108results about How to "Reduce electrical power consumption" patented technology

Even when, for example, electric charge is injected into the output transistor due to external factor such as a noise from the outside, to prevent the step-down voltage from rising, the step-down circuit is comprised of an N channel type output transistor which controls the voltage at the control end, a booster, which is connected to the control end of the output transistor and raises the voltage at the control end and a discharge circuit, which discharges the electric charge at the control end of the output transistor so that the power supply voltage inputted from the input end is stepped down to a desired step-down voltage and outputted from the output end.

A clothes dryer provided with a washing tub, an air circulator, and a heat pump and drying laundry by operation of the air circulator and the heat pump. The rotational speed of a compressor is changed by controlling frequency, and the clothes dryer can be operated by selection of either a quick-drying mode for drying the laundry in a relatively short time by changing a drive frequency of the compressor or a saving mode for drying the laundry in a time longer than the time of the quick-drying mode. In the saving mode, the compressor is driven in a frequency band providing a high coefficient of performance.

The invention relates to a joggled shell lithium ion battery that forms a composite battery shell with metal chaff and temperature-sensitive macromolecule. Five temperature and pressure safety valves are equipped on a metal / macromolecule composite joggled shell, which overcomes problem of present liquid state lithium ion battery and defects of polymer soft package batteries, and improves battery reliability. Compared with present liquid state metal shell lithium ion battery, the joggled shell lithium ion battery of the invention has volume improved 10% to 30%; compared with present polymer soft package batteries, the battery of the invention has volume improved 3% to 10% with tympanites and liquid leakage rate less than 0.1ppm. In addition, there is a little of joggled plate material, manufacturing device and mould being simple. Consumption of the materials and energy loss in process is less, which reduces cost, manufactures the battery adequately, meets need of the customers for various battery sizes and fills blank of super thin lithium ion battery field below 3.0mm.

An LCD device (1) according to the present invention has: an LCD panel (2); an operation and correction circuit (14) configureured to perform a correction operation with respect to an input gray-scale data of a target frame image by using an arithmetic expression to generate an output gray-scale data; a data line driver (15 to 17) configureured to drive the LCD panel (2) in accordance with the output gray-scale data; and a correction data calculation circuit (13) configureured to generate a correction data that specifies a relationship between the input gray-scale data and the output gray-scale data of the target frame image, depending on the input gray-scale data of the target frame image or an input gray-scale data of a precedent frame image followed by the target frame image. The operation and correction circuit (14) determines coefficients of the arithmetic expression from the correction data.

The invention provides a silicone tunable optical filter, comprising a silicone tuning cavity, a highly-doped silicone resistance heater, a lower cantilever beam, an upper cantilever beam, a left surface highly-doped cantilever beam, a right highly surface doped cantilever beam, a metal lead, a stress balancing metal lead, a left lead region, a right lead region and an SOI (Silicon-on-Insulator) supporting silicon substrate 11. The silicone tunable optical filter is obtained by using an SOI wafer with high resistance and a silicone machining process. A making method provided by the invention comprises the following steps of: (a) making a highly doped region on the surface of an SOI wafer device layer; (b) sputtering metal on the surface of the wafer device layer and making a metal structure; (c) making the silicone tuning cavity and each cantilever beam structure on the surface of the wafer device layer; (d) releasing the silicone tuning cavity and the cantilever beam structure from asubstrate layer of the lower surface of the silicon wafer; and (e) making high reflective films on the upper and lower surfaces of the silicone tuning cavity to form an optical F-P interference cavity body. The made filter has the advantages of very good optical performance, simple making process and high structural reliability.

Pooled resources including remotely startable and stoppable computing resources are activated according to a predictive load model. The model includes alert events for providing respective resource activation levels representing either an increase or a decrease in the resource utilization model expected to occur after the respective alert events. If a detected alert event corresponds to an increase, then selected ones of the pooled resources are started. If the detected alert event corresponds to a decrease, then an actual load level is checked, and selected ones of the pooled resources are stopped if the actual load level is less than the respective resource activation level corresponding to the detected alert event.

The invention provides a method for improving horizontal lateral air sending refrigeration efficiency, and belongs to the technical field of calculating data central machine room refrigeration. The method includes the following steps of forming a refrigeration row cabinet through three STULZ CyberRow horizontal lateral air sending precise air conditioners and four high-thermal-density server cabinets by taking local-high-heat local processing as the thought, making the precise air conditioners run with two in one set and the other one in the other set when fully loaded, sending air from the single side, namely, the air conditioners at the two ends, of the CyberRow or the two sides, namely, the middle air conditioner, of the CyberRow, and closing air sending spaces and air return spaces of the precise air conditioners and the server cabinets to form independent passageways respectively through closing assemblies so that cold air flow and hot air flow which are generated by the row cabinet can be prevented from flowing and being sent to other areas of the machine room. The row cabinet closing assemblies are customized air flow loop assemblies matched with the server cabinets and the precise air conditioners on the machine room site. Due to the air sending spaces and the air return spaces of the closing assemblies, cold air or hot air is prevented from overflowing, and refrigeration efficiency is improved. The closing assemblies are detachably connected with the server cabinets.

The invention relates to an energy-saving gas conditioning furnace and thermal processing method for the hot rolling of seamless steel pipes, which belongs to the field of thermal processing of seamless steel pipes and specifically relates to a gas conditioning furnace and process capable of implementing quenching and tempering processes of seamless steel pipes. The gas conditioning furnace comprises a kiln body (11) and a roller way transmission part, and is characterized in that the front end of the kiln body (11) is provided with an automatic feeding device (5), both sides of the kiln body(11) are respectively provided with the roller way transmission part and a temperature control device, and an electrical control device is arranged outside the kiln body (11). The method comprises the following steps: moving seamless steel pipes into the kiln body (11) by means of the automatic feeding device (5), gradually and sufficiently heating in the kiln body (11), quickly moving the seamless steel pipes (9) into a straightener by means of a quick transmission device, and performing straightening and quenching procedures. By adopting gas heating, electric power consumption is reduced, so that the production scale can be expanded; the kiln body ensures that the seamless steel pipes can be sufficiently and uniformly heated in the kiln body; the seamless steel pipes can be quickly discharged from the kiln body by the quick transmission device, thereby satisfying the optimal temperature required for the quenching and tempering processes; and the invention has the advantages of shortaverage time for finishing the conditioning process, low cost and the like.

A wireless communication system that includes a hub and multiple nodes is provided. The nodes include a wireless communication control unit that acquires, during a predetermined communication time period, a signal transmitted to the hub by a node; an RSSI calculating unit that calculates propagation information from the signal acquired by the wireless communication control unit, and an RSSI table creating unit that transmits the calculated propagation information to the hub. The hub includes a wireless communication control unit that receives propagation information transmitted by each of the nodes and an RSSI table aggregating unit that aggregates the received propagation information.

A magnetic encoder having a magnetic sensor composed of SVGMR elements, in which a signal output with a half of a cycle of magnetic regions on a magnetic medium. The magnetic encoder comprises the magnetic medium, on which first magnetic regions and second magnetic regions are oppositely magnetized along the medium extending and disposed successively and alternately with each other, and the magnetic sensor that has an even number of SVGMR elements and is movable relatively to the medium along the medium extending. Magnetizations of pinned magnetization layers of all the SVGMR elements are directed in a same direction along the medium extending. Each of the even number of SVGMR elements in the magnetic sensor is apart by a half of the sum of a first magnetic region length plus a second magnetic region length from each other along the medium extending, and the even number of SVGMR elements are connected in series so that a cycle of resistance change of the magnetic sensor is a half of a cycle length of the first and the second magnetic regions on the medium and the signal output with high resolution can be obtained.

According to one embodiment, a GPS clocking device comprises a computing module, a storage module, a reading module, and a correction module. The computing module receives a GPS signal transmitted from a GPS satellite, and computes a receiving position of the GPS signal in the standard coordinate system of the GPS based on the GPS signal. The storage module stores position information which indicates areas different from each other in the employed standard time, and is represented by the standard coordinate system, and information on the time difference between the standard time of each area and standard time of the GPS. The reading module reads time-difference information corresponding to an area to which the receiving position computed by the computing module corresponds from the storage module. The correction module corrects the current time indicated by the time information included in the GPS signal by using the time-difference information.

The invention discloses a portable mosquito repelling / fragrance device. The portable mosquito repelling / fragrance device comprises a shell, a repellent / essential oil pot, an electric heating atomizer, a battery and an air pump. The portable mosquito repelling / fragrance device is characterized in that the repellent / essential oil pot is connected with the electric heating atomizer through a siphon, the electric heating atomizer is connected with the air pump in a controlling mode through a circuit board, a power line of the atomizer and a power line of the air pump are connected to a pulse power supply switch, and the pulse power supply switch is controlled through a switch in the circuit board. A control method of the portable mosquito repelling / fragrance device is characterized in that the circuit board starts a pulse power supply through a control switch so that the pulse power supply can be supplied to the atomizer and the air pump. The portable mosquito repelling / fragrance device has the advantages that the rapid mist (repellent / essential oil) forming-intermittent releasing-rapid spreading method is adopted, the smell released by the portable mosquito repelling / fragrance device is pulsatile instead of constant, and the phenomenon of smell fatigue caused by an existing mosquito repelling / fragrance device can be effectively avoided as long as the frequency is proper. By the adoption of the control method of the portable mosquito repelling / fragrance device, power consumption can be reduced greatly.

A micro power outages compensation module for at least one server includes one or more capacitive storage element for storing electrical energy which is releasable for compensating the outages, the module futher including a controller for the charging and / or the discharge of the capacitive storage element(s), limiting the charging and / or discharge current of the capacitive storage element(s) sufficiently to enable hot plugging and / or unplugging of the module even during operation of the server.

The present invention provides a projection apparatus, comprising: a light source; at least one spatial light modulator for modulating illumination light from the light source by a plurality of pixel elements by using different modulation states; a light source control unit performing a modulation control of the light source; and a spatial light modulator control unit generating, from an input image signal, a control signal for driving the spatial light modulator, wherein: the light source control unit has a function of receiving data corresponding to the control signal generated by the spatial light modulator control unit, controlling a parameter of an emission pulse of the illumination light emitted from the light source, and thereby adjusting an emission intensity of the illumination light.

The invention discloses a notebook computer heat radiation system based on tablet loop heat tubes. The notebook computer heat radiation system comprises a tablet loop heat tube evaporator, a screen back plate heat radiator, a keyboard bottom plate heat radiator and a tablet evaporator, wherein the tablet loop heat tube evaporator is clung to a computer CPU (Central Processing Unit) chip; steam flows through the screen back plate heat radiator through a pipeline, and then heat is diffused and condensed into a liquid through natural air convection; the liquid flows to the tablet evaporator which is clung to a display card GPU (Graphics Processing Unit) chip and is evaporated into steam; the steam flows to the keyboard bottom plate heat radiator through another pipeline and is cooled into a liquid through natural air convection, and then the liquid flows back to a liquid reservoir of the tablet loop heat tube evaporator. By adopting the heat radiation system, internal layout of a notebook computer is facilitated, a mounting space is effectively reduced, noise caused by a fan can be eliminated as fans and heat radiator components are not used, electric power consumption is reduced, and the standby and lasting time of a computer is prolonged.

[Objective]To provide a digital filter circuit and a digital filter control method which are capable of reducing circuit scale and power consumption for filter processing in a frequency domain such as an overlap FDE method.[Solution]A digital filter circuit according to the present invention includes: an overlap addition means for giving an overlap of M data (M is a positive integer) between the block and the previous block; an FFT processing means for transforming the generated block by FFT processing; a filter computation means for performing filter processing to the transformed block; an IFFT means for transforming the block, which the filter processing was performed to, by IFFT processing; an overlap removal means for removing M units of data from both ends of the transformed block; and a clock generation means for setting the frequency of a filter processing clock signal based on a value of M, wherein the filter processing clock signal drives the data output unit of the overlap addition means, the FFT means, the filter computation means, the IFFT means, and the input unit of the overlap removal means.

The invention provides an active power-factor correction circuit device which comprises a segment linear gain circuit, an error amplifier, a pulse width modulation controller and a pulse width modulation signal generator. The segment linear gain circuit is used for receiving feed-forward signals and generating corresponding gain signals, wherein sizes of the gain signals and sizes of the feed-forward signals are correlated in a broken line mode. The error amplifier is used for generating error signals according to output voltage of an alternating-current-to-direct-current converter. The pulse width controller is used for generating control signals according to the gain signals, the error signals, and the output voltage after being rectified of the alternating-current-to-direct-current converter. The pulse width modulation signal generator is used for generating pulse width modulation signals used for controlling a power switch of the alternating-current-to-direct-current converter according to the control signals. As a segment linear gain circuit is utilized to replace a traditional squarer, circuit complexity of an active power-factor correction circuit can be lowered, needed bias voltage sources are reduced, a circuit area is reduced, and electricity power consumption and cost are lowered.

The invention relates to the field of electronic product production testing, and particularly relates to a dual-mode time service machine. The time service machine comprises a Beidou 2nd generation / GPS dual-mode receiver module, a power supply module, a counting module, a CPU control module and an output module. According to the invention, satellite signals are received by using a Beidou 2nd generation / GPS dual-mode receiver, dual-channel running of a Beidou 2nd satellite and a GPS satellite is ensured, the stability of a signal source is ensured, the counting module selects a constant temperature crystal oscillator module, a Beidou 1pps random error mathematic model is built, and a Beidou 1pps random error is corrected online, so that a random error of Beidou second pulse signals can be effectively eliminated, and the time precision is improved. Meanwhile, the power supply module of the dual-mode time service machine utilizes a photovoltaic effect of solar cells, thereby achieving effects of energy conservation, stable power supply and convenient installation.

The invention relates to a device for sealing and inflating inflatable objects, in particular for sealing and inflating motor vehicle tyres. Said device comprises a compressor unit as a pressurized gas source, which is designed as a reciprocating piston compressor (10) driven by means of a thrust crank gear. Said reciprocating piston compressor is provided with a variable dead volume of air (9), the content thereof can be varied depending on the temperature of the cylinder head (11).

The invention discloses a high-stability resistive random access memory based on graphene oxide. The high-stability resistive random access memory includes a bottom electrode, a top electrode, and a resistive functional layer located between the two electrodes, the resistive functional layer is an oxidized graphene ethanol solution doped with TiO2 nanoparticles, which is stirred via a magnetic stirrer and spin-coated on the surface of the bottom electrode to form a thin film, and the thin film is irradiated via ultraviolet. Compared with the resistive random access memory without doping the TiO2 nanoparticles, the starting voltage value is obviously smaller than the corresponding value of the contrast device, and the power consumption during the filament formation can be effectively reduced; Vset and Vreset cumulative probability distributions for 100 consecutive switching operations are relatively concentrated and the electrical parameters are uniform; after the contrast device is consecutively switched for 600 times, the high and low resistance states of the device overlap each other and the device fails; and the high and low resistance states still maintain a large switching proportion (Roff / on-20) after the 1000 consecutive switching operations, and the work stability is high.

The invention comprises a steel cylinder, an air-filled composite valve, an integrated valve, a magnetic switch valve, a pressure-relief valve, a stop valve, a gas filter, a changeover switch, a gas common rail pipe, a jet magnetic valve, an absolute pressure transducer and a controller. Several jet magnetic valves and the absolute pressure transducer are mounted on the gas common rail pipe. The control lines of the stop valve, the magnetic switch valve, the integrated valve and the jet magnetic valve and the signal wire of the absolute pressure transducer are connected with the controller separately.

The invention relates to an arrangement of pulse-modulated quick-acting valves on a fluid storage device (28', 28''''), wherein the valves (24', 24'''') have different nominal widths for operation thereof in different pressure ranges with otherwise identical structure. The number of the valves (24', 24'''') and the respective nominal widths thereof is selected and matched to a fluctuation range of the pressure in the storage device (28', 28'''') such that over this fluctuation range of the storage device pressure, by complete opening, complete closing and / or switching individual valves or valve combinations, a total dispensed mass flow of the fluid from the storage device (28', 28'''') in a fluctuation range of varying mass flows of constant pressure as required can be produced.