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Method for estimating time of arrival of received signals for ultra wide
band impulse radio systems
A method estimates a time of arrival of a signal received in a wireless communication system. An energy in a frame of a received signal is measured to determine...
Optical device and semiconductor laser oscillator
In an optical device, a slab layer includes an active layer sandwiched between cladding layers. The slab layer has a periodic refractive index profile structure...
Semiconductor laser device and method for manufacturing the same
A semiconductor laser device includes: an n-type cladding layer, an active layer, and a p-type cladding layer, each being a III-V group compound semiconductor,...
Optical recording method and medium on which recording and/or reading are
performed from one side
In an optical recording medium having a plurality of recording layers on which information can be recorded by irradiating a laser beam from one side thereof, an...
Provided is an electronic device which does not require difficult machining operation to reduce a wall thickness of a case by cutting, which helps to secure a...
Semiconductor device and method of manufacture thereof
A transfer mold type power module ("TPM") is provided with a projection at each of the four corners on its front main surface. The TPM is also provided a first...
Electric double layer capacitor and electrolytic solution therefor
The present invention provides an electric double layer capacitor which has electrodes made of an alkali-activated carbon, prepared from a graphitic material,...
Transmission type display device and a method for controlling its display
An improved transmission type display device features a light source having plural emission colors and means for controlling the chromaticity of display images,...
Correction data output device, correction data correcting method, frame
data correcting method, and frame data...
A correction data output device according to the invention includes correction data outputting device for outputting correction data that corrects object frame...
A CPU calculates, based on a frequency command value for driving a motor and on a state quantity of the motor, an output-voltage command value in which only the...
Wind turbine provided with a controller for adjusting active annular plane
area and the operating method thereof
A wind turbine which varies an active annular plane area by composing such that blades are attached to a cylindrical rotor movable in the radial direction of the...
Up-wind type windmill and operating method therefor
A structure of an upwind type wind turbine and the operating method thereof capable of preventing the occurrence of damage of the blades by evading excessive...
Carbonic water production apparatus and carbonic water production method
A carbonic water production apparatus equipped with a carbonic acid gas dissolving apparatus 3 and a circulation pump 1, wherein water in a bath 11 is circulated...
Integrated piping plate, machining method for same, machining apparatus
for same, and machining equipment for same
A machining method for an integrated piping plate, for example, composed of a plurality of plates joined together, and in which an instrument and a component...
Electric connector housing
Electric connector housing
Information collection retrieval system
An information collection retrieval system includes: a facility information database for storing individual information items about facilities; an information...
Route searching apparatus
A route searching apparatus includes a map data acquiring unit for acquiring map data defined by nodes and road links, a route searching unit for searching for a...
MPEG recording and playback device
An MPEG recording and playback device is provided which can provide pertinent information on a program being played back to viewers at least in certain forms...
Time series data dimensional compression apparatus
A time series data dimensional compression apparatus performing dimensional compression for improving the efficiency of searching for time series data without...
Encoding system and encoding method
An encoding system capable of preventing the overflow of a buffer and performing the encoding of a VOP within a predetermined time period even where the...
Frequency modulation radar apparatus for vehicle use background of the
A frequency modulation radar apparatus for vehicle use can suppress the influence of noise to avoid incorrect estimation due to noise thereby to provide a beat...
In the inverter device of the invention, when a power source connected to an electrolytic capacitor 5 is interrupted, a switching control circuit 6a controls...
A terminal box of an output part of a solar cell module, including a case and an outer lid that are molded with a thermoplastic resin and an removal cable cover...
Production of carboxylic acids or carboxylic acid esters
In the production of carboxylic acid or carboxylic acid ester, a reaction product containing the carboxylic acid or carboxylic acid ester which has been produced...
Semiconductor device and method of manufacturing the same
A semiconductor device, including: a semiconductor substrate of a first conductivity type having a first and second major surfaces; a first conductivity type...
L-amino acid amide asymmetric hydrolase and DNA encoding the same
A recombinant microorganism is produced by introducing a DNA encoding an enzyme which hydrolyzes an amido bond of L-amino acid amide, especially ...
Group controller of elevators
In an elevator group supervisory control apparatus, an estimation processing unit determines an estimated in-cage load in departing from a departure floor and...
Apparatus and method for processing screw rotor and cutting bit
A method for processing a screw rotor includes a step of rotating a blade holder 2 while shifting the blade holder 2 in X-axis, Y-axis, and Z-axis directions to...
Voltage fluctuation compensating apparatus
Voltage compensating circuits are connected serially to a power system, including capacitors each having different charging voltages (in relationship of...
Disk conveyance apparatus and support means for supporting conveyance
A disk apparatus includes a supporting mechanism inwardly projecting from an inner surface of a wall of a housing, the wall having a disk insertion/ejection...
Method and device for processing and for searching for an object by
signals corresponding to images
A method of representing an object appearing in a still or video image, by processing signals corresponding to the image, comprises deriving the peak values in...
Electrolyte for electrolytic capacitor and electrolytic capacitor
containing the same
Electrolyte solution and an electrolytic capacitor using it having a low impedance characteristic, having a high withstand voltage characteristic of 100V class,...
Image processing method and apparatus, and image display method and
apparatus for changing edge sharpness
A method of changing edge sharpness of an input image being formed from input pixels having intensity levels, the method including detecting pixel-to-pixel...
7-(Pyrimidin-4-yl)-Imidazo[1,2-a]Pyrimidin-5(1H)-ones as GSK3.beta.
The invention relates to a imidazo[1,2-a]pyrimidone derivative represented by formula (I) or a salt thereof: R.sup.1 wherein X represents a bond, an ethenylene...
Valve, exhaust gas recirculation control valve and valve assembling method
A valve has a housing, a shaft with a valve disc, and a sliding shaft support portion along which the shaft slides, wherein the sliding shaft support portion is...
Brake device for elevator
In a braking device for an elevator, a sheave around which main ropes for suspending a car and a counterweight are looped is provided with a pressing device. A...
AC generator for vehicle
Parallel precoder circuit
A parallel precoder circuit executes a differential encoding operation on an n-row parallel input information series, and outputs an n-row parallel output...
Control apparatus for internal combustion engine
A control apparatus for an internal combustion engine, where a calculated fuel injection quantity is corrected with a purge-air-concentration learnt value...
Semiconductor laser device
A semiconductor laser device includes an active layer, a pair of guiding layers sandwiching the active layer, and a pair of cladding layers sandwiching the...
Code allocation method in an MC-CDMA telecommunication system
A object of the present invention is to decrease or avoid the distortion of an MC-CDMA signal transmitted over a reverse link channel for a given amplifier...
Liquid crystal display device
A liquid crystal display device has the first substrate and the second substrate. The first substrate includes a gate line, a source line crossing the gate line,...
Resolver reference position adjustment method
A resolver reference position adjustment method is capable of minimizing a detection error in the rotation angle of a rotor of a motor. In the resolver reference...
Electrically operated power steering controller and adjusting method of
driving electric current offset in this...
The invention proposes an electrically operated power steering controller for inputting a driving electric current offset value of higher accuracy and being able...
A pyrimidone derivative represented by formula (I) or a salt thereof, or a solvate thereof or a hydrate thereof having inhibitory activity against tau protein...
Coating composition for adhering metallized layers to polymeric films
A metallized film and a process for making the film are disclosed. In general, the metallized film includes a polymeric film layer that is coated with a...
Optical recording medium
A dual-layer optical recording medium, which is formed by adhering a disk substrate (inverted-stack structure) formed by stacking a reflective layer (1) and a...
High-purity quartz powder, process for producing the same, and glass
Subjects for the invention are to obtain a quartz powder having a high purity and high quality and a process for producing the same and to obtain a glass molding...