KING ABDULAZIZ CITY SCIENCE AND TECHNOLOGY Patent applications |
Patent application number | Title | Published |
20130178572 | CLEAN FLAME RETARDANT COMPOSITIONS WITH CARBON NANO TUBE FOR ENHANCING MECHANICAL PROPERTIES FOR INSULATION OF WIRE AND CABLE - Commercial thermoplastic clean flame retardant materials in wire and cable insulation are mechanically unstable due to high filler loading. In the present invention, thermoplastic, black color, clean flame retardant composition using carbon nano tubes (CNT) is made. The resultant compositions possess very low smoke and toxicity. CNT with outer diameter of 40-60 nm and length of under 20 μm are used to increase mechanical properties and flame retardancy. Thermo plastically extruded composition consists of each component by parts by weight as follows: 100 of resin (polyolefin or 100 of polyolefin/ethylene propylene diene monomer (EPDM)), 90-150 of non-halogen containing flame retardants, 1-20 of auxiliary secondary flame retardant agents, 2-4 of CNT (outer diameter of 40-60 nm) and length under 20 μm and 0.2-1.0 of antioxidants. A reliable method for producing thermoplastic black color clean flame retardant insulation material for wire and cable without deterioration of mechanical properties is discussed. | 07-11-2013 |
20130123383 | CROSS- LINKED CLEAN FLAME RETARDANT WIRE AND CABLE INSULATION COMPOSITIONS FOR ENHANCING MECHANICAL PROPERTIES AND FLAME RETARDANCY - This invention focuses on improving mechanical properties without deteriorating flame retardancy in peroxide cross-linked and radiation cross-linked thermosetting clean flame retardant compositions. Optimal mechanical properties can be obtained by modifying the ratios of MAGNIFIN H10A/Ultracarb LH 15X in peroxide crosslinked or radiation crosslinked clean flame retardant composition. Higher tensile strength can be obtained by higher MAGNIFIN H10A content, and higher elongation at break can be obtained by higher Ultracarb LH 15X content. The invented compositions show excellent mechanical properties, flame retardancy, thermal properties, electrical properties and process ability for meeting the stringent specifications of wire and cable industry. Composition is made of 100 parts by weight of resin (polyolefin or 100 parts by weight of polyolefin/EPDM), 90-150 parts by weight of MAGNIFIN H10A/Ultracarb LH 15X as main flame retardants, 1-20 parts by weight of auxiliary secondary flame retardant agents and 0.2-1.0 parts by weight of antioxidants. | 05-16-2013 |
20130104775 | COMPOSITION FOR CONSTRUCTION MATERIALS MANUFACTURING AND THE METHOD OF ITS PRODUCTION | 05-02-2013 |
20130081557 | ENVIRONMENT FRIENDLY COMPOSITE CONSTRUCTION MATERIALS - Disclosed are a system, a method and/or composition of environment friendly composite construction material. In one aspect, a method includes providing a mixture of a pozzolanic material and/or a kaolin clay with an activator solution to form an alumino-silicate cementitious material through a resulting geo-polymerization process. The alumino-silicate cementitious material is in the form of a paste. The method also includes processing the alumino-silicate cementitious material to transform the alumino-silicate cementitious material that is in the form of the paste to a form of a powder of the alumino-silicate cementitious material. The method further includes mixing the alumino-silicate cementitious material which is in the form of the powder with water to control a workability of the alumino-silicate cementitious material. Furthermore the method includes combining a mixture of the alumino-silicate cementitious material and water with a coarse aggregate, a fine aggregate and/or a plasticizer to form a composite construction material. | 04-04-2013 |
20120321020 | COMPLENTARY DIFFERENTIAL INPUT BASED MIXER CIRCUIT - A method, an apparatus and/or a system of complementary differential input based mixer circuit is disclosed. In one aspect, the method includes inputting a single ended signal to a mixer circuit comprising a differential input circuit through a complementary differential transistor pair of the differential input circuit of the mixer circuit. The method also includes converting the signal ended signal to a differential signal through the complementary differential transistor pair of the differential input circuit to drive the mixer circuit. | 12-20-2012 |
20120304894 | REDUCTION OF CARBON DIOXIDE IN THE MANUFACTURING OF COMPOSITE CONSTRUCTION MATERIALS - Disclosed are a system, a method and/or composition of reduction of carbon dioxide in the manufacturing of cement and concrete. In one embodiment, a method of producing a concrete, includes preparing a dried powder mixture of an alkali hydroxide, a sodium silicate, clay and a pozzolanic material. The dried powder with water may be reacted to form a cement paste. In addition, the cement paste may be mixed with at one of sand, an aggregate, a plasticizer and a nano additive to form the concrete. | 12-06-2012 |
20120274409 | INJECTION LOCKING BASED POWER AMPLIFIER - A method, an apparatus and/or a system of injection locking based power amplifier is disclosed. A method includes inputting a reference signal through an injection circuit of an oscillator circuit that generates an output signal of high power that oscillates at an inherent frequency of oscillation of the oscillator circuit. The method also includes reducing a frequency of the reference signal through a differential transistor pair coupled to the injection circuit of the oscillator circuit. The method further includes locking through a tuning circuit of the oscillator circuit coupled to the differential transistor pair a frequency of the output signal to the reduced frequency of the reference signal based on the power of the reference signal to amplify the power of the reference signal through the oscillator circuit. The frequency of the reference signal is higher than the frequency of the output signal. | 11-01-2012 |
20120244874 | CONTROLLED MOBILE COMMUNICATION IN A SOCIALLY SENSITIVE ENVIRONMENT - A method includes identifying, through a base station controller, a mobile device when the mobile device is within a coverage area of an antenna of a base station associated with the base station controller based on an identification data of the mobile device. The method also includes determining that the mobile device is within the coverage area based on a sequence of detection of the mobile device through the antenna and another antenna when the mobile device passes an access control point to enter the coverage area, and gaining, through the base station controller, control of an access of wireless communication associated with the mobile device based on the identification data when the mobile device is within the coverage area. The control is gained through the antenna generating a signal that is stronger than a wireless signal of a cell site associated with a wireless service to the mobile device. | 09-27-2012 |
20120244860 | SELECTIVE CONTROL OF A WIRELESS SERVICE ASSOCIATED WITH A MOBILE DEVICE - A mobile communication system includes a network listener base station associated with a vehicle configured to scan an environment within the mobile communication system and a second base station associated with the vehicle. The second base station includes an antenna associated therewith to generate a signal that is stronger than a wireless signal of a cell site associated with a wireless service to a mobile device within the vehicle. The mobile communication system also includes a base station controller to identify the mobile device when the mobile device is within the controlled area, to determine that the mobile device is within the controlled area, and to gain control of an access of wireless communication associated with the mobile device when the mobile device is within the controlled area through the generation of the stronger signal of the second antenna. | 09-27-2012 |
20120244834 | CONTROLLED MOBILE COMMUNICATION AS A SERVICE - A method of providing controlled mobile communication as a service includes storing, in a memory associated with a data processing device and/or a base station controller, a level of control of wireless communication associated with a mobile device of a customer of the controlled mobile communication as a service. The wireless communication is provided through a mobile network operator. The method also includes identifying, through the base station controller, the mobile device based on an identification data associated therewith when the mobile device is within a controlled area associated with the controlled mobile communication service, and controlling the wireless communication associated with the mobile device of the customer through the base station controller in accordance with the level of control stored in the memory following the identification of the mobile device. | 09-27-2012 |
20120230810 | SHROUNDED WIND TURBINE CONFIGURATION WITH NOZZLE AUGMENTED DIFFUSER - Disclosed are a system, a method and an apparatus of diffuser nozzle augmented wind turbine. In one embodiment, a method includes attaching a nozzle with a streamlined opening to a diffuser to direct an air flow into a wind turbine. In addition, the method includes increasing a wind speed approaching a set of turbine blades within a shrouded wind turbine configuration. The method also includes recirculating the air within the shroud configuration to increase an output power generated through the wind turbine. The system is composed of diffuser and nozzle integrated and non-integrated with and without a flange. In one embodiment, a method includes increasing a pressure differential of a wind turbine. | 09-13-2012 |
20120229626 | METHOD OF PREDICTING A TRAJECTORY OF AN ASTEROID - Disclosed are a system, a method and an apparatus of predicting a trajectory of an asteroid. In one embodiment, a method of predicting a trajectory of an asteroid near a celestial object, includes continuously monitoring, through a high-definition camera optimized for space viewing, an unlimited expanse of space as visible from a location of the high-definition camera optimized for space viewing. The method also includes detecting a change in a light intensity of one of a plurality of stars. In addition, the method includes determining that the light intensity of a star has changed beyond a threshold parameter. The method further includes detecting an occultation, through a discriminating sensor, when the change in the light intensity of the star is determined. On detecting occultation, the method includes recording a set of properties associated with the occultation. | 09-13-2012 |
20120177545 | NOVEL COMBINATION CATALYSTS BASED ON IRON FOR THE SUBSTANTIAL SYNTHESIS OF MULTI-WALLED CARBON NANOTUBES BY CHEMICAL VAPOR DEPOSITION - Methods and systems of preparing a catalyst to be used in the synthesis of carbon nanotubes through Chemical Vapor Depositions are disclosed. The method may include a mixture comprising at least one of an iron catalyst source and a catalyst support. In another aspect, a method of synthesizing multi-walled carbon nanotubes using the catalyst is disclosed. The method may include driving a reaction in a CVD furnace and generating at least one multi-walled carbon nanotube through the reaction. The method also includes depositing the catalyst on the CVD furnace and driving a carbon source with a carrier gas to the CVD furnace. The method further includes decomposing the carbon source in the presence of the catalyst under a sufficient gas pressure for a sufficient time to grow at least one multi-walled carbon nanotube. | 07-12-2012 |
20120114550 | NOVEL COMBINATION CATALYSTS BASED ON IRON FOR THE SUBSTANTIAL SYNTHESIS OF MULTI-WALLED CARBON NANOTUBES BY CHEMICAL VAPOR DEPOSITION - Methods and systems of preparing a catalyst to be used in the synthesis of carbon nanotubes through Chemical Vapor Depositions are disclosed. The method may include a mixture comprising at least one of an iron catalyst source and a catalyst support. In another aspect, a method of synthesizing multi-walled carbon nanotubes using the catalyst is disclosed. The method may include driving a reaction in a CVD furnace and generating at least one multi-walled carbon nanotube through the reaction. The method also includes depositing the catalyst on the CVD furnace and driving a carbon source with a carrier gas to the CVD furnace. The method further includes decomposing the carbon source in the presence of the catalyst under a sufficient gas pressure for a sufficient time to grow at least one multi-walled carbon nanotube. | 05-10-2012 |
20120085636 | INCREASED EFFICIENCY IN THE SYNTHESIS OF CARBON NANOMATERIAL - Disclosed is a system or method of increased efficiency in carbon nanomaterial synthesis. In one embodiment, a system or method of automated collection of deposited carbon nanomaterial is disclosed. According to one or more embodiments, a method of automated collection of deposited nanomaterial may comprise using cleaner blades to clean the wall of a deposition chamber and the surface of a central body where carbon nanomaterial has been deposited. The method of automated carbon nanomaterial collection may be used in connection with a method of carbon nanomaterial synthesis, to create a more efficient synthesis process. | 04-12-2012 |
20120057152 | HIGH-SPEED ANALOG PHOTON COUNTER AND METHOD - A high speed analog photon counter and method is provided. In one aspect, the method includes delivering an electric charge to a circuit of the high speed analog photon counter through a current source of the circuit. The method also includes accumulating the electric charge in a capacitor of the circuit electrically coupled to the current source. The method further includes comparing the electric charge accumulated in the capacitor of the circuit with a reference voltage through a comparator of the circuit electrically coupled to an output of the capacitor. The output of the capacitor of the circuit is coupled to an input of the comparator of the circuit, and the reference voltage is coupled to another input of the comparator of the circuit. The method furthermore includes resetting the capacitor of the circuit when the electric charge accumulated in the capacitor of the circuit matches the reference voltage. | 03-08-2012 |
20120057059 | SINGLE PHOTON COUNTING IMAGE SENSOR AND METHOD - A single photon counting image sensor and method is provided. In one aspect, the method of an image sensor includes counting through a counter circuit a number of photons detected through a photodiode when a light is incident on the photodiode. The method also includes storing in a memory circuit a time a count of the number of photons take to match a reference count of the number of photons. In another aspect, an image sensor device includes a pixel circuit. The image sensor device also includes a photodiode circuit of the pixel circuit to detect photons when a light is incident on the photodiode circuit. The image sensor device further includes a counter circuit of the pixel circuit coupled to the photodiode circuit to count a number of photons detected when a light is incident on the avalanche photo diode. | 03-08-2012 |
20120056078 | COORDINATED IN-PIXEL LIGHT DETECTION METHOD AND APPARATUS - A method and apparatus of coordinated in-pixel light detection is provided. In one aspect, the method includes implementing an N-number of avalanche photodiodes inside a pixel circuit of a light detection circuit. The method also includes coordinating an output of the N-number of avalanche photodiodes through a counter circuit. The method further includes reducing a deadtime of the light detection circuit by a factor of ‘N’ through the N-number of avalanche photodiodes and the counter circuit operating in concert. The method furthermore includes measuring an intensity of a light through the light detection circuit. N-number of avalanche photodiodes is in a common well of a semiconductor technology. N-number of avalanche photodiodes is fabricated on a deep submicron semiconductor technology. A fill factor of the pixel circuit improves and a deadtime reduces through fabrication of the avalanche photodiodes in a common well. Also, a photon count rate increases through reducing the deadtime. | 03-08-2012 |
20120021103 | REMOVAL OF PESTICIDE RESIDUES IN FOOD BY IONIZING RADIATION - The present disclosure relates to a process for removal of pesticide residues from aqueous solutions and food products by ionizing radiation. Standard pesticides concentrations recognized by international organizations as maximum residues limit (MRLs) were used as the targeted concentrations in both aqueous solutions and food products. Commercially known pesticides and recommended irradiation doses by International Atomic Energy Agency (IAEA) were selected for this investigation. Aqueous solutions and food products fortified with pesticide residues were subjected to selected doses of ionizing radiation. Radiation-induced removal of pesticide residues is generally greater in aqueous solutions than in food products. Ionizing radiation can reduce the residues of pirimiphos-methyl in potatoes, grapes and dates; malathion and cypermethrin in grapes to below MRLs at the recommended irradiation doses. | 01-26-2012 |
20110300360 | HIGH DOSE FILM DOSIMETER BASED ON NITRO BLUE TETRAZOLIUM AND POLYVINYL BUTYRAL FOR RADIATION PROCESSING - NBT-PVA film dosimeters performance is affected due to high humidity levels. NBT-PVB film dosimeters with a relatively small effect of high humidity levels on its performance are invented. NBT-PVB film dosimeters are made by using alcoholic solution to dissolve both of NBT and PVB. The films are very useful for routine dosimeter in industrial radiation processing. A very high sensitivity NBT-PVB Radio-chromic film dosimeter is achieved due to high solubility of NBT dye in 2-methoxyethanol enabling the addition of very high concentrations of NBT dye in the film dosimeters. The dose response of conventional NBT-PVA dosimeter films are normally saturated after 50 kGy, while the invented composites of NBT-PVB dosimeter films demonstrated high dose range up to 100 kGy for high dose industrial use. | 12-08-2011 |