Ovidiu
Ovidiu Aioanei, San Jose, CA US
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20120056864 | DYNAMIC VOLTAGE SUPPLY FOR LCD TIMING CONTROLLER - An integrated circuit voltage supply circuitry for liquid crystal display and a method are disclosed. The voltage supply comprises a DC voltage regulator having a reference voltage input and a feedback voltage input; a positive voltage pin and a negative voltage pin providing power to the DC voltage regulator; a network of resistors comprising a plurality of parallel branches, each branch having at least one resistor and one node; a plurality of LCD modules supported by the DC voltage regulator, each module connecting to the node of each parallel branch; a plurality of diodes each formed between the node of one module and a feedback diode; and the feedback diode connected to the feedback voltage input of the DC voltage regulator, wherein the DC voltage regulator keeps the voltage for each LCD module not lower than the reference voltage, regardless of each module's consumption of current. | 03-08-2012 |
20120062605 | LED BACKLIGHT DIMMING CONTROL FOR LCD APPLICATIONS - According to embodiments disclosed herein, a liquid crystal display (LCD) panel system may include a display system, and a timing controller and power management circuit to provide control signals and power to the display system, wherein the control signals include an adjustable current to control the LCD panel brightness. Further according to some embodiments disclosed herein, a method for controlling the brightness of an LCD panel system having a display system may include the steps of using a timing controller and power management circuit to provide control signals and power to the display system; the control signals including an adjustable current to control the LCD panel brightness. | 03-15-2012 |
20150035372 | MULTIMODE WIRELESS POWER RECEIVERS AND RELATED METHODS - A wireless power receiver comprises a resonant tank configured to generate an AC power signal responsive to an electromagnetic field, a rectifier configured to receive the AC power signal and generate a DC output power signal, and control logic configured to control the resonant tank to reconfigure and adjust its resonant frequency responsive to a determined transmitter type of a wireless power transmitter. The control logic may operate the wireless power receiver as a multimode receiver having a first mode for a first transmitter type and a second mode for a second transmitter type. The resonant tank may exhibit a different resonant frequency for each of the first mode and the second mode. A method comprises determining a transmitter type for a wireless power transmitter desired to establish a mutual inductance relationship, and adjusting a resonant frequency of a resonant tank of a wireless power receiver. | 02-05-2015 |
20150097438 | MULTIMODE WIRELESS POWER TRANSMITTERS AND RELATED METHODS - A wireless power transmitter comprises a bridge inverter configured to receive a DC power signal and generate an AC power signal according to an operating frequency, a resonant tank configured to receive the AC power signal and generate an electromagnetic field responsive thereto, and control logic configured to cause the resonant tank to reconfigure and adjust its resonant frequency for a particular receiver type of a wireless power receiver with which a mutual inductance relationship is desired. A method comprises determining a receiver type for a wireless power receiver with which it is desired to establish a mutual inductance relationship for wireless power transfer, and generating a wireless power signal with a wireless power transmitter having an operating frequency and resonant tank that is adjusted for a particular receiver type. | 04-09-2015 |
Ovidiu Andronesi, Melrose, MA US
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20140035580 | System for Optimized Low Power MR Imaging - A system acquires MR imaging data of a portion of patient anatomy associated with proton spin lattice relaxation time in a rotating frame using an RF (Radio Frequency) signal generator configured to generate RF excitation pulses and a magnetic field gradient generator configured to generate anatomical volume select magnetic field gradients for phase encoding and readout RF data acquisition. The RF signal generator and the gradient generator are configured to provide a rotating frame preparation pulse sequence comprising at least one of, (a) a T1 spin lattice relaxation in a rotating frame (T1ρ) preparation pulse sequence of adiabatic pulses comprising modulated RF pulses and modulated magnetic field gradients for slice selection and (b) a T2 spin-spin relaxation in a rotating frame (T2ρ) preparation pulse sequence of adiabatic pulses comprising modulated RF pulses and modulated magnetic field gradients for slice selection | 02-06-2014 |
20150245778 | Low Power Perfusion Imaging - Disclosed herein is a framework for facilitating low power perfusion imaging. In accordance with one aspect, a gradient-modulated constant-adiabaticity radio frequency pulse sequence is generated. A labeling pulse from the pulse sequence is applied to a region of interest to label fluid supplying the region of interest and to acquire a tagged image. A control pulse from the pulse sequence may also be applied to the region of interest to acquire a control image. A perfusion image may then be generated using the tagged image and the control image. | 09-03-2015 |
Ovidiu Bajdechi, San Jose, CA US
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20120038393 | Mode Dependent Driving of the Center Tap in Ethernet Communications - An output stage comprising a current mode line driver, a voltage mode line driver, and a center-tapped transformer for coupling data provided by the line drivers to a transmission line is provided herein. The output stage is configured to operate in a backwards compatible Ethernet communication device. For example, the Ethernet communication device is configured to support 10G Ethernet and legacy Ethernet modes of 10BASE-T, 100BASE-T, and 1000BASE-T. The current mode line driver can be utilized while operating in the 10G Ethernet mode to provide high linearity. The voltage mode line driver can be utilized while operating in legacy mode to conserve power. In order to accommodate the use of two different line drivers, a switch and/or a voltage regulator is used to couple/decouple a dc voltage to a center-tap of the transformer based on which of the two different line drivers is currently active. | 02-16-2012 |
20130076549 | GATE LEAKAGE COMPENSATION IN A CURRENT MIRROR - A method and apparatus is disclosed to compensate for gate leakage currents of thin oxide devices that have very thin oxide layers in a current mirror of a digital-to-analog converter (DAC). The DAC converts a digital input signal from a digital representation in a digital signaling domain to an analog representation in an analog signaling domain to provide an analog output signal. The DAC uses one or more transistors to convert the digital input signal from the digital representation to the analog representation. These transistors are typically implemented using thin oxide devices that have very thin oxide layers and corresponding gate leakage currents that are associated with these very thin oxide layers. The current-steering DAC provides these gate leakage currents independent of its corresponding reference source without any substantial affect upon its full scale output. | 03-28-2013 |
20130234788 | Gate Leakage Compensation in a Current Mirror - A method and apparatus is disclosed to compensate for gate leakage currents of thin oxide devices that have very thin oxide layers in a current mirror of a digital-to-analog converter (DAC). The DAC converts a digital input signal from a digital representation in a digital signaling domain to an analog representation in an analog signaling domain to provide an analog output signal. The DAC uses one or more transistors to convert the digital input signal from the digital representation to the analog representation. These transistors are typically implemented using thin oxide devices that have very thin oxide layers and corresponding gate leakage currents that are associated with these very thin oxide layers. The current-steering DAC provides these gate leakage currents independent of its corresponding, reference source without any substantial affect upon its full scale output. | 09-12-2013 |
Ovidiu Bajdechi, Santa Clara, CA US
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20090027122 | Compact Low-Power Class AB Amplifier - A compact low-power class AB power amplifier design is provided. In an embodiment, the amplifier design eliminates an intermediate stage that couples an input stage and a biasing mesh of the amplifier. In another embodiment, the amplifier design reuses a tail current from the input stage to bias the biasing mesh. Accordingly, a much higher power efficiency can be achieved using the proposed amplifier design compared to conventional class AB amplifiers. Further, the proposed amplifier design is extremely compact and occupies a small silicon area. | 01-29-2009 |
Ovidiu Bajdechi, Delft NL
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20080253356 | METHOD AND SYSTEM FOR A POWER REDUCTION SCHEME FOR ETHERNET PHYS - Aspects of a method and system for a power reduction scheme for Ethernet PHYs are provided. An Ethernet PHY in a link partner may disable transmission via a transmit DAC integrated during an inactive connection, 10Base-T autonegotiation operation, and/or active 10Base-T connection with no data packet transmission. The DAC may be a voltage mode or current mode DAC. The PHY or a MAC device may determine when to disable transmission via the DAC. In this regard, the PHY or the MAC device may generate appropriate signals for disabling the transmission. The DAC may be enabled for transmission by the PHY or the MAC device when a connection becomes active or when an active 10Base-T connection is ready to transmit data. Moreover, the PHY may enable transmission via the DAC when operating in a forced 10Base-T mode of operation and the connection to the link partner is active. | 10-16-2008 |
20130182717 | Method And System For A Power Reduction Scheme For Ethernet PHYS - Aspects of a method and system for a power reduction scheme for Ethernet PHYs are provided. An Ethernet PHY in a link partner may disable transmission via a transmit DAC integrated during an inactive connection, 10Base-T autonegotiation operation, and/or active 10Base-T connection with no data packet transmission. The DAC may be a voltage mode or current mode DAC. The PHY or a MAC device may determine when to disable transmission via the DAC. In this regard, the PHY or the MAC device may generate appropriate signals for disabling the transmission. The DAC may be enabled for transmission by the PHY or the MAC device when a connection becomes active or when an active 10Base-T connection is ready to transmit data. Moreover, the PHY may enable transmission via the DAC when operating in a forced 10Base-T mode of operation and the connection to the link partner is active. | 07-18-2013 |
20140084970 | LOW-POWER ETHERNET TRANSMITTER - An electrical circuit comprising a line driver for providing Ethernet signals is disclosed. The line driver comprises a voltage mode line driver for producing 1000BT and 100BT Ethernet signals and an active output impedance line driver arranged parallel to the voltage mode line driver. The line driver is capable of producing 1000BT or 100BT or 10BT Ethernet signals, wherein either the voltage mode line driver or the active impedance line driver is active. | 03-27-2014 |
Ovidiu Baltatu, Leipzig DE
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20100173919 | PHARMACEUTICAL COMPOSITION USING ALISKIREN AND AVOSENTAN - The present invention relates to a pharmaceutical composition and method of achieving a therapeutic effect including, but not limited to, the treatment of hypertension, kidney or heart disease in an animal, preferably a mammal including a human subject, using (i) SPP100/aliskiren or a pharmaceutically acceptable salt thereof in combination with (ii) SPP301/avosentan or a pharmaceutically acceptable salt thereof and (iii) a pharmaceutically acceptable carrier. | 07-08-2010 |
Ovidiu Ersen, Strasbourg FR
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20120241690 | PREPARATION OF GRAPHENE BY MECHANICALLY THINNING GRAPHITE MATERIALS - The preparation of graphene, mono-, bi- and multi-layers from graphite-based precursor materials, for example, pencil lead or graphite, by a method of mechanical thinning on the surface of a planar substrate with controlled roughness, followed by sonication in order to collect the graphene deposited on the substrate in a liquid medium. The bearing force during thinning by mechanical friction enables the number of graphene sheets deposited on the surface of the substrate to be controlled. | 09-27-2012 |
Ovidiu Feieriova, Darmstadt DE
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20130263878 | OXIDIZING COMPOSITION FOR HAIR - Present invention relates to an oxidizing composition for keratin fibers especially for human hair with improved lightening effect and therefore, improved colouring and bleaching effects are easily achieved of the compositions applied after mixing with the said composition. Present inventors have surprisingly found out that a composition comprising at least one oxidizing agent and additionally at least one alkalizing agent, at least one carbonate source and at least one urea derivative delivers an improved and homogeneous lightening performance and leaves hair in an improved cosmetically acceptable conditioned status. | 10-10-2013 |
20130269722 | OXIDIZING COMPOSITION FOR HAIR - Present invention relates to an oxidizing composition for keratin fibers especially for human hair with improved lightening effect and therefore, improved colouring and bleaching effects are easily achieved of the compositions applied after mixing with the said composition. Present inventors have surprisingly found out that a composition comprising at least one oxidizing agent and additionally at least one alkalizing agent, at least one carbonate source and at least one urea derivative delivers an improved and homogeneous lightening performance and leaves hair in an improved cosmetically acceptable conditioned status. | 10-17-2013 |
Ovidiu Feier-Iova, Darmstadt DE
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20120103359 | COMPOSITION AND METHOD FOR LEVELLING HAIR COLOUR - The present invention relates to a composition and a method of levelling hair colour, especially lighter coloured hair or including lightened streaks or bleached streaks or bleached as a whole and after certain period of time contrast—difference in colour—between the re-growth and formerly lightened parts is clearly visible. The first objective of the present invention is an aqueous composition for levelling hair colour comprising at least one fatty acid salt, preferably an in-situ formed ammonium salt, and one or more non-ionic surfactants at a total concentration between 5 and 30% by weight, calculated to total of the composition, and having a pH between 5 and 12, with the condition that non-ionic surfactant system has an HLB value not exceeding but including 10, calculated from the mol fraction of individual non-ionic surfactants excluding non-ionic silicone surfactants in the non-ionic surfactant mixture and individual HLB values of non-ionic surfactants. Furthermore, use of the composition for levelling hair colour and a method of levelling hair colour are disclosed. | 05-03-2012 |
20120103360 | COMPOSITION AND METHOD FOR LEVELLING HAIR COLOUR - The present invention relates to an aqueous composition and a method of levelling hair colour especially the hair lighter coloured or including lightened streaks or bleached streaks or bleached as a whole and after certain period of time contrast—difference in colour - between the re-growth and formerly lightened parts is clearly visible. Compositions comprising at least one fatty acid salt, preferably an in-situ formed ammonium or substituted ammonium salt, and one or more cationic or cationizable surfactants with the general structure | 05-03-2012 |
20120107262 | COMPOSITION AND METHOD FOR LEVELLING HAIR COLOUR - The present invention relates to a composition and a method of levelling hair colour, especially lighter coloured hair or including lightened streaks or bleached streaks or bleached as a whole and after certain period of time contrast—difference in colour—between the re-growth and formerly lightened parts is clearly visible. The first objective of the present invention is an aqueous composition for levelling hair colour comprising at least one fatty acid salt, preferably an in-situ formed ammonium salt, and one or more anionic surfactants at a total concentration between 5 and 30% by weight, calculated to total of the composition, and has a pH between 5 and 12. Furthermore, use of the composition for levelling hair colour and a method of levelling hair colour are disclosed. | 05-03-2012 |
20120111352 | COMPOSITION AND METHOD FOR LEVELLING HAIR COLOUR - The present invention relates to a composition and a method of levelling hair colour especially lighter coloured hair or including lightened streaks or bleached streaks or bleached as a whole and after certain period of time contrast—difference in colour—between the re-growth and formerly lightened parts is clearly visible. The first objective of the present invention is an aqueous composition for levelling hair colour comprising at least one fatty acid salt, preferably an in-situ formed ammonium salt, and one or more amphoteric surfactants at a total concentration between 5 and 30% by weight, calculated to total of the composition, and has a pH between 5 and 12. Further the use of the composition for levelling hair colour and the method of levelling hair colour are disclosed. | 05-10-2012 |
Ovidiu Ferier-Iova, Darmstadt DE
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20140335037 | AQUEOUS OXIDIZING COMPOSITION - Present invention relates to an aqueous oxidizing composition comprising at least one oxidizing, at least one alkyl or alkanol amine, urea, at least one carbonate salt and at least one natural triglyceride. Composition comprises furthermore hair dyes. | 11-13-2014 |
Ovidiu Ghita, Dublin IE
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20100194870 | ULTRA-COMPACT APERTURE CONTROLLED DEPTH FROM DEFOCUS RANGE SENSOR - The present application teaches an implementation of an ultra-compact range sensor based on aperture varying passive depth from defocus. An embodiment of the present application teaches a range sensor, which is a fast LCD matrix that allows the acquisition of a plurality of images with variable focal levels by changing the size of the aperture of a typical lens. The range sensor of the present application may be implemented in mobile devices or used in the construction of medical endoscopes able to perform depth recovery. | 08-05-2010 |
Ovidiu Haiduc, Woodridge, IL US
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20150248729 | INTERACTIVE ALGORITHM FOR DETERMINING NEGOTIATED HEALTHCARE PRICE RATES - The present invention describes a system of automatic interaction between three groups of participants: a multitude of health care provider units, pharmacies or pharmaceutical or medical device manufacturers, a central organization system and a multitude of potential health care users or payers such as potential patients or groups of patients, employers or insurance companies. The purpose of the automatic interaction executed by the central organization system is to determine the best or lowest acceptable negotiated price for healthcare services or medications/devices by interested parties such as individual patients or groups of patients, employers or health insurance companies and resulting into a contract that will apply over a comprehensive all-inclusive list of health services or medications or devices, and that will result into health services rendered or medications or devices being sold from the all inclusive comprehensive list of services, medications or devices at any time during the time period indicated in contract. | 09-03-2015 |
Ovidiu Herlea, Bucharest RO
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20130164462 | SUBSTRATE - According to the present invention, there is provided a substrate comprising: a plurality of embossed grooves extending in a substantially parallel manner, there being a pitch for the spacing between the embossed grooves; a plurality of lines of deposited material provided in the vicinity of the embossed grooves, and extending in a substantially parallel manner, there being a pitch for the spacing between lines of deposited material, the deposited material having a different colour to the substrate; in a background region of the substrate to be presented to a viewer of the substrate, there being a fixed positional relationship between the substantially parallel embossed grooves and the substantially parallel lines of deposited material, such that the region presents a first background to a viewer of the substrate when viewed from a first angle, and such that the region presents a second background to a viewer of the substrate when viewed from a second angle, the first and second angles being defined as angles on either side of a perpendicular to that substrate; and in an image region of the substrate to be presented to a viewer of the substrate, there being one or more deviations from the fixed positional relationship to provide a first image feature against the first background when viewed from the first angle, and a second image feature against the second background when viewed from the second angle, and wherein, if the one or more deviations are in the line or lines of deposited material, each of the one or more deviations is lesser in extent than the pitch of the embossed grooves, and for a majority of that region of the substrate; or if the one or more deviations are in the embossed groove or grooves, each of the one or more deviations is lesser in extent than the pitch of lines of deposited material for a majority of that region. | 06-27-2013 |
Ovidiu Negru, Mississauga CA
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20150377750 | Non-Condensing Gas Sampling Probe System - A system for measuring water and/or gaseous phase content of high temperature process gases includes a probe for gas sample extraction and cooling temperatures below those which probe filter or gas analyzer components degrade. A heated gas extraction tube provided within the probe interior operates to maintain the thermal stability of the cooled gas sample to preserve chemical integrity. | 12-31-2015 |
Ovidiu Neiconi, Boynton Beach, FL US
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20080211958 | Dehumidified Equipment Housing - A dehumidified equipment housing may be used to house equipment including one or more mechanical devices and/or electronic devices. The dehumidified equipment housing may prevent condensation on one or more regions inside of the housing and may control condensation inside of the housing to provide a dehumidified environment inside of the housing. The dehumidified equipment housing may also remove condensed water to outside of the housing. | 09-04-2008 |
Ovidiu Platica, New York, NY US
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20140093872 | Method of Mutation Detection in Blood Cell-Free DNA Using Primer Extension (PE) and PCR - A method of detecting mutation in blood cell-free DNA, includes providing a serum sample, isolating DNA from the serum sample, amplifying the DNA by polymerase chain reaction (PCR), subjecting the PCR product to primer extension (PE), and separating the PE reaction product and identifying the mutation by gel electrophoresis. In order to improve accuracy and sensitivity, the PE reaction can be carried out by using a primer that blocks the extension of the wild or non-mutated sequence. | 04-03-2014 |
Ovidiu Ratiu, Marietta, GA US
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20100014443 | Methods and Systems for Location Estimation - A network operating center for a network comprising known-location and unknown-location nodes can be configured to receive from each unknown-location node estimates of the distances from that node to each of its neighbor nodes. The network controller can then choose an initial location estimate for each unknown-location node and compute distances from the initial location estimates to the corresponding neighbor nodes. The network operating center can then choose subsequent location estimates of the unknown-location nodes by minimizing an error criterion based on a comparison of the received neighbor node distance estimates with the computed neighbor node distances. | 01-21-2010 |
20100027437 | Systems and Methods for Determining Link Quality - Systems and methods for determining link quality are disclosed. In one embodiment, a method includes the steps of transmitting a first quantity of messages to a remote device, receiving a second quantity of message acknowledgements from the remote device, determining a receive signal strength indicator (RSSI) value, comparing the RSSI value to a minimum RSSI threshold. If the RSSI value is greater than the minimum RSSI threshold, calculating an end-to-end link quality (EELQ) based at least in part on the percentage of message acknowledgements received and the link quality of the previous link in the network, determining a message success rate based on the first quantity and the second quantity, receiving a link quality from the remote device, and determining an end-to-end link quality (EELQ) value based at least in part on a previous EELQ value and the message success rate. Otherwise the EELQ value is set to 0. Then calculating an end-to-end link cost (EELC) value based at least in part on the EELQ; selecting a route based at least in part on the EELC; and transmitting a message to a second device on the route. | 02-04-2010 |
20100098204 | Systems and Methods for Regulating Clock Precision in Distributed Devices - Systems and methods for regulating clock precision are disclosed. One embodiment is a method including receiving a clock signal from an oscillator, maintaining a signal count based on the clock signal; receiving a message comprising timing information from a remote device, calculating a drift value based at least in part on the timing information, and determining whether the drift is greater than a targeted clock accuracy. While the drift value is greater than the targeted clock accuracy, adjusting the signal count by the targeted clock accuracy, reducing the drift value by the targeted clock accuracy, and waiting a partial correction interval. If the drift value is less than the targeted clock accuracy, adjusting the signal count by the drift value. Then determining a receive time for a network message based at least in time on the signal count, and activating a wireless receiver based on the receive time to receive a message. | 04-22-2010 |
Ovidiu Ratiu, Atlanta, GA US
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20090135750 | System and Method for Message Consolidation in a Mesh Network - A system and method for consolidating messages in a network comprising an access node coupled to a computer and a plurality of radio nodes coupled to sensing devices, such as a utility meter, is disclosed. Inbound message consolidation includes a radio node receiving two or more inbound messages that are consolidated. The radio node wirelessly transmits the consolidated message to a radio node logically closer to the access node or directly to the access node if the access node is within the transmission range of the radio node. The access node extracts the individual messages from the consolidated message upon receipt. For outbound messages, the access node consolidates original messages having common routes and transmits the consolidated message to a last node in the common route. The last node in the common route splits the consolidated message into the original messages and transmits each one to a destination radio node. | 05-28-2009 |
Ovidiu Romanoschi, Highland Park, NJ US
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20150246131 | WATER-BASED PERSONAL LUBRICANTS WITH A SILICONE COMPONENT - The present invention provides a personal lubricant composition that includes (a) at least one silicone-containing component, and (b) a hydrophilic component comprising water and a polyol in respective amounts, which provide advantages such as to tactile and sensory, feel. | 09-03-2015 |
20150250704 | NON-IRRITIATING LUBRICANT COMPOSITIONS WITH ACTIVE SENSORIAL AGENTS - A non-irritating personal lubricant composition comprises a silicone fluid carrier and at least one sensorial agent, the composition having a viscosity of at least 175 centistokes. | 09-10-2015 |
Ovidiu Stavrica, Kenmore, WA US
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20080263670 | Methods, software and apparatus for detecting and neutralizing viruses from computer systems and networks - Methods, software or computer programs, and apparatus for detecting viruses and mitigating their harm to computers communicating through a gateway node to another network are disclosed. Upon detection of a virus in an incoming data stream or plurality of data packets directed to a gateway device or node, the data requesting recipient is notified and provided with a plurality of pre-defined virus handling action options. If the recipient, or designated proxy, fails to select an action option, then a random selection is made. If a selection is made, then that selection, to the exclusion of other action options, is carried out. Thus, the recipient is empowered to dynamically select, as circumstances dictate and without future prejudice, the appropriate response upon detection of a particular virus. Action options may include data encryption and forwarding with recipient notification, or where email is the vector, attachment removal and location link insertion may be used. Software embodiments of the invention provide the machine readable instructions to carry out the methods according to the invention. | 10-23-2008 |
Ovidiu Temereanca, Sammamish, WA US
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20100125512 | NETWORK-ACCESSIBLE VIRTUAL SHOPPING CART - The network-accessible virtual shopping cart includes shopping for digital content with a portable device. The portable device receives an instruction to add a digital content item to a virtual shopping cart. If a network connection to a network-accessible virtual shopping cart is available, the digital content item is added to the network-accessible virtual shopping cart. If a network connection to the network-accessible virtual shopping cart is not available, the digital content item is added to a local virtual shopping cart. Upon the network-accessible virtual shopping cart becoming available, digital content items are moved from the local virtual shopping cart to the network-accessible virtual shopping cart. | 05-20-2010 |
Ovidiu Timotin, Hamilton CA
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20080210347 | Superalloy Component Welding at Ambient Temperature - A method for welding superalloy components at ambient temperature conditions while reducing the propensity of the superalloy material to crack as a result of the weld. A root pass region of the weld is formed using a filler material that exhibits ductility that is higher than that of the base superalloy material. The ductile material mitigates stress in the root region, thereby preventing the formation of cracks. A remaining portion of the weld is formed using a filler material that essentially matches the base superalloy material. The method may utilize a pre-weld heat treatment to grow a gamma prime precipitate phase in the superalloy material, a chill fixture to remove heat during welding, a relief cut to reduce stress in the root region, and a conventional post-weld heat treatment. | 09-04-2008 |
20100116793 | Welded Repair of Defects Lying on the Inside of Components - The repair of cracks according to the state of the art comprises the fact that defects located on the inside must be worked outward in order to be able to be welded closed. The method according to the invention proposes not to work out cracks located on the inside, but to melt the crack located on the inside utilizing a flux agent. | 05-13-2010 |
20110226390 | Superalloy Repair Welding Using Multiple Alloy Powders - A method of welding a gas turbine engine substrate composed of a gamma prime precipitation strengthened nickel based superalloy, including the steps of: applying weld beads on the substrate to form a continuous layer the thickness of the weld beads; using a filler material made of a first material exhibiting comparable strength and ductility as the substrate, and a second material exhibiting greater ductility than the substrate; and creating crack propagation mitigating regions within the continuous layer by increasing the percentage of the second material in the crack propagation mitigating regions over the percentage of the second material in the remainder of the continuous layer. | 09-22-2011 |
20120223057 | GAS TUNGSTEN ARC WELDING USING FLUX COATED ELECTRODES - A method of applying a weld using a gas tungsten arc welding procedure. A filler element is provided to a welding location. The filler element includes a first material used during formation of a weld, and a second material that is capable of producing a slag upon melting thereof. A welding arc provides heat that melts portions of first and second components and the filler element proximate to the welding location to form a weld pool. The second material melts and forms a slag, which flows to an outer surface of the weld pool and shields the weld pool from exposure to reactive elements in the atmosphere. Upon cooling of the weld pool, the weld pool solidifies to form a weld between the first component and the second component. | 09-06-2012 |
20150050157 | HOLD AND COOL PROCESS FOR SUPERALLOY JOINING - Ni base superalloys containing relatively large amounts of Al and/or Ti are known to be difficult to weld satisfactorily. As the Al and Ti content of the superalloy is increased to improve the strength, the weldability of the component is drastically reduced. It is concluded herein that reducing the γ′ phase improves weldability. A stepwise, controlled heating and cooling process is described to be used in cooperation with a welding process to reduce the γ′ present and thereby improve weldability. | 02-19-2015 |
Ovidiu Tripon, Timisoara RO
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20150058505 | METHOD FOR OPERATING A BUFFER MEMORY OF A DATA PROCESSING SYSTEM AND DATA PROCESSING SYSTEM - A method of operating a buffer memory of a data processing system on which two or more programs can run in parallel includes the following: a source code is generated for a program to be executed and the needed data of the program to be executed are stored in the buffer memory; at least one address register is simultaneously generated, with the memory content of the address register being addresses of each of the two or more programs in the buffer memory. The two or more programs in the buffer memory are accessed via the at least one address register. | 02-26-2015 |
Ovidiu Vetres, Timisoara RO
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20150084784 | APIARY MONITORING SYSTEM - A system for monitoring an comprises a hive monitor configured for measuring and transmitting data on hive parameters, a data collector communicating with the hive monitor for logging measurement data received from the hive monitor, the data collector configured for transmitting the logged data, and a central database repository communicating with the data collector for storing the logged data received from the data collector. The hive monitor comprises a controller, a power source for powering the controller, a load cell for measuring the weight of the hive, means for measuring parameters of the hive, and means for communicating measured data. | 03-26-2015 |
Ovidiu Zurbau, Augsburg DE
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20130274918 | Robot System Comprising A Robot And Two Devices That Can Be Connected To Said Robot In An Alternating Manner, And Method For Changing Said Devices - The invention relates to a method for changing devices (W | 10-17-2013 |