2021results about How to "Improve output efficiency" patented technology

In a power amplifier a Doherty amplifier is provided with an output higher harmonic reflection circuit that is connected to the output terminal of a first FET chip and sets an even-numbered higher harmonic load of an output signal at the output terminal to be a short-circuit, or at a low impedance approximating a short-circuit, and sets an odd-numbered higher harmonic load of an output signal at the output terminal to be an open-circuit, or a high impedance approximating an open-circuit.

A lighting device includes: a plurality of LEDs arranged in an at least two-dimensionally dispersed manner; a transparent resin layer that covers the plurality of LEDs in an integrated form; a photo-detecting unit that detects an intensity of light emitted from the plurality of LEDs using a photodetector, the photodetector being arranged inside, on a surface, or in the vicinity of the transparent resin layer; and a power supply circuit unit that controls driving of the plurality of LEDs based on a detection output from the photo-detecting unit. Here, the number of the photodetector is smaller than the number of the LEDs, and the photodetector detects an intensity of light emitted from the LEDs and propagated through the transparent resin layer.

A brushless generator has a high rotation speed, a high usage efficiency, no iron loss and a small mechanical loss while the electric power output of the generator is increased

In a wheel rotating apparatus including a motor and a planet gear mechanism to generate a drive force, the planet gear includes first and second gears having different diameters, connected to each other in an axial direction thereof with planet gear shaft. The first gear is inside the stator and the rotor in radial and axial directions of the wheel and the second gear is outside the first gear in an axial direction of the wheel. A vehicle may include a suspension connected to the base of the wheel rotating apparatus.

In a reciprocating (RS) injection unit environment, as shown in FIG. 1, a controller of the injection unit is arranged to continuously rotate the screw during both conventional plasticizing operation and shot injection. In this way the RS unit is more efficient, utilizing less energy and producing greater resin output. The injection unit includes a non-return valve adjacent a nozzle, which non-return valve is either configured to rotate with the screw to reduce wear or presented as a ball check style noon-return valve. In an injection molding environment, the rotating screw includes flights that allow granules of resin to melt and mix in spaces between adjacent flights, but the flights are arranged substantially to inhibit excessive displacement of resin around the flights.

The invention increases the outgoing efficiency of light generated in an organic luminous layer of an organic electroluminescence element without decreasing the numerical aperture. A light-transmissive anode electrode layer, an organic luminous layer, and a light-reflective cathode layer are provided on the entire surface of one pixel region. On the anode layer, the organic luminous layer, and the cathode layer, slopes are installed protruding from the anode layer side to the cathode layer side. By this, light generated in the organic luminous layer, and irradiated in parallel to a cumulate surface of a cumulate body, is reflected by the slope on the boundary between the organic luminous layer and the cathode layer and exits toward the anode layer side.

The invention relates to the micro-energy field, in particular to a vibratory drive composite micro-power source based on the piezoelectric effect and the electromagnetic induction. The micro-power source adapts the requirement of the micro electro mechanical system development for the micro-energy and comprises a substrate, a peripheral base, cantilevers and a mass block, wherein the substrate is fixed with the lower surface of the peripheral base by bonding; a vertical through hole is arranged in the middle of the mass block; an induction coil is processed on the upper surface and / or the lower surface of the mass block; a micro permanent columnar magnet is fixed on the upper surface of the substrate; PZT piezoelectric thin films are arranged on the cantilevers; a plurality of external lead bonding pads are arranged on the peripheral base; and the two ends of the induction coils and the two polarized surfaces of the PZT piezoelectric thin films are respectively connected with the corresponding external lead bonding pads by leads. The power source has reasonable and concise structure, is liable to miniaturization and integration, and can provide power to the micro electro mechanical systems at high output energy density and high output efficiency, realize self power supply of the micro electro mechanical systems and meet the requirement of the micro electro mechanical system development for the micro-energy.

The present invention relates to a method for enhancing the use of a computer network which is accessed by use of a wireless device. Specifically, one embodiment of the present invention pertains to a method of using server-resident software assistants, programs to assist the wireless device user, to perform a significant amount of the tedious input tasks required when wireless devices such as PDAs attempt to exploit the services available on the Internet. The method provides a mechanism by which software assistants can be programmed to a users' own specific information and ways of performing tasks that exploit Internet services such as purchasing, information searches, event planning and complex scheduling. The task can be organized in structural task lists that interface with a user's stored preferences and PIM information on the portable electronic device.

In a power amplifier a Doherty amplifier is provided with an output higher harmonic reflection circuit that is connected to the output terminal of a first FET chip and sets an even-numbered higher harmonic load of an output signal at the output terminal to be a short-circuit, or at a low impedance approximating a short-circuit, and sets an odd-numbered higher harmonic load of an output signal at the output terminal to be an open-circuit, or a high impedance approximating an open-circuit.

The invention provides a scaleable tower that adapts to the technologies of photovoltaic panels and micro to small turbine(s), in multiple configurations, raised in a hover-up manner.

The invention provides a large-power intelligent dimming multiple-output power supply for suppressing electric surge with a field-effect transistor. The power supply comprises an electric surge suppression unit, an LLC (Inductor-Inductor-Capacitor) resonance conversion unit, a synchronous rectification unit and more than one constant-current-output intelligent dimming unit, wherein a power resistor in the electric surge suppression unit is connected in parallel with the source electrode and the drain electrode of a field-effect transistor, and the loss of an electric surge suppression circuit is very low due to the extremely small on-resistance of the field-effect transistor so that the whole efficiency of the power supply is improved. The invention acquires the output efficiency up to 95 percent by the optimization design of parameters of an LLC resonance network, the constant-current-output intelligent dimming unit circuit of the invention increases the mean value of the output current by increasing the duty cycle of an output current when sensing infrared rays of a human body; and otherwise, the constant-current-output intelligent dimming unit circuit decreases the duty cycle of the output current but not decreases the peak value while no body passes by so as to ensure LED luminous power and prevent light from scattering over the ground.

The invention relates to a two-stage laser system well fit for semiconductor aligners, which is reduced in terms of spatial coherence while taking advantage of the high stability, high output efficiency and fine line width of the MOPO mode. The two-stage laser system for aligners comprises an oscillation-stage laser (50) and an amplification-stage laser (60). Oscillation laser light having divergence is used as the oscillation-stage laser (50), and the amplification-stage laser (60) comprises a Fabry-Perot etalon resonator made up of an input side mirror (1) and an output side mirror (2). The resonator is configured as a stable resonator.

Disclosed herein is a low-reflectivity, brightness-enhancing multilayer optical film for enhancing the brightness of an organic light emission diode (OLED) display and imparting anti-reflection performance to the display. The multilayer optical film comprises a transparent substrate, a light diffusion layer formed on the transparent substrate by wet coating and a light-absorbing layer formed on the light diffusion layer by wet coating wherein the substrate has a thickness of 10˜300 μm, the light diffusion layer contains a resin and spherical particles, and the light-absorbing layer contains 50˜500 parts by weight of core-shell structured light-absorbing particles composed of a light-absorbing agent as a material for the core and a transparent resin as a material for the shell. Further disclosed is an organic light emitting diode (OLED) display using the multilayer optical film.

The invention provides an automatic backlight component detecting, labeling and film sticking production line which is automatically controlled by a software driving system. The automatic backlight component detecting, labeling and film sticking production line comprises a workbench arranged horizontally. A conveying mechanism, an energization detecting platform, a rotating disk, a feeding device, a position detecting camera, a film sticking device, a film pressing device, a labeling device, a bubble detecting camera and a discharging device are installed on the workbench, wherein the film sticking device is used for sticking a thin film on a backlight component. At least seven positioning stations are arranged on the rotating disk in the circumferential direction, and the feeding device, the position detecting camera, the film sticking device, the film pressing device, the labeling device, the bubble detecting camera and the discharging device are sequentially arranged on the rotating disk in the circumferential direction in a surrounded mode and are in one-to-one correspondence with the seven positioning stations. According to the automatic backlight component detecting, labeling and film sticking production line, the output efficiency of the backlight component is greatly improved, the manual labor intensity is relieved, and the output processes of the backlight component are simplified. The invention further provides an automatic backlight component detecting, labeling and film sticking method.

A power supply system includes a fuel cell and a battery connected in parallel. A DC-DC converter is connected to the battery. A maximum output ratio of the fuel cell and the battery is set to be in a range where the output of the fuel cell is within 65 to 80% of the total output. Accordingly, electric power loss owing to conversion performed by the DC-DC converter is reduced to achieve a high energy efficiency.

The invention discloses an integrated system for generating electricity by current, sea wave as well as tide kinetic energy and wind and solar energy, comprising a wind energy generator set, a solar energy generator set and a current kinetic energy generator set. The wind energy generator set mainly consists of a wind wheel, a drive system, a generator, a control protection system and a tower; thesolar energy generator set mainly consists of a solar energy battery pack, a solar energy controller and an inverter; and a floated current kinetic energy generator set or a layered columnwise current kinetic energy generator set are adopted for the current kinetic energy generator set. Alternating current generated by the wind energy generator set, the solar energy generator set and the currentkinetic energy generator set is transported and accesses to the Internet. The generating system uses wind power to generate electricity when the wind energy exists, uses light energy to generate electricity when the light energy exists and uses the current kinetic energy to generate electricity when the current kinetic energy exists, i.e. the wind energy, the light energy and the current kinetic energy can complement each other, can apply work together and can be used for circularly generating electricity. The invention has simple structure and lower cost, thereby being beneficial to popularization and environmental protection.

In a reciprocating (RS) injection unit environment, as shown in FIG. 1, a controller of the injection unit is arranged to continuously rotate the screw during both conventional plasticizing operation and shot injection. In this way the RS unit is more efficient, utilizing less energy and producing greater resin output. The injection unit includes a non-return valve adjacent a nozzle, which non-return valve is either configured to rotate with the screw to reduce wear or presented as a ball check style noon-return valve. In an injection molding environment, the rotating screw includes flights that allow granules of resin to melt and mix in spaces between adjacent flights, but the flights are arranged substantially to inhibit excessive displacement of resin around the flights.

The invention relates to coalbed gas mining technology, in particular to a method for extracting coalbed gases from coal mines by upper and lower combination. The method solves the problem of poor gas drainage effects through surface well drilling and hole drilling in the coalbed. The method comprises the following steps: constructing extraction drilled wells on the surface, constructing underground directional long drilled holes in the coalbed, crosslinking the fracture areas of the extraction drilled wells with the drainage areas of the underground directional long drilled holes, then effectively sealing the underground directional long drilled holes in the coalbed, then utilizing fracturing equipment on the surface to fracture the drainage areas drilled on the surface and the drainage areas of the long drilled holes in the coalbed via the extraction drilled wells and finally carrying out extraction. The method has the advantages of improving the extraction rate and efficiency of the coalbed gases and shortening the construction period of the coalbed gas extraction engineering.

An apparatus and method for forming retainers on a continuous strand such as, for example, of suture material and a suture produced by the same. The apparatus may include a retainer forming member configured to rotate about a first axis. The retainer forming member may include a cutter, the cutting edge of which may directed substantially inward toward, or outward away from, the first axis to define a retainer forming zone when the retainer forming member rotates about the first axis. The apparatus may further include a support member arranged adjacent to the retainer forming member and configured to receive and support the continuous strand in the retainer forming zone. When the retainer forming member rotates about the first axis, the passing strand may be intermittently or continuously cut by the cutting edge of the cutter.

An encapsulated electronic device is described comprising:a first barrier structure (20) comprising at least one inorganic (24) and at least one organic layer (23),a second barrier structure (30) comprising at least one inorganic (31) and at least one organic layer (32),an electronic device (10) arranged between the first and the second barrier structure (20, 30),characterized in that the at least one inorganic layer (24) of the first barrier structure (20) and the at least one inorganic (31) layer of the second barrier structure (30) contact each outside an area (A) occupied by the electronic device (10).

Provided are an apparatus for controlling a switch of a satellite transponder for multibeam communication, and a method thereof. The apparatus and method can increase output efficiency of communicated satellite electric wave signals and reuse frequencies in one-to-one earth station communication or a one-to-multi earth station communication. The apparatus includes: an earth control station interfacing block for receiving and processing commands from an earth control station, collecting operation states of the switch controlling apparatus and reporting them to the earth control station; a reference frequency generating block for generating a reference clock needed to operate the switch controlling apparatus and generating a reference frequency based on the reference clock; and a switch controlling block for reading contents of a memory storing a switching sequence periodically, detecting and correcting errors of the contents to generate a switch control signal, and transmitting the signal to a radio frequency switch.

The configurations of photovoltaic system and methods thereof are provided. The proposed photovoltaic system includes a PI-INC MPPT controller using a constant-frequency variable-duty (CFVD) control and guided by an Ipv-Vpv curve and a Ppv-Vpv curve.

The invention discloses a design method for a radio frequency ultra-wide band high-efficiency power amplifier and a circuit. The design method includes the steps of a multi-frequency point transistor input and output impedance test, design of a maximum power transmission output impedance matching network, design of a wide band input multi-section impedance matching network, design of an input harmonic suppression network and an output harmonic suppression network and design of a transistor offset network. The transistor input and output impedance test technology achieves precise calculation of transistor input and output impedance. The maximum power transmission output impedance matching network achieves transistor impedance matching and maximum power transmission. The wide band input multi-section impedance matching network achieves wide band transistor input impedance matching. The design of the input harmonic suppression network and the output harmonic suppression network eliminates higher harmonic influences at the input end and the output end of a transistor, reduce losses and improve power additional efficiency of the amplifier. The design of the offset network provides working voltage of the transistor. The power amplifier can acquire higher frequency bandwidth, output power and power additional efficiency.

The invention relates to an organic lighting component, in particular an organic light-emitting diode, comprising a lighting element (1; 2) and a luminous surface (1f, 2f) encompassed by the lighting element (1; 2), the luminous surface being formed by an electrode (1a; 2a), a counterelectrode (1d; 2d), and an organic layer system (1e; 2e) which is situated between the electrode (1a; 2a) and the counterelectrode (1d; 2d) and is in electrical contact with the electrode (1a; 2a) and the counterelectrode (1d; 2d), wherein sections of the organic layer system (1e; 2e) which are located in the region of the luminous surface (1f; 2f) and which emit light upon application of an electrical voltage to the electrode (1a; 2a) and the counterelectrode (1d; 2d) have a uniform organic material structure and are provided on multiple partial electrodes (1b; 2b) of the electrode (1a; 2a) electrically connected in parallel, on one side the multiple partial electrodes being electrically connected to one another at their ends, and in which a lateral distance between adjacent partial electrodes (1b; 2b) is smaller than the width of the adjacent partial electrodes (1b; 2b).

A structure of a p-electrode formed at the light-emerging side of an LED that comprises (a) an n-type semiconductor substrate, (b) an n-type cladding layer, an active layer, a p-type cladding layer, and a p-type contact layer formed on the substrate in this order, and (c) an n-electrode formed on the back face of the substrate. The structure of the p-electrode comprises a mesh-shaped semi-transparent thin-film metal electrode for diffusing electric current formed on the p-type contact layer and a bonding electrode for wire bonding. The metal electrode comprises a covering portion having a transmittance of at least 10% and an opening portion having an opening ratio of at least 20%. The bonding electrode is formed at the periphery of the p-type contact layer and is bonded directly to the mesh-shaped semi-transparent thin-film metal electrode. This structure can increase the intensity of the output light emerging from the p-side.

The invention discloses a preparation method of an anodic-aluminum-oxide-based nano imprinting template. According to the preparation method, the nano imprinting template with periodic nano-hole arrays is prepared from ordinary aluminum sheets by an anodic oxidation method; the diagram is simple and is low in cost; the preparation cost of the nano imprinting template is skillfully reduced; due to the adoption of the anodic aluminum oxide AAO method, nano-hole arrays with different periods and different hole diameters can be prepared by controlling the reaction conditions; the method is flexible and convenient, is low in cost and can meet different requirements; the nano-hole arrays of AAO are transferred and copied by a nano imprinting method; the problems that the structure is poor in sequence and the AAO is damaged and cannot be reused in the process of transferring the current AAO nano-hole array diagram can be avoided; by virtue of the adoption of the secondary imprinting method and an intermediate polymer template IPS method, AAO is protected while the cleaning effect is also achieved, so that the AAO is reused; the cost is further reduced.