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Clipping circuit and radio transmitter using the same
A clipping circuit to limit amplitude of an orthogonal baseband signal includes a 16-gonal clipping circuit almost equivalent to a circular clipping circuit. The...
Layer 2 switch and method of processing expansion VLAN tag of layer 2
A layer 2 switch enables communication between different layer 2 networks by rewriting an expansion VLAN tag according to a network of a frame transfer...
System and method for connecting portable information equipment and
A system for connecting a portable information equipment and an extension telephone, comprises: an extension telephone connecting device for connecting the...
The memory device according to an embodiment of the invention prepares a reference field (reference value range) corresponding to each logical value and if the...
Magnetoresistance device with a diffusion barrier between a conductor and
a magnetoresistance element and...
A magnetoresistance device is provided for improving thermal stability of a magnetoresistance element by preventing inter-diffusion between a conductor (such as...
A transmitter for transmitting signals to targets and a receiver for receiving signals reflected from targets are included. The transmitter outputs CW signals...
Pulse width modulation circuit and multiphase clock generation circuit
A pulse width modulation circuit comprises a multiphase clock generation section which generates multiphase clock signals based on a reference clock, and a pulse...
Simple signal transmission circuit capable of decreasing power consumption
A signal transmission circuit is formed by a transmitter, a receiver, a transmission line therebetween, and a bias circuit. The transmitter receives an input...
Semiconductor device, method and apparatus for testing same, and method
for manufacturing semiconductor device
The semiconductor device according to an aspect of the present invention is a semiconductor device having an electrode pad to be contacted a test probe for...
Plasma processing apparatus, semiconductor manufacturing apparatus and
electrostatic chucking unit used thereof
A wiring member which becomes substantially symmetrical on the plane of an electrostatic chuck unit is connected to the tip end of an RF introduction rod between...
Remote plasma apparatus for processing substrate with two types of gases
In a plasma CVD apparatus, a plate formed with a plurality of perforated holes is arranged to separate a plasma generation region and a processing region. The...
Portable terminal equipment and communication method therefor
This invention provides a folding type or flip type portable terminal equipment including a storage unit for storing one or a plurality of telephone numbers, a...
Mobile communication system, radio base station apparatus, mobile
terminal, and control method therefor
A control method for a mobile communication system. The method includes receiving data destined for a mobile terminal from a host apparatus; storing the data in...
Cell phone antenna switching circuit and antenna switching method
A cell phone antenna switching circuit includes a plurality of built-in antennas which perform radio transmission/reception. This circuit includes reception...
Automatic gain control device, automatic gain control method, control
program for automatic gain control...
An automatic gain control device includes an amplifier for a reception signal, a signal processing unit, a memory, and a control unit. The amplifier can set a...
Method and apparatus for extracting feature vector used for face
recognition and retrieval
A method and apparatus for extracting feature vectors for face recognition and retrieval are provided. An entire Fourier feature vector is generated for an...
Stereoscopic image encoding and decoding device multiplexing high
resolution added images
A left-eye image signal and a right-eye image signal are supplied to a pixel structure converter of a stereoscopic image pre-processor, and multiplexed, so to...
Power saving method in wireless LAN system for permitting terminal station
to promptly transition to doze state...
A power saving method in a wireless LAN system is disclosed for permitting a terminal station to promptly transition to a doze state irrespective of the presence...
Multiple access communication system and data transceiver
A multiple access communications system achieving an improvement in transmission efficiency is disclosed. A slave station receives data from variable speed data...
Optical disc and method for reproducing the same
The present invention provides a technique for improving reliability of reading header information. The optical disk is composed of a recording track. The...
Light exposure apparatus and method of light exposure using immersion
lithography with saturated cyclic...
In view of stably forming resist patterns with an excellent resolution, a light exposure apparatus 100 comprises a light source 101 irradiating a mask 102 with...
Reflection type liquid crystal display device
In a reflection type liquid crystal display device having a front light and a reflection type liquid crystal panel including a reflection electrode of uneven...
Monitoring device, transceiver system and its control method
A transmitter module has a sensor module that includes a plurality of sensors and operates intermittently, a signal processor module that permits transmission of...
Oscillation apparatus capable of compensating for fluctuation of
In an oscillation apparatus formed by a ring oscillator including an odd number of inverters (more than two inverters) connected in a ring, each of the inverters...
Semiconductor device and manufacturing method thereof
An object of the present invention is to provide a semiconductor device which comprises a barrier film having a high etching selection ratio of the interlayer...
Integrated circuit including a temperature monitor element and thermal
In a semiconductor integrated circuit device, a sheet-like temperature monitor member of vanadium oxide is provided, whose one end is connected to one via while...
Radio communication system
It is to provide a radio communication system capable of performing highly reliable reading/writing communication even though the RFID tags face in the random...
High-frequency amplification circuit
A resonance circuit comprising, for example, an inductor and a plurality of capacitors is provided as a load of a transistor. The capacitors are changed over by...
Method and apparatus for adjusting loss caused by optical fiber curvature,
and optical transmission system...
The present invention achieves highly reliable optical-fiber loss adjustment at low cost, with easy work. An optical fiber is inserted from an optical fiber...
Multiple resonator and variable-wavelength light source using the same
An external resonator which includes a multiple resonator with parameters which allow stable wavelength control, and a variable-wavelength light source includes...
Liquid crystal display device and method of fabricating the same
There is provided a liquid crystal display device including a display screen comprised of a plurality of areas in each of which a pixel pattern is formed,...
Thin-film transistor array substrate and liquid crystal display device
A TFT array substrate is provided with an auxiliary capacitance that has a plurality of lower electrodes disposed for each pixel in the row and column directions...
Semiconductor device and method of fabricating the same
A semiconductor device having interconnects is reduced in leakage current between the interconnects and improved in the TDDB characteristic. It includes an...
Efficient modeling of embedded memories in bounded memory checking
A computer-implemented method for augmenting SAT-based BMC to handle embedded memory designs without explicitly modeling memory bits. As is known, verifying...
Semiconductor device test method using an evaluation LSI
An evaluation LSI includes a noise generation circuit generating a controlled amount of noise controlled from outside of the LSI, and a delay measurement circuit...
Mobile wireless terminal
There is provided a mobile wireless terminal permitting the distance between the antenna and the human head can be kept relatively constant even if the angle...
Phase comparator having a flip-flop circuit and a logic circuit
A phase comparator has a flip-flop circuit and a logic circuit. The flip-flop circuit compares an input clock signal with a leading edge and a trailing edge of...
Iterative soft interference cancellation and filtering for spectrally
efficient high-speed transmission in MIMO...
Canceling interference in a multi-input multi-output (MIMO) system is accomplished with a plurality of interference cancellers. Each interference canceller...
Packet transfer method and apparatus
A packet transfer apparatus includes a packet classifying section and scheduler. The packet classifying section identifies a connection used for transfer of data...
Packet protection method and transmission device in ring network, and
Two transmission devices connected to a link in which a failure occurs turn back a ring. Other transmission device changes a transmission ring of an NNI packet...
Non-volatile memory device and inspection method for non-volatile memory
A non-volatile memory device comprises a plurality of bit lines extending in a first direction, a plurality of word lines extending in a second direction...
Class D amplifier
The class D amplifier comprises a voltage control current source circuit for current-converting the voice voltage signal Vsin of the input into two signals with...
Magnetic field measuring apparatus capable of measuring at high spatial
A condenser lens is incorporated into the end portion of a magnetic field measuring apparatus including a magneto-optical crystal. Alternatively, the end portion...
High dielectric constant MOSFET device
A semiconductor device has an MIS (metal-insulating film-semiconductor) structure, and a film mainly containing Al, O, and N atoms is used on a semiconductor....
Method of analyzing peptide for determining C-terminal amino acid sequence
The present invention provides a method for analyzing the C-terminal amino acid sequence of a peptide by applying reaction technique for successively releasing...
Method for manufacturing hybrid carbon nanotube
The invention of present application relates to a method for enabling a hybrid carbon nanotube having an arbitrary composition ratio to be readily manufactured,...
A liquid-cooled projector incorporating cooling a component that to be cooled by a cooling liquid, and moreover, can constantly maintain the temperature of the...
Sheet convey apparatus
A sheet convey apparatus includes a main feed roller, retard roller, torque limiter, retard roller guide, a pair of bearings, and a spring. The main feed roller...