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Distortion compensation apparatus and method
A distortion compensation apparatus having a circuit configured to perform power amplification of a transmission signal; and a circuit configured to feedback...
Optical device, optical modulation method, and optical transmitter
An optical modulation device including waveform shapers that waveform-shape input data signals in synchronism with a rising or falling timing based on...
Polarized-wave-multiplexing optical transmitter and control method of
polarized-wave-multiplexed optical signal
A polarized-wave-multiplexing optical transmitter including: an optical combiner generating a polarized-wave-multiplexed optical signal by ...
Optical modulation apparatus and optical modulation method
An optical modulation apparatus includes a first modulator, a second modulator, a multiplexer, a detector and an adjustor. The first modulator modulates light...
Wavelength conversion apparatus, wavelength conversion method, and optical
add/drop multiplexer using the same
There is provides a wavelength conversion apparatus for converting a wavelength of input signal light and for outputting output signal light of the converted...
Apparatus and method for adjusting optical signals
An optical signal adjustment apparatus detects an optical signal intensity level of signal light components with multiple different wavelengths for each of the...
System and method for transmitting optical markers in a passive optical
In accordance with the teachings of the present invention, a system and method for transmitting optical markers in a passive optical network (PON) system is...
Apparatus for supporting designing of optical network, process for
designing optical network, and...
In an apparatus for supporting designing of an optical network including a plurality of nodes and links which connect the plurality of nodes: a storage stores...
Biometric authentication device, biometric authentication method and
computer program for biometric...
A biometric authentication device including: a biometric information acquiring unit which generates a biometric input image representing user's biometric input...
Biometric authentication device, biometric authentication method, and
computer program for biometric authentication
A biometric authentication device includes: a biometric information acquisition unit which generates a first input biometric image representing the biometric...
Combining audio signals based on ranges of phase difference
A signal processing unit is provided. The signal processing unit includes an orthogonal transforming part including at least two sound input parts receiving...
Radio communication system, terminal apparatus, base station apparatus,
and radio communication method for...
A radio communication system including: a base station apparatus; and a terminal apparatus, wherein the base station apparatus and terminal apparatus perform...
Wireless communication system and wireless communication method
On the transmitting side, a decision is made as to whether to add pilot symbols which are separate from basic pilot symbols, to frames, based on the propagation...
Interframe prediction processor with address management mechanism for
motion vector storage
A device for processing variable-size macroblocks to achieve high-speed interframe prediction. A predictor calculator determines a motion vector predictor (MVP)...
Despreading circuit and electronic apparatus
For channelization codes CC#1 to CC#15, the despreading circuit comprises an FHT circuit with a spreading factor of 16 which outputs the results of despreading...
Semiconductor optical integrated device and method for fabricating the
A semiconductor optical integrated device includes a first semiconductor optical device formed over a (001) plane of a substrate and a second semiconductor...
Radio apparatus, radio communication system, and radio information
MAC entity produces a single PDU in such a way that two or more SDU's, which are received from RLC entity via logical channels, are integrated, and header H and...
MAC address table collection in distributed switching systems
In accordance with embodiments of the present disclosure, a switch may include a processor and a plurality of line cards, each line card including a table of...
Relay apparatus for communication frames and relay method
A layer 2 switch (L2SW) includes (i) a learned information management unit for recording learned information that associates a receiving port, an address of...
Out-of-group interference reduction in wireless communication systems
In a MIMO wireless communication system, a plurality of base stations (BSs) are provided each of which can transmit signals to, and receive signals transmitted...
Radio communication apparatus
A radio communication apparatus that includes a receiver that accomplishes intermittent reception of information in a first mode, the information indicating a...
Mobile terminal, base station device and mobile communication system
A mobile communication system is provided with a base station device and a mobile terminal, which mutually perform radio communication. The system is also...
Communication apparatus and protocol processing method
A disclosed communication apparatus includes a protocol processing unit configured to send and receive link information on a link in a network having a...
Electronic apparatus and cooling module mounted in that electronic
An electronic apparatus includes a fan, a circuit board which is positioned downstream in an airflow to which the fan generates, at least one processer mounted...
Optical amplifier, control circuit, and optical amplifier control method
An optical amplifier includes a semiconductor optical amplifier, a power monitor configured to monitor an optical power of out-of-signal-band noise output from...
Raman amplifier and raman amplifier adjustment method
A pumping unit supplies pumping light to a fiber connecting medium; a light monitoring unit detects light power of multiple-wavelength light; and a control unit...
Driving method of liquid crystal display device and liquid crystal display
In a liquid crystal display device that uses a liquid crystal material having spontaneous polarization and is actively driven by a TFT, a voltage corresponding...
Lock system, unlock device, apparatus, portable terminal device, unlock
method, unlock program, and circuit device
A lock system that unlocks a lock with an unlock signal, prevents malfunction of locking or unlocking, and reduces power consumption of a receiving unit side...
Signal converter and high-frequency circuit module
A signal converter includes: a dielectric substrate; a first conductor layer disposed on one of opposite sides of the dielectric substrate, while including an...
There is provided a clock device including: a clock circuit to generate a plurality of clock signals, the clock circuit including a reset part for resetting...
Semiconductor device and manufacturing method of semiconductor device
A semiconductor device includes: a substrate; a semiconductor element installed on the substrate so that a surface formed with an electrode is directed to the...
A semiconductor device includes, a gate insulating film, a gate electrode, a source/drain region, and a Si mixed crystal layer in the source/drain region. The...
Method for manufacturing semiconductor device, and semiconductor substrate
A method for manufacturing a semiconductor device includes forming at least one stripe-shaped protection film over a multilayer film in a scribe region of a...
Repair method and repair jig
A repair method for detaching a part from a board in an electronic device module having at least the board and the part bonded with the board by a press fitting...
Image reading apparatus, authentication method, evaluation system, method,
and computer program product
A TPM chip installed in an image reading apparatus records an operation log, and encrypts recorded operation log with a secret key. The image reading apparatus...
Clock jitter suppression method and computer-readable storage medium
A value held in storage elements coupled to a clock buffer and variably set with a threshold voltage is read out in a state where an analyzing target circuit...
Control method of information processing device and information processing
A transmitting side device (10) and a receiving side device (20) are connected to each other via a bus (30) comprising TAG bits (31), data bits (32) and error...
A control device is connected to a processor, a memory module, and a specification information storage memory for storing specification information indicating...
Access control method and computer system
An access control method for a computer system in which a plurality of clusters share a storage unit, includes predefining an access instruction with exclusive...
Providing ring protection for access networks
According to one embodiment, an apparatus comprises one or more hub interfaces and one or more processors. A hub interface is coupled to an access network...
Server management program, server management method, and server management
A server management program, a server management method, and a server management apparatus that allows an environment for providing a service corresponding to a...
A cluster arrangement having a first network, at least two data processing systems which each form an application node and which each have an operating system,...
Route curve generation system, method and storage medium
Control points needed to generate a curve becoming the route of a deformable linear structure from respective pieces of passing point information defined at two...
Optical noise index calculation method, optical noise index calculation
apparatus, and optical sampling...
A method is for calculating an optical noise index of a signal light extraction apparatus that extracts signal light in a polarization plane by inputting signal...
Transmission power control parameter calculation method and device
A cubic metric calculator performs a calculation of a time average of power of the amplitude of a transmission signal when a cubic metric value is calculated as...
Electronic device including a waterproof sheet member
An electronic device includes an outer case having a sound hole, an acoustic unit included in the outer case in a position corresponding to a position of the...
There is provided a mobile apparatus including: an input module including operating keys; a storage module configured to store a correspondence between a...
Gateway device, method for controlling radio transmission, and radio
A femto GW provides a network connection to an MS that is radio-accommodated in a femto BS. Upon reception of a position registration confirmation for the MS,...
Delay processing apparatus, signal amplification apparatus, opto-electric
conversion apparatus, analog-digital...
A delay device that provides a delay amount to at least one of the in-phase signal and the quadrature signal, and a delay control section that controls the...
Optical communication apparatus, control apparatus, and method for
controlling optical output
An optical communication apparatus includes an optical signal transmitter for outputting an optical signal, an optical switch device for switching a route of...