124results about How to "High power" patented technology

A monolithic ferrule / endcap / optical fiber structure is provided wherein an optical fiber is terminated in a ferrule and bonded by fusion to form a monolithic unit which minimizes optical loss and is typically capable of transmitting high power laser radiation, preferably on the order of 500 W and higher, without damage to the optical fiber and ferrule. Ferrule, endcap, optical fiber and fusible powder are composed of material of substantially the same physical characteristics such that, when all are fused together, the structure so formed is monolithic and the optical path is transparent.

Various types of data storage systems employ low power disk drives to cache data to / from high power disk drives to reduce power consumption and access times.

An optical communication system is provided which includes an optical signal transmitter which communicates high bandwidth, high power frequencies. The optical signal transmitter includes a high efficiency / high power optical source such as an optical magnetron or a phased array source of electromagnetic radiation, and a modulator element. The modulator element may be within a resonance cavity of the high efficiency / high power optical source (intra cavity) or external to the cavity (extra cavity). The modulator element serves to modulate output radiation of the high efficiency / high power optical source to produce a modulated high frequency optical signal which may be transmitted through the air. The optical signal transmitter is particularly useful in providing the last mile connection between cable service operators and end users.

A packaging device for matrix-arrayed semiconductor light-emitting elements of high power and high directivity comprises a metal base, an array chip and a plurality of metal wires. The metal base is of highly heat conductive copper or aluminum, and a first electrode area and at least one second electrode area which are electrically isolated are disposed on the metal base. The array chip is disposed on the first electrode area, on which multiple matrix-arranged semiconductor light-emitting elements and at least one wire bond pad adjacent to the light-emitting elements are disposed. The light-emitting element is a VCSEL element, an HCSEL element or an RCLED element. The metal wires are connected between the wire bond pad and the second electrode area to transmit power signals. Between the bottom surface and the first electrode area is disposed a conductive adhesive to bond and facilitate electrical connection between the two.

Intelligent alarm clock arrangement adapted into an electric device and utilizing the microphone, loudspeaker or other alarming device, memory unit, processor and timer feature thereof. The apparatus is located near a sleeping subject so as to sample and analyze the statistical properties of sound signals produced by the movements of the sleeping subject and to classify the sleep states according to the analyzed signals into a peaceful calm deep sleep, a light sleep with arousals and awake periods associated with the movements. An alarm wakes up the subject during a pre-programmed time window, if there are arousals, awake state and movements present at that time to induce the awakening at a biologically advantageous instant. Instead of the local alarm function, the device may perform a remote alarm using a call or sending a message to a pre-programmed phone number when the awakening of the sleeping subject is detected.

The invention discloses a method for manufacturing ultrafine powder from polytetrafluoroethylene through irradiation cracking. The method is characterized in that polytetrafluoroethylene raw materials are dried; the dried polytetrafluoroethylene raw materials are subjected to low-temperature cold treatment by liquid nitrogen; the polytetrafluoroethylene raw materials subjected to the low-temperature treatment are crushed into powder materials with the particle diameter being 100-1000mum by a crushing machine; the powder materials are subjected to sealed package under the gas protection effect; the packed powder materials are placed into an electronic accelerator irradiation system for irradiation cracking; and the irradiated powder materials pass through an air flow crushing machine to be subjected to air flow crushing and grading, and the ultrafine polytetrafluoroethylene powder with the particle diameter reaching 0.2-3mum is obtained. The method has the characteristics that the preparation process is simple, the control is easy, the energy consumption is low, the process continuous degree is high, the product performance is stable, the prepared ultrafine polytetrafluoroethylene powder has the characteristics that the dispersibility is good, and the agglomeration cannot easily occur. The prepared ultrafine polytetrafluoroethylene powder can be widely applied to the fields of paint, ink, dray powder lubricating agents and space flight and aviation appliances, and the material performance is obviously improved.

A hybrid energy storage system suitable for use in a vehicle having an electrified drivetrain includes a first energy storage module and a second energy storage module that is different than the first energy storage module. The first energy storage module may have a cell configuration, a cell chemistry, a cell number, a controller or another characteristic different than a like characteristic of the second energy storage module.

An antenna element for fabricating into a linear or planar array includes a tapered slot along a main axis of the antenna element body that extends from a first slot end, defined by an outwardly flared opening at a second end of the antenna element, into a second meandering portion that is offset from the main axis, and then into a second slot end having a bend with respect to the main axis, and finally into a slot-line cavity proximate to the first end of the antenna element body. A feed port extends into the antenna element body from the outer surface of the first end of the antenna element body into the second slot end bend adjacent the slot-line cavity.

The invention discloses a carbon-plate negative-plate sealed lead acid battery which comprises positive plates and negative plates, wherein parts of the negative plates are carbon plates, and each of the carbon plates comprises a metal substrate, the mixture of porous carbon materials and graphite materials coated on the metal substrate, and composite materials of the mixture. The invention is based on the principle of super-capacitor interfacial electrochemistry double-electrode layers, adopts the carbon plates with the energy storage of electrochemistry double-electrode layers, and the electrochemistry double-electrode stored energy on the two-phase interface of electrolyte / electrode materials has the characteristics of the performance of super-capacity and the capacity energy storage of batteries. The carbon-plate negative-plate sealed lead acid battery has the advantages of high specific power, rapid large-current discharge, corresponding lower discharge depth of batteries, long process of large-grain lead sulfate crystal accumulation on the negative plates, and long service life of the battery.

A control system for cogeneration system provides operation combination calculating means which calculates the combination of operations capable of keeping the voltage of the distribution line within a predetermined tolerance within voltage tolerance based on following (1)-(3). (1) the predicted value of the electric power demand of each customer calculated by electric power demand predicted value calculating means; (2) the impedance of the distribution line recorded by distribution line information recording means; and (3) the combination of cogeneration systems to be operated, as calculated by operation combination calculating means.

The invention provides a method for smelting titanium slag by an electric stove. The method comprises the following steps: titanic iron and a reducing agent are mixed to prepare charging materials which are added into the electric stove; the titanium slag is smelted, the power of the electric stove is between 12MV.A and 30MV.A in the smelting process; and the slag is discharged, and the iron is discharged.

The invention discloses a generation method and device of a microwave signal with a differential phase code, and belongs to the technical field of communication, radar and microwave photonics. The device comprises a laser, a first electro-optical modulator, a second electro-optical modulator, a cascaded Mach-Zehnder interferometer, a balanced photoelectric detector, a microwave signal source and a code signal generator. The method specifically comprises the following steps: performing suppressed carrier modulation on direct current light by using the first electro-optical modulator to obtain two subcarriers; modulating the phase of the code signal on the abovementioned two subcarriers by using the second electro-optical modulator; separating the two subcarriers by using the cascaded Mach-Zehnder interferometer and introducing a proper time delay difference; performing photoelectric detection on two paths of light signals output by the cascaded Mach-Zehnder interferometer by using the balanced photoelectric detector to obtain the microwave signal with the differential phase code. The method and the device have the main advantage that the microwave signal with the differential phase code can be generated, and has the advantages of high carrier frequency, high bandwidth and no low-frequency noise interference.

Contact lenses incorporate high plus or ADD power profiles that at least one of slow, retard or preventing myopia progression and minimize halo effect. The lens includes a center zone with an ADD power for myopia progression treatment and at least one myopia vision correction power in a peripheral region surrounding the center zone.

An integrated circuit layout of a carbon nanotube transistor device includes a first and second conductive material. The first conductive material is connected to ends of single-walled carbon nanotubes below (or above) the first conductive material. The second conductive material is not electrically connected to the nanotubes below (or above) the second conductive material. The first conductive material may be metal, and the second conductive material may be polysilicon or metal. The nanotubes are perpendicular to the first conductive material. In one implementation, the first and second conductive materials form interdigitated fingers. In another implementation, the first conductive material forms a serpentine track.

A traffic signal light device that includes a spread window, a Fresnel lens, and an LED module for emitting light. The light emitted by the LED module passes through the Fresnel lens and to the spread window. The LED module is disposed at a position that is offset from an axis of the spread window that passes through a center of, and is perpendicular to, the spread window. The Fresnel lens can have a saw-toothed pattern of teeth formed as concentric circles on one surface of the Fresnel lens sharing a common center, where the size or height of the teeth vary. The spread window can have a plurality of protruding cells of varying size on a surface of the spread window.

The invention relates to an optical fiber employable in an optical communication system using Raman amplification and adapted to improve OSNR and suppress bending loss at the same time, and the like. The optical fiber is a silica-based optical fiber having a depressed refractive index profile constituted by at least a core, an inner cladding having a low refractive index, and an outer cladding, an effective area Aeff of 110 μm2 or more at the wavelength of 1550 nm, and a fiber cutoff wavelength λC of 1.3 μm or more but 1.53 μm or less. The depressed refractive index profile is designed such that the ratio Ra(=2b / 2a) of the diameter of the inner cladding to the diameter of the core is 2.5 or more but 3.5 or less and that the relative refractive index difference Δ− of the inner cladding with respect to the outer cladding is at least the relative refractive index difference Δ−min where the bending loss at the wavelength for use is minimized but not exceeding (Δ−min+0.06) %.

A planar array of GMR or TMR sensor elements with planar free and pinned layers is used as the basis of a sensor for detecting the presence of small magnetized particles. In particular, the sensor is used for detecting the presence of magnetized particles bonded to biological molecules that are themselves bonded to a substrate. The magnetized particles on the molecules are detected by the sensors as a result of the interaction between the stray fields of the particles and the magnetic configuration of the sensors. By forming a co-planar layer of soft magnetic material over the sensor or its array, the external field used to magnetize the particles is self-aligned perpendicularly to the sensor plane whereby it does not interfere with the stray fields of the particles.

A power supply control apparatus includes a sensor, a first imaging unit, a second imaging unit, and a state controller. The sensor senses a person when the power supply control apparatus is in a power saving state. The first imaging unit consumes higher power than the sensor and captures an image of a person approaching. The second imaging unit captures an image used to recognize a person. The state controller causes the first imaging unit and the second imaging unit to be in a power supply state in a case where the sensor has sensed a person.

A membrane-electrode assembly for a fuel cell of the present invention includes: an anode and a cathode facing each other; and a polymer electrolyte membrane interposed between the anode and the cathode. The anode and the cathode or both include an electrode substrate and a catalyst layer. The catalyst layer includes a catalyst, a hydrophilic ionomer, and a hydrophobic binder.

A wafer processing method divides a wafer into a plurality of individual devices along a plurality of crossing division lines formed on the front side of the wafer. The method includes a functional layer removing step of applying a CO2 laser beam to the wafer along each division line with the spot of the CO2 laser beam, having a width corresponding to the width of each division line set on the upper surface of each division line, thereby removing a functional layer along each division line to form a groove along each division line where the functional layer has been removed, and a groove shaping and debris removing step of applying a laser beam having a wavelength in the ultraviolet region to the wafer along each groove, thereby removing debris sticking to the bottom surface of each groove and also shaping the side walls of each groove.

Wavelength-selective external resonators can be used to greatly increase the output brightness of dense wavelength beam combining (DWBC) system beams by stabilizing the wavelengths of the beams emitted by the individual emitters of the DWBC laser source. The present invention pertains to external resonant cavities that utilize thin-film filtering elements as wavelength-selective elements in external resonators. The present invention further pertains to particular embodiments that utilize thin-film filtering elements in DWBC systems as both output beam coupling elements and wavelength selective elements. The present invention provides advantages over the prior art that include decreased cost, increased fidelity of wavelength selection, and increased wall plug efficiency.

Disclosed herein is a memory control apparatus including a plurality of memory control sections, each of which has connected thereto one or more memories that require periodic refresh and is configured to perform data write, data read, and refresh operations on the one or more memories. The memory control sections issue, to each of the one or more memories, refresh commands at optimum intervals and with arbitrary timing such that commands that consume high power do not conflict with each other.

The invention discloses a high-power chip whole-film fixed resistor and a production method thereof. The high-power chip whole-film fixed resistor comprises a substrate, a film resistive film layer, a front and back electrode film layer, a film end electrode layer, a nickel barrier layer and a tin and lead weldable layer. The high-power chip whole-film fixed resistor takes the aluminum nitride substrate as a carrier, a metal alloy is adopted as the film resistive film layer, metallic copper is adopted as the front and back electrode film layer; the metal alloy and the metallic copper are sputtered with the magnetron sputtering technology; thermal treatment and thermal stability technologies are adopted to improve stability and thermal resistance; the laser resistor trimming technology is adopted for resistance correction. The high-power chip whole-film fixed resistor is high in power, high in accuracy and good in stability. The 2512-size product has the rated power up to 4 W and the resistance ranging from 1 omega to 10 M omega, so that the weight of electronic equipment is obviously decreased, and the size of the electronic equipment is obviously reduced.

The invention discloses a high-power explosion-proof diesel engine which comprises a diesel engine body and is characterized by further comprising a gas inlet system, an exhaust system and a cooling system. The gas inlet system and the exhaust system are connected with a gas inlet and a gas outlet of the diesel engine body respectively through pipelines. A cooling liquid circulating pipeline is arranged in the exhaust system, and two ends of the pipeline form a cooling liquid circulating loop through a flow divider and the cooling system respectively. The high-power explosion-proof diesel engine solves the problems in the prior art of large exhaust resistance, large engine power loss, large water consumption, severe environment pollution and the like caused by wet-type discharging of an explosion-proof diesel engine of a large-tonnage mining explosion-proof trackless rubber-tyred vehicle. The explosion-proof diesel engine which is small in exhaust resistance and less in power loss and environment pollution is provided for the large-tonnage mining explosion-proof trackless rubber-tyred vehicle in an underground coal mine.

The invention discloses an ocean wind energy and tidal current energy united power supply floating lighting device which comprises a lighting mechanism, a wind power generation mechanism and a tidal current energy power generation mechanism. The ocean wind energy and tidal current energy united power supply floating lighting device is characterized in that the wind power generation mechanism is connected to a floating platform with three layers of cabins through a generator in the wind power generation mechanism, and the bottom of the floating platform is connected with a generator in the tidal current energy power generation mechanism through a supporting body with a telescopic heaving plate. According to the ocean wind energy and tidal current energy united power supply floating lighting device, against the technical problem of how to provide lighting and saving manpower during building of a lighthouse in deep water in the prior art, wind energy and tidal current energy are effectively utilized to generate electricity, and electricity for lighting is supplied.

The invention discloses a novel vehicle-mounted natural gas supply system and a stable gas supply method of the novel vehicle-mounted natural gas supply system. The novel vehicle-mounted natural gas supply system comprises an LNG storage tank, a gasification device, a liquid outlet pipe connected between the LNG storage tank and the gasification device, an LNG pump used for extracting liquefied natural gas from the LNG storage tank and a gas pressure driven device driving the LNG pump to work. The LNG pump is arranged on the liquid outlet pipe. The gas pressure driven device is arranged on a pipeline on the downstream of the gasification device and driven through gas pressure of natural gas flowing through the pipeline and connected with the LNG pump through a driving pipeline. The gas pressure driven device of the system is driven through gas pressure of the gasified natural gas in the gasification device to work and drive the LNG pump to extract the liquefied natural gas from the LNG tank, the natural gas flows through the liquid outlet pipe to the gasification device, and therefore the passive circulatory system is formed. According to the system, gas fuel can be stably supplied to an engine, a self-pressurization system is omitted, evacuation loss of natural gas is reduced, and resource waste is avoided.

An integrated circuit (200) includes a semiconductor memory device (202) operative for determining match between received search data and stored data in a plurality of ternary content addressable memory (TCAM) bitcells (100). The plurality of TCAM bitcells (100) each include bit storage including a pair of memory cells (102-0, 102-1) for holding stored data. The TCAM bitcells (100) also include bit comparison circuitry (104) operative for comparing between the stored data and search data on a search line coupled to the TCAM bitcell, wherein the bit comparison circuitry includes a static logic gate operable to provide a match output signal exclusive of a pulsed input. Match circuitry (205) is coupled to receive the match output signal (108) from the plurality of TCAM bitcells (100) for determining whether a match is present for a given search word,

The present invention relates to a fuel cell including: a membrane electrode assembly 10 having an electrolyte membrane 17 sandwiched by a fuel electrode 13 and an air electrode 16; a fuel supply part 43 disposed on the fuel electrode side of the membrane electrode assembly to supply a fuel to the fuel electrode 13; a fuel storage part 41 storing the fuel; and a fuel channel 44 leading the fuel stored in the fuel storage part to the fuel supply part. Since a fuel cell can generate electricity for a long time by being continuously supplied with a fuel, the fuel cell serves as a system advantageous as a power source of a portable electronic device such as a portable phone if it can be made compact. Here, if a user keeps touching a high-temperature portion of the fuel cell, he / she may suffer from low-temperature burn or the like, and therefore, some measure such as providing a heat insulator is necessary, but sufficient heat insulation results in excessively large weight and volume, which leads to a problem that the fuel cell is not suitable as a power source of a portable electronic device. The present invention solves the above problem by the structure in which the fuel channel 44 in the fuel cell is formed as a channel heating the fuel by heat generated in the air electrode and leading the heated fuel to the fuel supply part.