Patent application number | Description | Published |
20110180337 | Method and Device for Operating a Vehicle Having a Hybrid Drive - A method and a device for operating a vehicle having a hybrid drive are described, in which a first drive unit and a second drive unit contribute jointly or individually to the drive of the vehicle, the first drive unit driving the second drive unit in the manner of a generator for charging an energy storage device, the first drive unit and the second drive unit being separable by a drive train element transferring a torque of the first drive unit. In a method in which it is ensured that the vehicle may continue to drive safely even in the event of a defect in a drive train element between the first drive unit and the second drive unit, the torque portion used for charging the energy storage device is reduced to a minimum torque, while the torque excess, which is reduced in the event of a defect in the drive train element but still exceeds the minimum torque, is utilized to propel the vehicle. | 07-28-2011 |
20110196589 | METHOD FOR COMPENSATING FOR VOLUME CHANGES OF AN HYDRAULIC FLUID IN AN HYDRAULIC ACTUATING DEVICE FOR ACTUATING A CLUTCH, AND HYDRAULIC ACTUATING DEVICE - In a method for compensating for volume changes of a hydraulic fluid in an actuating device used for actuating a clutch, which actuating device includes a master cylinder, an actuator connected to a piston of the master cylinder, and a slave cylinder hydraulically connected to the master cylinder for disengaging the clutch. The position of the piston of the master cylinder is corrected as a function of temperature and that the actuating device include an element for the temperature-dependent correction of the position of the piston of the master cylinder. | 08-11-2011 |
20120312080 | METHOD AND DEVICE FOR LEAK TESTING IN AN AUTOMATED ELECTROHYDRAULIC CLUTCH SYSTEM IN A MOTOR VEHICLE - In a method for leak testing in an automated electrohydraulic clutch system in a motor vehicle, in which an electromechanical actuator controls the clutch travel of a clutch via a hydraulic piping system, in order that a defective system is detected reliably and rapidly, the leak in the clutch system is detected using a pressure measurement in the electromechanical actuator and compared to a characteristic clutch curve. | 12-13-2012 |
20140257617 | ACTIVE DAMPING CONTROL FOR AN ELECTRIC VEHICLE OR HYBRID VEHICLE - The invention relates to a method ( | 09-11-2014 |
Patent application number | Description | Published |
20100041045 | NUCLEIC ACID FLUORESCENT STAINS - The present invention provides fluorescent dye compounds and methods of using the compounds for the staining of nucleic acids including qPCR applications. In particular, the dye compounds comprise heterocyclic molecules with hydroxy alkyl and aromatic substituents, and the dye compounds form highly fluorescent complexes upon nucleic acid binding. | 02-18-2010 |
20110130305 | Novel dyes and compositions, and processes for using same in analysis of protein aggregation and other applications - Provided are dyes and compositions which are useful in a number of applications, such as the detection and monitoring protein aggregation, kinetic studies of protein aggregation, neurofibrillary plaques analysis, evaluation of protein formulation stability, protein thermal stability shift assay and analysis of molecular chaperone activity. These dyes and compositions are also useful as probes in nucleic acid and protein detection. | 06-02-2011 |
20130137112 | DYES FOR ANALYSIS OF PROTEIN AGGREGATION - Provided are dyes and compositions which are useful in a number of applications, such as the detection and monitoring protein aggregation, kinetic studies of protein aggregation, neurofibrillary plaques analysis, evaluation of protein formulation stability, and analysis of molecular chaperone activity. | 05-30-2013 |
Patent application number | Description | Published |
20090115957 | Liquid crystal materials - A blue phase liquid crystalline material comprising a mixture comprising at least one bimesogenic compound and at least one chiral compound, wherein the material is capable of stable existence in the blue phase over a temperature range of at least 5° C. A process for the preparation of the above blue phase liquid crystalline material, an optical device comprising it, a process of mirrorless lasing and a slotted monolithic optical waveguide using it are also disclosed. | 05-07-2009 |
20100283925 | OLIGOSILOXANE MODIFIED LIQUID CRYSTAL FORMULATIONS AND DEVICES USING SAME - A liquid crystal formulation is described. The liquid crystal formulation comprises a first oligosiloxane-modified nano-phase segregating liquid crystalline material; and at least one additional material selected from a second oligosiloxane-modified nano-phase segregating liquid crystalline material, non-liquid crystalline oligosiloxane-modified materials, organic liquid crystalline materials, or non-liquid crystalline materials, wherein the liquid crystal formulation has an I→SmA*→SmC* phase transition, with a SmC* temperature range from about 15° C. to about 35° C., a tilt angle of about 22.5°±6° or about 45°±6°, a spontaneous polarization of less than about 50 nC/cm2., and a rotational viscosity of less than about 600 cP. Devices containing liquid crystal formulations are also described. The device has a stable bookshelf geometry, bistable switching, and isothermal electric field alignment, a response time of less than 500 μs when switched between two stable states, and an electric drive field of less than about 30 V/μm. | 11-11-2010 |
20100283927 | OLIGOSILOXANE MODIFIED LIQUID CRYSTAL FORMULATIONS AND DEVICES USING SAME - A liquid crystal formulation is described. The liquid crystal formulation comprises a first oligosiloxane-modified nano-phase segregating liquid crystalline material; and at least one additional material selected from a second oligosiloxane-modified nano-phase segregating liquid crystalline material, non-liquid crystalline oligosiloxane-modified materials, organic liquid crystalline materials, or organic non-liquid crystalline materials, wherein the liquid crystal formulation is nano-phase segregated in the SmC* phase, has an I→SmC* phase transition, with a SmC* temperature range from about 15° C. to about 35° C., has a tilt angle of about 22.5°±6° or about 45°±6°, and has a spontaneous polarization of less than about 50 nC/cm2, and a rotational viscosity of less than about 600 cP. Devices containing liquid crystal formulations are also described. The device has a stable bookshelf geometry, bistable switching, and isothermal electric field alignment, a response time of less than 500 μs when switched between two stable states, and an electric drive field of less than about 30 V/μm. | 11-11-2010 |
20140363162 | OPTICAL DEVICE AND METHODS - We describe methods and devices for manipulating optical signals. A method of manipulating an optical signal comprises providing a device ( | 12-11-2014 |
Patent application number | Description | Published |
20150331834 | Method and Apparatus for Fast Signal Processing - A method and apparatus for fast signal processing is presented. Increase of traffic over data communication networks requires increase of data processing speed. The proposed method is faster than the conventional technique, because it uses less operations of multiplications and additions. The method implements a flexible algorithm architecture based on an elementary cell which is used for both direct and inverse transforms. The method can be implemented for fast analysis and synthesis of different signal types; for fast multiplexing and demultiplexing; and for channel estimation and modeling. The flexible architecture allows: 1) conducting signal analysis according to a certain criterion, and operating on the whole signal or it's part; 2) modifying multiplexed datastream number “on the fly”, splitting and merging groups of datastreams from different sources; 3) splitting a communication channel into a set of sub-channels of different bandwidth, organizing data communication in particular subchannels that satisfy certain requirement. | 11-19-2015 |
20150334178 | Method and Apparatus for Data Transmission Oriented on the Object, Communication Media, Agents, and State of Communication Systems - A method and apparatus for Data Transmission Oriented on the Object, Communication Media, Agents, and State of Communication Systems (TOMAS) is disclosed. TOMAS addresses an issue of efficiency of conventional data communication systems. The superior efficiency of TOMAS is achieved by: 1) matching the requirements of agents with capabilities of the communication systems and the communication media using the features of data objects; 2) monitoring of time-varying characteristics of all components, such as a charge of batteries and a status of all hardware, firmware and software components; 3) using an information about time-invariant characteristics of the systems, such as devices screen sizes, employed operational systems (OS), etc.; 4) using a flexible system architecture; and 5) using a fast signal processing algorithm described in [1] at the stage of data object analysis-synthesis and the codestream multiplexing-demultiplexing. | 11-19-2015 |
Patent application number | Description | Published |
20120269239 | Method and Apparatus for Data Transmission Oriented on the Object, Communication Media, Agents, and State of Communication Systems - A method and apparatus for Data Transmission Oriented on the Object, Communication Media, Agents, and State of Communication Systems (TOMAS) is disclosed. The efficiency of data communication of the proposed method is superior to the one of the conventional systems. This is achieved by matching the requirements (restored data quality, transmission speed, etc.) of agents (ex. a human, hardware device, firmware, software) to capabilities of the communication systems (ex. hardware, firmware and software performance; screen size, etc.) and the communication media (ex. a wireless link, twisted pair cable, coaxial cable, fiber optic link, waveguide, etc.), and exploiting certain data object (audio, video, control data, etc.) features. The superior efficiency is also achieved by using a fast algorithm at the stage of data object analysis-synthesis and the codestream multiplexing-demultiplexing. | 10-25-2012 |
Patent application number | Description | Published |
20130061474 | SYSTEM AND METHOD FOR MANUFACTURING A HEAT EXCHANGER - A method for manufacturing a heat exchanger includes joining a first conductive sheet to a second conductive sheet to define a plurality of separate volumes in a blank envelope, creating an aperture in each separate volume in the blank envelope, and heating the blank envelope. The method further includes pressurizing each separate volume through the apertures, hot plastic forming the blank envelope into a formed envelope, and assembling a plurality of formed envelopes into a heat exchanger core, wherein the heat exchanger core includes a fluid passage outside of the formed envelopes, wherein the fluid passage is defined by adjacent formed envelopes, and wherein the fluid passage extends across a dimension of the heat exchanger core. | 03-14-2013 |
20130062039 | SYSTEM AND METHOD FOR EXCHANGING HEAT - A system for exchanging heat includes a plurality of adjacent envelopes, wherein each envelope defines a plurality of volumes. A connection between adjacent envelopes provides fluid communication between the volumes in adjacent envelopes, and a fluid passage outside of the envelopes and defined by adjacent envelopes extends across a dimension of the system. A method for exchanging heat includes flowing a plurality of secondary fluids through a plurality of volumes in adjacent envelopes, wherein each secondary fluid flows through a separate volume in each envelope. The method further includes flowing a primary fluid through a plurality of channels outside of the adjacent envelopes and defined by the adjacent envelopes. | 03-14-2013 |
20150040383 | SYSTEM FOR MANUFACTURING A HEAT EXCHANGER - A method for manufacturing a heat exchanger includes joining a first conductive sheet to a second conductive sheet to define a plurality of separate volumes in a blank envelope, creating an aperture in each separate volume in the blank envelope, and heating the blank envelope. The method further includes pressurizing each separate volume through the apertures, hot plastic forming the blank envelope into a formed envelope, and assembling a plurality of formed envelopes into a heat exchanger core, wherein the heat exchanger core includes a fluid passage outside of the formed envelopes, wherein the fluid passage is defined by adjacent formed envelopes, and wherein the fluid passage extends across a dimension of the heat exchanger core. | 02-12-2015 |
Patent application number | Description | Published |
20110037517 | Concept, method and apparatus of improved distortion switched-mode amplifier - Systems and methods for switched-mode amplifiers having improved harmonic distortion are disclosed. High order in-band filtering is enabled without undue trade-off of distortion due to intermodulation/aliasing. A pre-modulation block is introduced, deployed between a loop filter block and a pulse-width modulation block, performing uniform pulse-width modulation. The pre-modulation block attenuates/removes amplitude dependent high frequency ripples before pulse-width modulation. The pre-modulation block in conjunction with the pulse-width modulation block performs double sampling of the input signals. | 02-17-2011 |
20110243352 | Concept, method and apparatus of improved distortion switched-mode amplifier - Systems and methods for switched-mode amplifiers having improved harmonic distortion are disclosed. High order in-band filtering is enabled without undue trade-off of distortion due to intermodulation/aliasing. A pre-modulation block is introduced, deployed between a loop filter block and a pulse-width modulation block, performing uniform pulse-width modulation. The pre-modulation block attenuates/removes amplitude dependent high frequency ripples before pulse-width modulation. The pre-modulation block in conjunction with the pulse-width modulation block performs double sampling of the input signals. | 10-06-2011 |
20110248781 | Duplicate feedback network in class D amplifiers - A circuit and a method are provided for suppressing the pop and click noise during the power on and power off of Class D amplifiers. The technique also suppresses pops and clicks when the Class D amplifier enters or exits standby mode. A duplicate feedback network is used to establish the stable operating points, including offsets in the Class D circuit without turning on the outputs. The technique works by gradually propagating or dissipating the offset through the signal path of a Class D amplifier by swapping the differential outputs using switches to suppress pops and clicks when starting up and shutting down the amplifier. | 10-13-2011 |
20110267731 | Over-current protection for a switch mode class D audio amplifier - Circuits and methods for over-current protection of pulse-width modulation systems such as switch mode class D audio systems, DC-to-DC converters, or switch mode power supplies have been disclosed. Over-current protection has been achieved by introducing supply-scalable pulses to bring the modulation index of PWM pulses to a safe level. Additionally to the over-current protection a recovery circuit and method to be applied right after an over-current situation has been disclosed. | 11-03-2011 |
20140340136 | Dynamic Level Shifter Circuit - A level shifter does not require any DC (standby) current consumption and has a fast operation with low propagation delay. The level shifting from input to output voltage ranges is performed by a pair of level shifting capacitors. The input-output power voltages domains are unrestricted and flexible. DC isolation is deployed between power domains. Symmetrical rise/fall times are without duty cycle distortion. Over voltage stress is reduced by using metal capacitors. Finally the level shifter does not use high-voltage devices for level shifting purpose. Embodiments of level shifters provide one-way level shifting and bi-directional level shifting. | 11-20-2014 |
20140347102 | Anti-Shoot-Through Automatic Multiple Feedback Gate Drive Control Circuit - Automatic and robust anti-shoot-through glitch-free operation of half-bridge control pre-driver and power stage circuits have been achieved by using multiple feedback control signals. These feedback signals are taken both from the gates of power devices on high side and low sides and from the gates of one or more devices on both high side and low side that enable power device ON state. No duty cycle limitation is required of the input signal. The control logic uses NAND/NOR RS latches. The solution disclosed can readily be scaled to higher order of feedback loops providing even greater level of robustness | 11-27-2014 |
20150177754 | Method and Apparatus for DC-DC Converter with Boost/Low Dropout (LDO) Mode Control - A low dropout (LDO) device with improved linear mode comprising an error amplifier, a programmable attenuation factor circuit coupled to said error amplifier, a feedback network whose input is electrically connected to said programmable attenuation factor circuit and whose output is electrically coupled to the negative input of said error amplifier, a high side (HS) pre-drive circuit whose input is a high impedance (HiZ) mode signal, a low side (LS) pre-drive circuit whose input is a low pull-down input mode signal, a high side (HS) output stage element electrically coupled to said high side (HS) pre-drive circuit, a low side (LS) output stage element electrically coupled to said low side (LS) pre-drive circuit, and a high side sense (HSENSE) output stage element whose gate is electrically coupled to said high side (HS) pre-drive circuit, and whose gate and source are electrically connected to the output of said error amplifier. | 06-25-2015 |