable increasing refinement of role-based permission to access data within a Role Based Access Control (RBAC)...
Show moreThe present invention can enable increasing refinement of role-based permission to access data within a Role Based Access Control (RBAC) controlled computer system by enabling constraints to be written on the role-based permissions. The constraints may utilize each and every type or combination of subject, object, or environment information extracted from sources internal or external to the controlled computer system and may evaluate the content or context of the information extracted to enable refined and dynamic access after the role permission assignment and immediately before every access grant without the reassignment of roles.
Sponsorship: Illinois Institute of Technology
United States Patent
Primary US Patent Classification 707/783
International Patent Classification G06F 17/30
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Title: Electromagnetic Transducer Head Assembly
Creator: Zenner, Raymond E.
Date: 1951-01-16
Description: Sponsorship: Armour Research Foundation of Illinois Institute of Technology
United States Patent

Title: Peer-to-Peer File Sharing
Creator: Frieder, Ophir, Yee, Wai Gen
Date: 2012-03-20, 2010-04-17
Description: A peer-to-peer (P2P) file sharing system is provided with an enhanced search method for a client node therein. A search from the client...
Show moreA peer-to-peer (P2P) file sharing system is provided with an enhanced search method for a client node therein. A search from the client contains a primary search of metadata words and a secondary search of content file keys taken from the primary search results. The results of the secondary search are then used to rerank the results of the primary search before the client displays the results of the search to the user. Metadata distribution schemes can also be used to further enhance the utility of the system. Enhanced P2P file searching accuracy is thus provided. Applications for selective peer-to-peer communication may further be employed.
Sponsorship: Illinois Institute of Technology
United States Patent
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Title: Stencil Screens
Creator: Kinney, Layton C., Tompkins, Edwin H.
Date: 2009-05-04, 1976-01-27
Description: A blank for forming a stencil screen for silk screen or electrostatic stencil printing is disclosed. The screen includes a resilient, high...
Show moreA blank for forming a stencil screen for silk screen or electrostatic stencil printing is disclosed. The screen includes a resilient, high tensile strength, porous substrate such as a monofilamentary nylon or stainless steel 200-mesh screen. A light radiation absorbent, self-combustible, ink-resistant, ink-impervious and tough film is applied to the screen, suitably a combustible black nitrocellulose film or a black cellulose ether film containing finely dispersed nitrate or perchlorate. The film is selectively removed by directly pulsing high-intensity light of over 10 joules per square inch for a short duration of 1 to 50 milliseconds in the form of an image pattern to ignite and completely combust the film only in said areas during the duration of the pulse.
Sponsorship: IIT Research Institute
United States Patent
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Title: Magnetic Recorder with Pressure Shoe for Record Members
Creator: Camras, Marvin
Date: 1952-07-15
Description: Sponsorship: Armour Research Foundation of Illinois Institute of Technology
United States Patent
United States Patent

Title: Magnetic Transducer System and Method
Creator: Camras, Marvin
Date: 2010-01-26, 1972-08-22
Description: A magnetic transducer head having a coupling gap of controllable effective longitudinal dimension. In one embodiment a gap spacer of magnetic...
Show moreA magnetic transducer head having a coupling gap of controllable effective longitudinal dimension. In one embodiment a gap spacer of magnetic material is energized by bias current and/or signal current during recording while being deenergized during playback to provide a larger coupling gap for recording than for playback. Recording gap size may be controlled dynamically, or a very high frequency bias current such as 100 mhz may be supplied to the magnetic gap spacer. A magnetic head may have a zero gap dimension when the magnetic gap spacer is deenergized to prevent any substantial residual external field. An electro-magnetic transducer head with the electric circuit portion including a path through the electrically conductive magnetic corepiece at the transducer gap, thus concentrating the gap field and mininizing core losses at very high bias or signal frequencies.
Sponsorship: IIT Research Institute
United States Patent
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Title: Continuous Antisolvent Crystallization Process and System Using Plug Flow Reactors
Creator: Myerson, Allan S., Alvarez, Alejandro
Date: 2012-07-12, 2012-07-10
Description: A process and system for continuous crystallization of a compound using antisolvent addition in which a solution is prepared with an organic...
Show moreA process and system for continuous crystallization of a compound using antisolvent addition in which a solution is prepared with an organic compound and a solvent. An antisolvent is added to the solution in a continuous plug flow system comprising at least one process module. The antisolvent can be added in multiple addition points such that the overall amount of antisolvent added to the continuous plug flow reactor remains fixed. The multiple addition point technique provides every process module with an equal volume of antisolvent. Finally, crystals are recovered from the slurry upon exiting the system. Preferably, the mean crystal size is less than 100 μm.
Sponsorship: Illinois Institute of Technology
United States Patent
Primary US Patent Classification 117/68
US Patent Classification 117/69
US Patent Classification 117/70
International Patent Classification C30B29/54
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Title: Nickel Base Alloys and Process for their Manufacture
Creator: Holtz, Frederick C
Date: 4/24/2009, 1970-03-24
Description: Sponsorship: IIT Research Institute
United States Patent

Title: Electro-Osmotic Production of Hydrocarbons Utilizing Conduction Heating of Hydrocarbonaceous Formations
Creator: Bridges, Jack E., Taflove, Allen, Sresty, Guggilam C.
Date: 2009-05-08, 1987-02-24
Description: An electro-osmotic method for the production of hydrocarbons utilizes in situ heating of earth formations having substantial electrical...
Show moreAn electro-osmotic method for the production of hydrocarbons utilizes in situ heating of earth formations having substantial electrical conductivity. A particular volume of an earth formation is bounded with a waveguide structure formed of respective rows of discrete elongated electrodes in a dense array wherein the active electrode area and the row separation are chosen in reference to the deposit thickness to avoid heating barren layers. Electrical power is applied at no more than a relatively low frequency between respective rows of electrodes to deliver power to the formation while producing relatively uniform heating thereof and limiting the relative loss of heat to adjacent regions to less than a predetermined amount. At the same time the temperature of the electrodes is controlled near the vaporization point of water to maintain an electrically conductive path between the electrodes and the formation. A heat sink is provided by supplying aqueous liquid electrolyte to space between the electrodes and the adjacent formation, thereby maintaining the temperature thereat no greater than about the boiling point of water and maintaining a conductive path between said formation. A d.c. polarized potential is applied to enhance flow of reservoir fluid into a preselected row of electrodes, and collected reservoir fluids are removed from the electrodes in the preselected row.
Sponsorship: IIT Research Institute
United States Patent
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Title: Magnetic Transducer Head with Auxiliary Means for Diverting Residual Flux
Creator: Camras, Marvin
Date: 2009-04-27, 1971-07-06
Description: A magnetic head is shown having auxiliary core material in a substantially unstressed condition with very low direct current coercivity and...
Show moreA magnetic head is shown having auxiliary core material in a substantially unstressed condition with very low direct current coercivity and located within the working magnetic core for diverting magnetic flux due to residual magnetization of the main core of the head away from the record medium path. Crossfield magnetic heads, offset pole magnetic heads, and composite core magnetic heads with windings for different frequency ranges are also disclosed.
Sponsorship: IIT Research Institute
United States Patent
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