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Three-phase AC to DC converter and air conditioning apparatus using
three-phase AC to DC converter
A three-phase AC to DC converter includes a three-phase AC power supply, a three-phase rectifier bridge circuit that is connected to the three-phase AC power...
Rotary electric machine
An object of the present invention is to provide a rotary electric machine that can improve the reliability of a connection terminal by preventing brazing...
Motor for electric power steering device
A motor for an electric power steering device, includes: a housing side bearing which is placed on the output side of a shaft of a rotor placed in a frame, and...
Power source system controlling a plurality of generators
In the case where the rotation speeds of respective magneto alternating current (AC) generators of a plurality of power source apparatuses (10, 20, and 30) are...
Packaged optical semiconductor device
A wiring is located on a multilayer ceramic substrate. A ceramic block is located on the multilayer ceramic substrate. Electronic parts, including a...
A field-effect transistor includes a channel layer in which a two-dimensional electron gas is formed, an electron supply layer located on the channel layer, a...
A semiconductor device includes: a substrate; a lower wiring on the substrate; an inter-layer insulating film covering the lower wiring; first and second upper...
Gas circuit breaker
A gas circuit breaker includes: a sealed tank filled with insulation gas; a pair of arc contacts that are arranged to face each other in the sealed tank and...
A shutter plate that is supported so as to be able to swing in both directions and covers both first and second operating parts, and a shutter mechanism that...
Shock-absorbing device for fuel assembly and fuel assembly housing
A fuel assembly 20 is constituted by combining a plurality of fuel rods 21, holding the fuel rods 21 by a plurality of support grids 22, and arranging a lower...
Stereoscopic image display device
A light source portion includes a plurality of back lights provided corresponding to respective regions obtained by virtually dividing a liquid crystal panel...
Map display device, navigation device and map display method
A map display device includes a position information acquiring unit for acquiring the present position of a vehicle; a map data storage unit for storing map...
Compound optical combiner
A compound optical combiner for combining multiple optical signals includes a set of combiners. The set of combiners includes at least one polarization combiner...
Active energy ray-curable resin composition, and production method for
products with surfaces of fine...
The present invention relates to a production method for a product having a cured resin layer with a fine concave-convex structure formed on the surface of a...
Velocity measurement apparatus capable of accurately measuring velocity of
moving object relative to ground surface
A velocity measurement apparatus comprising: first and second surface profile sensors for acquiring first and second surface profile data, a memory for storing...
A fluid joint having a first coupler includes a cylindrical first main body and an outer cylinder located at the outer circumferential side of the first main...
Pre-ignition estimation control device for internal combustion engine
An octane rating estimating section estimates the octane rating of fuel on the basis of detection signals from intake air temperature, water temperature, fuel...
Thermal barrier coating method, masking pin and combustor transition piece
A thermal barrier coating method forms a thermal barrier coating by spray coating over the surface of a component where cooling holes are made. The thermal...
Flue gas purifying device
An object of the present invention is to provide a flue gas purifying device that can efficiently decrease nitrogen oxides in flue gas. This object is solved by...
Supersonic turbine moving blade and axial-flow turbine
A supersonic turbine moving blade in which increased circumferential speed due to increased blade length and average diameter reduces shock wave loss in its...
Fluorescent substrate for detection of enzymatic activity of
The object of the invention is to provide a fluorescent substrate for detecting the enzymatic activity of a nitrile-related enzyme and compound represented by...
Polycarbonate resins and processes for producing the same
The invention is to provide polycarbonate resins having excellent light resistance, transparency, hue, heat resistance, thermal stability, and mechanical...
Process for producing hydroxy adamantane carboxylic acid compounds
The present invention can provide a process for producing a hydroxy adamantane carboxylic acid compound represented by the above formula (2), which comprises...
Onboard apparatus and train-position calculation method
An onboard apparatus includes: a route database that stores start and end distances from a start point and a section length of the radiowave-reception difficult...
Control apparatus of rotating electrical machine
A phase difference between an inductive voltage of an armature winding of a rotating electrical machine and an output of a magnetic pole position sensor is...
Heat-sensitive recording material with barrier coating
A heat-sensitive recording material includes at least a substrate, a heat-sensitive recording layer arranged on the front side of the substrate and has at least...
Multilayer polyester film with high optical density with a total thickness
of max. 60 .mu.m with two white...
The invention relates to an at least three-layer, biaxially oriented polyester film with two white outer layers and carbon-black-filled base layer, where the...
Composite material manufacturing device and composite material
In manufacturing composite material by curing fluid, strength deterioration of the composite material due to repair before the fluid is cured is reduced. A...
Wire discharge-machining apparatus with parallel cutting wires
A wire machining method includes: a wire electrode set as cutting wires provided in parallel with a distance between the cutting wires of which a predetermined...
CO.sub.2 recovery system and recovery method for moisture containing
A CO.sub.2 recovery system 10A has a CO.sub.2 recovery unit 11, a compression unit 12, and a condensed-water supply line 65A that supplies condensed water 64 to...
Pharmaceutical formulations comprising paraoxonase
The present invention provides a pharmaceutical formulation comprising paraoxonase (PON), a purification and stabilization method of PON, and an agent for...
Information processing for a body motion signal
An information processing method includes the following steps: applying a pattern matching process on the body motion signal information, and extracting rhythm...
Electric discharge machine
Communication management apparatus, communication node, and communication
system, and data communication method
The communication management apparatus includes a network-presence-check processing unit that performs network presence check processing for generating network...
Method and system for reducing interference and noise in speech signals
Interference in an audio signal is reduced by estimating a target signal using beam-forming in a direction of the signal source. A set of estimates of...
Synchronous machine starting device
In a synchronous machine starting device, a timing detection unit outputs a first position signal indicating a timing at which a value of an armature voltage...
Power supply device and method of determining abnormality in power supply
A power supply device includes: a first switching element and a flywheel semiconductor element which are connected in series to a first DC power source in this...
A gas-insulated switchgear includes: a circuit breaker; a connection bus bar; a first disconnect switch; a second disconnect switch; a line bus bar; a main bus...
Nonaqueous electrolytes and nonaqueous-electrolyte secondary batteries
employing the same
A subject is to provide a nonaqueous electrolyte excellent in cycle performances such as capacity retention after cycling, output after cycling, discharge...
Method of manufacturing semiconductor device
A method of manufacturing a semiconductor device includes the steps of immersing a substrate in a solution containing metal ions to adhere a metal catalyst to a...
A semiconductor device includes a metal substrate, semiconductor elements, wires, a control terminal, a main electrode terminal, a control substrate, a cover, a...
A semiconductor device includes a substrate, a buried insulating film formed on the substrate, an SOI layer formed on the buried insulating film, an insulating...
Nitride semiconductor and nitride semiconductor crystal growth method
A base at least one principal plane of which is a nitride is prepared for use in epitaxial growth. The base is placed on a susceptor in an epitaxial growth...
Vehicle rear view monitoring device
Because a vehicle rear view monitoring device changes the detection threshold level of each of distance sensors 4-1 to 4-4 to change horizontal and vertical...
Position input apparatus that detects a position where a pressure is
As for a position input apparatus that, when a user applies a pressure to an operation area, determines a pressed position where the pressure is applied, the...
Method and system for detouring around features cut from sheet materials
with a laser cutter according to a pattern
A path of a cutter head of a laser cutting machine is modified to cut features according to a pattern from a material. A no-travel zone that the laser cutter...
Projector having blue light alleviating part
A projector includes a light modulation part modulating light generated by a light source part, a video signal processing part processing a video signal to be...
Superconducting-magnet adjustment method
There are provided the steps of: measuring a magnetic field in a predetermined space; and performing shimming by arranging a plurality of ferromagnetic shims in...
Ultrasonic testing method
An ultrasonic testing method is provided to measure a thickness of an object in a simple and highly accurate manner when crystal grains that form a metal...