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Biphenyltetracarboxylic acid dianhydride and process for producing the
same, and polyimide formed from the same...
To provide a process for producing BPDA whereby high productivity is attained while high purity is maintained. A process for producing biphenyltetracarboxylic...
Low temperature co-fired ceramic circuit board
A low-temperature fired ceramic circuit board with little warpage, few conductor wrinkles, low hygroscopicity, excellent dielectric properties, and a glass-free...
River water utilizing flue gas desulfurization system and humic substance
A river water utilizing flue gas desulfurization system 10 according to an embodiment of the present invention includes: a pre-treatment facility 13 that...
Planetary bearing structure
In a planetary bearing structure equipped with a slide bearing mounted to a shaft hole of a planetary gear, the planetary gear rotating about the outer...
Actuation system, helicopter using the same, and controlling method
An actuation system includes a pump assembly configured to form a pump chamber, an actuator having first and second chambers and a movable member and configured...
Process for producing polyamide
A process for producing polyamide which comprises directly melt polymerizing a diamine component, which comprises 70% by mole or more of xylylenediamine...
Fuel tank mounting device and an industrial use vehicle therewith
A fuel tank mounting mechanism which enhances backward visibility of an operator and performs the loading/unloading work of a fuel tank by a single motion to...
Method for manufacturing an overrunning clutch
Rollers and springs are installed in notch portions of a clutch outer (S104), an inscribed circle diameter of the rollers is measured in a state in which the...
Safety device for elevator and rope slip detection method using drive
In a safety system for an elevator, a safety gear is mounted to a car, the safety gear being electrically operated by an actuator to cause the car to make an...
Brake device for use in an elevator using a target pattern when a hoist is
In an elevator device, movement of a car is braked by a brake device in a state in which driving of a hoist is stopped. While the drive of the hoist is stopped,...
An electric vehicle which can cool a power unit by cold airstreams without causing dew drops and a temperature rise in a vehicle interior is provided. The...
Storage container for liquid chlorosilane and closing lid therefor
The storage container for a liquid chlorosilane of the present invention comprises, a tank which stores the liquid chlorosilane, a valve which is connected to...
Control apparatus for an internal combustion engine
Provided is a control apparatus for an internal combustion engine which is capable of estimating a single composition concentration based on an air-fuel ratio...
Tip tool guide apparatus
A tip tool guide apparatus 1 includes a swivel supporting unit 20 that is supported in a water chamber 100 of a steam generator by being stretched while...
Gas turbine and method of forming combustor insertion hole of gas turbine
A gas turbine includes a combustor, a combustor casing formed in a cylindrical shape to house the combustor therein, and a combustor insertion hole, which is a...
Method for clustering samples with weakly supervised kernel mean shift
A method clusters samples using a mean shift procedure. A kernel matrix is determined from the samples in a first dimension. A constraint matrix and a scaling...
Generating apparatus and control method thereof
Voltage of a utility grid is reliably and swiftly restored, which decreased due to a utility grid failure or the like, to reference voltage. A generator is...
Optical fiber sensor and fuel supply apparatus having the same
An optical fiber sensor includes: an optical fiber; a light source portion; and a light receiving portion. The optical fiber includes: a core that includes a...
An audio system 10 has a plurality of audio sources 12a-12c for outputting audio signals different from each other. A coefficient device 15d adjusts the gain of...
Communications device and communications method
A communications device 100, which performs data communication, includes an AC cycle sensor 30 which is connected to a power line 106 supplied with an a.c....
Image coding apparatus with segment classification and segmentation-type
motion prediction circuit
A segmenting section divides an input image into a plurality of segments. A hierarchizing section determines classes of the respective segments according to a...
Method for detecting hidden nodes in cognitive radio networks
The invention and method provides a concise model for signaling over control channel of cognitive radio. The model is analyzed and simulated for optimum...
Optical recording device and method
Before new information is recorded on a comparatively deep recording layer in a multilayer optical recording disc, a predetermined target value of a reproduced...
A power converter includes an inverter circuit for superimposing a generated voltage on an AC input voltage, a diode bridge full-wave rectifying circuit...
Bridge rectifier circuit
A bridge rectifier circuit, which takes control of a current flowing through an armature winding of a motor-generator and a battery, includes rectifier elements...
Controller for AC rotary machine and controller for electric power
A storage section stores three-phase detection currents and outputs them as three-phase storage detection currents and also stores three-phase voltage commands...
Power block and power semiconductor module using same
A power block includes an insulating substrate, a conductive pattern formed on the insulating substrate, a power semiconductor chip bonded onto the conductive...
Semiconductor device having an enlarged emitter electrode
A semiconductor device comprises: a semiconductor substrate; a plurality of IGBT cells on the semiconductor substrate, each of the IGBT cells including a gate...
Production process of difluorophosphate, nonaqueous electrolytic solution
and nonaqueous electrolytic secondary...
To provide a technique for simply and easily producing a high-purity difluorophosphate and provide a production process of an electrolytic solution using the...
Polyimide resin, polyimide film, and polyimide laminate
A polyimide resin composed of a repeating unit represented by the following formula (1): ##STR00001## or composed of the repeating unit represented by the...
Flue gas desulfurization apparatus
A flue gas desulfurization apparatus includes an absorption tower that absorbs sulfur oxide in a flue gas, and drift suppression members that are arranged near...
Idle-stop restart control system
The idle-stop restart control system includes: a sensorless synchronous motor-generator which operates as a generator and a starting motor; an induced-signal...
Method and apparatus for manufacturing light source
An apparatus for manufacturing a light source and a method therefor are provided that enables a high efficient light source to be manufactured even when an...
Wind turbine generator having a detection unit for detecting foreign
object inside rotor and operating method...
In order to provide a wind turbine generator and an operation method of the wind turbine generator which is not subjected to damages caused by foreign objects...
Knock type writing instrument
A slide body (6) is arranged in a cut-away portion of a holder (1) under a clip (2a) so as to not hinder writing or portability, and a safety mechanism is...
Bearing device and rotary machine
The bearing device has a bearing housing which is supported by a bearing base mounted on a body of a rotary machine equipped with a rotating shaft and through...
Shipping carton with integral cushion support
A shipping carton with an integral cushion support. The carton includes a bottom, two side walls and two end walls extending vertically from the base, and a...
Internal combustion engine combustion state detection apparatus
A combustion state detection apparatus includes an ion detection device that detects ions generated in a combustion chamber, an end detection device that...
Video information distribution and display system
Problem In the case of displaying text information, a static image and a dynamic image on an image display device carried on a train or car in accordance with...
Table device, variable length coding apparatus, variable length decoding
apparatus, and variable length coding...
A table device includes a match cell number output unit 25 for outputting a match cell number showing a cell PE which outputs a matching signal, and an address...
Internal-combustion-engine automatic stop and restart system
An internal-combustion-engine automatic stop and restart system performs restarting control by making the pinion pushing unit push out the pinion gear so as to...
Engine starting device for idling-stop vehicle
An engine-starting device for stopping the engine after satisfaction of an idling-stop condition during idling of a vehicle, starting rotation of a...
Method for temporally editing videos
A method edits an input video to produce an output video. Pixels of the input video are partitioned into sets of pixels, wherein the pixels in the sets are...
Method for editing images and videos
A method edits editing an input image to produce an output image by first partitioning pixels of the input image into sets of adjacent pixels. Then, for each...
Determining disparity search range in stereo videos
Embodiments of the invention disclose a system and a method for determining a disparity search range for a current stereo image of a scene based on a set of...
Ciphertext generating apparatus, cryptographic communication system, and
group parameter generating apparatus
The random number generating unit 222 randomly generates an integer s. The first ciphertext generating unit 241 generates a first ciphertext C1 by encrypting...
OFDM networks with pseudo-random phase precoding
In an orthogonal frequency division multiplexing (OFDM) network, a set of pseudo random sequences (PRS) are stored at a transmitter and a receiver. Each OFDM...
Transmission apparatus, reception apparatus, communication apparatus, and
A transmission apparatus divides transmission data according to spatial streams and transmits divided transmission data in parallel in an MIMO communication...