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Power semiconductor device module
A power semiconductor device module includes a plurality of inverters, each having a first transistor and a second transistor that are interposed in series...
Multi-mode interference device
A multi-mode interference (MMI) device includes a substrate layer, a core layer grown on the substrate layer for propagating an optical signal, and a cladding...
Dose rate measurement system
In order to provide a high accuracy radiation dose rate measurement system by good energy characteristics without deteriorating the original energy...
Thermal flow sensor and method of generating flow rate detection signal by
the thermal flow sensor
Provided is a thermal flow sensor capable of obtaining a flow rate detection signal that differs depending on a flow direction of a fluid, with a simple...
A sensor device includes a detector portion, plural metal terminals that transmit a detection signal from the detector portion, and a housing portion, which...
In an air-conditioning apparatus, a heat source side heat exchanger, intermediate heat exchangers, and use side heat exchangers are separately formed and...
Performance evaluation device for variable-speed centrifugal chiller
An object is to sequentially calculate planned COPs. Provided is a performance evaluation device for a variable-speed centrifugal chiller that includes a data...
Air-conditioner and method of returning and cooling compressor oil
An air-conditioner capable of suppressing increase in the suction temperature of a compressor is provided. The air-conditioner according to the present...
Gas turbine combustor and method for operating same
A gas turbine combustor stably burns low-BTU gases, such as blast furnace gases, that are heavily laden with CO.sub.2. The gas turbine combustor includes a...
Flue gas desulfurization
A flue gas desulfurization according to the present invention includes a desulfurization absorber that removes SOx and dust contained in flue gas, spray pipes...
Shift range switching apparatus
There is provided a shift range switching apparatus that can perform appropriate fail-safe control when a power source supplied to an electronically controlled...
Spring unit and sliding mechanism
The present invention relates to a spring unit whose spring constant can be easily changed. The spring unit includes a plurality of wire springs each including...
Vane compressor with vane aligners
There is provided a vane compressor with a plurality of vanes having a structure in which a rotor portion and a rotary shaft are unitarily formed so as to...
Inverter module and integrated-inverter electric compressor using the same
An inverter module and an integrated-inverter electric compressor using the same, which can eliminate noise interference, noise leakage, and the like...
Engine starting device
A ring gear to be coupled to a crankshaft of an engine; a starter motor for starting the engine; a pinion gear for transmitting rotation of the starter motor to...
Porous polyolefin resin film
The purpose is to provide a porous polyolefin resin film which has high gas permeability and a high porosity, and which can exhibit excellent properties...
Flame retardant polycarbonate resin composition, flame retardant for
polycarbonate resin, and method for...
The present invention discloses a polycarbonate resin composition and molded article thereof with excellent flame resistance, no problem with clouding, and...
Ozone generation system
In the present invention, a gas flow rate adjustment apparatus that outputs a raw material gas to an ozone generation apparatus is provided. The gas flow rate...
Elevator modification work apparatus
An elevator modification work apparatus for disposing a coupling shaft mounting aperture on an end surface of a motor shaft includes a positioning member on...
Control device for elevator
Provided is a control device for an elevator to be operated with a speed pattern thereof being changed based on a load of the elevator, in which a control...
Injection molded body having excellent barrier property
A method of providing an oxygen barrier for a product includes placing a product in an injection molded article which includes 10 to 60% by mass of a polyamide...
System and method for estimating states of spacecraft in planet-moon
A method estimates a state of a spacecraft in a planet-moon environment by executing iteratively a particle filter. The particle filter comprising integrates...
Brake control device
A brake control device includes: a valve block furnished with valves which regulate or switch air pressure; a controller which electrically controls a plurality...
Electric power information management apparatus, electric power
information management system, and electric...
An electric power information management apparatus includes a power meter that measures electric power data on electric power to be supplied from a storage...
Work tank of electric discharge machining device
A work tank of an electric discharge machining device can manually move up and down, open and close, and lock and unlock a door without using any mechanical...
Power supply device for electrical discharge machine
The present invention includes a series circuit that includes a DC power supply and a switching element for supplying a DC or AC current pulse to a machining...
Method for removing arsenic compound, method for regenerating NOx removal
catalyst, and NOx removal catalyst
Provided is a practical method for dry-separating arsenic compounds from a used NOx removal catalyst contaminated with arsenic. The method for removing arsenic...
Mobile station, base station, communication system, amount-of-data
information transmission method,...
A mobile station includes an amount-of-data information determining means for monitoring data which are stored on a ...
Method and system for modulating optical signals as high-dimensional
lattice constellation points to increase...
A method modulates data for optical communication by first encoding the data using a forward error correction (FEC) encoder to produce encoded data, which are...
Relay device, station-side optical communication device, communication
system, and bandwidth allocation method
A relay device that relays communication between a low-speed communication device performing uplink 1 G transfer and a high-speed communication device...
High frequency switch
A compact high frequency switch needing no external control signal is obtained. The high frequency switch includes an anti-parallel diode (first anti-parallel...
Turbo charger generator
A turbo charger generator (1) generates power with a generator (7) by driving a gas turbine (3) and a compressor (6) with exhaust gas from an internal...
Power converter using a field effect transistor and a diode
A power converter has one set of two semiconductor switches performing switching actions, each of which is formed of an FET and a free wheel diode connected in...
Lithium secondary batteries and nonaqueous electrolyte for use in the same
A lithium secondary battery comprising: a positive electrode and a negative electrode which each has a specific composition and specific properties; and a...
Method for producing group-III nitride semiconductor crystal, group-III
nitride semiconductor substrate, and...
The method for producing a group III nitride semiconductor crystal comprises preparing a seed crystal having a non-polar plane followed by growing a group III...
Silicon carbide semiconductor device and method of fabricating same
A silicon carbide semiconductor device including an SBD measuring a temperature of a silicon carbide semiconductor element. The silicon carbide semiconductor...
Each outermost part of fixed-side connection conductors, fixed-side fixed contacts, movable-side fixed contacts, and movable-side connection conductors are...
Recording medium, reproducing apparatus, and reproducing method
In a recording medium on which is recorded a multiplexed stream including a plurality of first packets (V_main) constituting a first I-picture in a first video...
Randomly accessible visual information recording medium and recording
method, and reproducing device and...
Access point pictures designated as randomly accessible positions are I pictures or P pictures. Information indicating the decoding sequence (I1, P1, B1, B2,...
Data processing apparatus and data storage apparatus
An access terminal apparatus provides a group determination key being a decryption key to a data center apparatus previously, and then transmits grouping...
Transistor characteristic calculation apparatus using large signal
equivalent circuit model
A transistor characteristic calculation apparatus using a large signal equivalent circuit model has a buffer trap circuit provided between a drain terminal and...
Motor control system and safety monitoring system therefor
Each of a host controller and a motor control apparatus included in a motor control system that drives a motor includes a step of determining, with respect to...
Phenolic resin and material for forming underlayer film for lithography
There is provided a novel phenolic resin which can be used as a coating agent or a resist resin for a semiconductor, which has a high carbon concentration and a...
TFT array substrate, liquid crystal panel having the same, and method of
manufacturing the TFT array substrate
A TFT array substrate includes: a pixel electrode, which is arranged in a pixel region formed in a matrix shape by a gate wiring and a source wiring on an...
Optical fiber characteristics measurement device and method
Provided is an optical fiber characteristics measurement device that is provided with: a light source for emitting laser light modulated by a specified...
Low ambient cooling kit for variable refrigerant flow heat pump
Systems and methods for low ambient air temperature cooling in air-source based heat pump systems wherein an outdoor heat pump unit includes a discharge hood...
Electric compressor and assembly method thereof
A main-bearing outer diameter of an electric motor is made smaller than a rotor outer diameter without causing a drop in production efficiency, and the ease of...
Combined cycle electric power generation plant and heat exchanger
A loss of heat that can be recovered in a heat recovery steam generator is eliminated, whereby a combined cycle electric power generation plant with high heat...