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60results about How to "Minimizes" patented technology

Fuel cell system with integrated fuel processor

InactiveUS20070122667A1MinimizesMaximize heat utilizationHydrogenOxygen/ozone/oxide/hydroxideBiodieselWater balance
A fuel cell system with fuel processor for integration with a marine vessel propulsion system. The system includes an auto thermal reactor that is the fuel processor for producing hydrogen from a fuel source. The fuel source is preferably ethanol or biodiesel or a mixture thereof, but can also be a sulfur containing fuel like petrodiesel of JP-8. The system further includes a gas-water shift reactor for further production and concentration of the hydrogen from the auto thermal reactor output. The system also includes a hydrogen permeable membrane separator for generating suitable quantities of essentially pure hydrogen to the fuel cell. The system also includes an oxygen permeable membrane separator for concentrating oxygen and reducing nitrogen to improve the partial pressure of hydrogen in subsequent fuel processing steps. The system contemplates the use of a Polymer Electrolyte Membrane (PEM) fuel cell. The system minimizes preheating of catalysts or other components to the extent just needed to initiate the fuel processor. To that end, heat sources and sinks of the system and associated usage systems are matched so as to minimize heat collection, storage and distribution systems. Water is recycled within the system to the extent necessary to maintain a water balance in the fuel processor and the fuel cell stack(s). The system includes cooling of the fuel cell stack(s) and integrated heat recovery with exothermic and endothermic catalysts. The fuel processor/fuel cell system components are configured to conform to and take advantage of the available space and limitations, such as the space constraints and opportunities associated with a marine vessel.
Owner:KELLEY RICHARD H

Minimizing Unwanted Responses in Haptic Systems

PendingUS20190197842A1MinimizesMinimizes unwanted parametric audioTactile signalling systemsSound producing devicesConvolutionEngineering
Disclosed are methods to manipulate a given parametrized haptic curve in order to yield a smooth phase function for each acoustic transducer which minimizes unwanted parametric audio. Further, the impulse response of a haptic system describes the behavior of the system over time and can be convolved with a given input to simulate a response to that input. To produce a specific response, a deconvolution with the impulse response is necessary to generate an input.
Owner:ULTRAHAPTICS IP LTD

Control Unit For Fuel-Cell Power Generation Apparatus, And Control Method, Control Program And Computer-Readable Record Medium With Control Program For The Same

A control unit is provided which is capable of operating a fuel-cell power generation apparatus efficiently according to a power consumption and a supplied hot-water heat consumption which are different in each home, and realizing the saving of energy.
A generated-power command-pattern creation section 212 creates a plurality of generated-power command patterns which are obtained from a combination of a start time and a stop time of the fuel-cell power generation apparatus, based on a power-consumption prediction value; a hot-water storage-tank heat-quantity calculation section 215 calculates a stored hot-water heat quantity for a predetermined period in a hot-water storage tank, based on a supplied hot-water heat-consumption prediction; a fuel-cell system-energy calculation section 214 calculates fuel-cell system energy which indicates the energy of a fuel required in hot-water supply equipment and electricity required in electric equipment when the fuel-cell power generation apparatus is operated in each generated-power command pattern; and in terms of the fuel-cell system energy in each of the plurality of generated-power command patterns, an optimum command-pattern selection section 217 operates the fuel-cell power generation apparatus in the generated-power command pattern which minimizes the fuel-cell system energy.
Owner:PANASONIC CORP

DAC cell circuit

A digital-analog converter (DAC) cell circuit. The circuit includes a current source, a first resistor, a second resistor, a first MOSFET, a second MOSFET, a third MOSFET and a forth MOSFET. The first MOSFET has a source and a drain connected to the current source and the first resistor, respectively, and a gate receiving a first control signal. The second MOSFET has a source and a drain connected to the current source and the second resistor, respectively, and a gate receiving a second control signal. The third MOSFET has a source and a drain connected to the source and drain of the first MOSFET, respectively, and a gate receiving a third control signal. The fourth MOSFET has a source and a drain connected to the source and drain of the second MOSFET, respectively, and a gate receiving a fourth control signal. The third control signal is a signal delayed of the first signal and the forth control signal is a signal delayed of the second signal. The delayed control signal can be used to control the slew rate of current DAC cell, thus reduce the package inductance induced L di / dt noise. Also it can be used to reduce the voltage fluctuations during current switching so as to get fast settling current.
Owner:MEDIATEK INC
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