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An interface circuit includes a variable delay circuit and a delay adjustment circuit to automatically detect a data valid window of a DQ signal and adjust an...
Radio communications system and method for radio communications
A radio communications system that eliminates limitation on usage forms of radio communication and enables users to implement radio communication easily. CUG...
Content delivery system
In a content delivery system, a gatekeeping apparatus is connected to a network. Prior to the transmission of a request message to a content server, a user...
Cryptographic communication system
In a cryptographic communication system, a prover is connected through a channel to a verifier. Elements a, b, c, d of a finite group are used as a public key...
Optical access network apparatus and data signal sending method therefor
The present invention realizes an Optical Line Terminal (OLT) in an optical access network and a data signal sending method for the optical access network in...
Method and apparatus for cross layer resource allocation for wireless
A method and apparatus is disclosed whereby the scheduling of network transmissions in a wireless backhaul network is determined using a cross-layer optimization...
Wireless LAN system, communication terminal, LAN control apparatus and QoS
Disclosed is a wireless LAN (Local Area Network) system which overcomes a troublesome operation and process of setting QoS needed for each LAN at the time of...
Liquid-crystal display device comprising a depression formed on inner
surface of a substrate for receiving...
A LCD device prevents image quality degradation caused by the gap non-uniformity in the display region with a simple measure. A TFT substrate and an opposite...
Portable terminal device and method and program for varying light
illuminance used therein
An image control processing section sends a zoom control information of a camera section, and carries out image processing. A camera control section controls the...
Method for supporting medical treatment system and medical treatment
A medical treatment support system has operations A to G on a display screen to easily handle respective data on a sheet. Operation A facilitates the browsing of...
Clock distribution circuit
A clock distribution circuit for distributing an input clock according to an embodiment of the present invention includes: a first clock buffer receiving the...
Interface circuit and memory controller
A memory controller includes a variable delay circuit for phase-shifting a signal and an interface circuit suited for performing a test of a controller so that...
Semiconductor device and method for manufacturing the same
A semiconductor device includes a semiconductor substrate, a copper-containing metal interconnect over the semiconductor substrate, and a copper-containing...
Semiconductor device and method of manufacturing the same
The method of manufacturing a semiconductor device according to the present invention includes: forming an interconnect trench in an insulating film formed on a...
Wiring board and semiconductor package using the same
A wiring board has a base insulating film. The base insulating film has a thickness of 20 to 100 .mu.m and is made of a heat-resistant resin which has a...
Power source device and charge controlling method to be used in same
A power source device is provided which is capable of charging a secondary cell in a stable manner even in an environment in which power generated by a solar...
Method for manufacturing semiconductor device or semiconductor wafer using
a chucking unit
A method for manufacturing a semiconductor device or a semiconductor wafer using a chucking unit is provided to remove a slurry that adheres to the back surface...
Optical information-recording media and optical
Optical information-recording media comprise a first transparent substrate through which a laser beam enters, a first information-recording layer deposited on...
Transporter/sorter and transport box
A transporter/sorter and a transport box therefore are disclosed. The transporter/sorter 1 comprises a guide rail 50 having straight portions and curved portions...
Behavioral synthesizer system, operation synthesizing method and program
A behavioral synthesis system which synthesizes behavior without inline expansion of a callee function, even one which has a pointer as an argument during the...
Microprocessor with a register selectively storing unaligned load
instructions and control method thereof
A load/store unit includes a Top register for storing a value retained before loading to a load destination register and a saved register capable of storing data...
USB hub, USB-compliant apparatus, and communication system
A USB hub according to an embodiment of the invention includes: a USB upstream port unit for inputting/outputting data in accordance with a USB protocol; a...
Life prediction and monitoring of components
A counting unit counts a current supplying duration for a component which determines a life of a device. A prediction unit predicts the device life based on an...
Call device, call control system, call management system, and call control
When a controller receives an incoming call signal, the controller supplies melody information stored in a melody information storage to a sound source. The...
Adaptive antenna reception method and device
An adaptive antenna receiver whose follow-up performance is improved with respect to the angle change of the arrival direction of a desired signal. An antenna...
Apparatus and method for transmission power balance adjustment in a mobile
A transmission power control system can establish synchronization by matching adjustment start timings while repeating adjustment periods even when start timings...
Method of measuring receive power of CDMA mobile communication system, and
CDMA mobile communication system
The receive power of uplink signals in a CDMA mobile communication system is measured by prohibiting a mobile station from transmitting an uplink signal...
Signal processing unit
A signal processing unit of the present invention includes: input terminal (21) to which an input signal is input; high-pass filter (23) for cutting off the DC...
Transmitter apparatus, receiver apparatus, and radio communication system
An SINR estimating unit of a receiver apparatus measures first and second demodulated signals to calculate SINR (ratio of signal power to sum of interference...
Tunable light source apparatus, and adjustment method and control program
of the same
The present invention aims to provide a tuning light source apparatus including a multiple-optical resonator, where the resonance frequencies of the respective...
An optical module outputting transmitted optical signals from a light-emitting element to an optical fiber and guiding received optical signals arriving from the...
Recognition of audio device in portable terminal
A portable terminal includes a jack interface for connecting an audio device thereto, a converter for converting an impedance of each of the poles, that...
Radio access network system and a method of fault analysis for the system
The present invention aims to provide the radio access network system which can analyze a fault during call processing by a mobile terminal. A control equipment...
Communication system and transmitter-receiver for use therewith
To achieve the optimal power control of a system in an MIMO communication method.When decoding in accordance with a receiving algorithm of the MIMO communication...
Optical head device and optical information recording or reproducing
A diffractive optical element for dividing a light emitted from a light source into a main beam and at least one sub-beam, an objective lens for focusing the...
LCD device and method including a plastic substrate with metal layer
containing copper surrounded by barrier...
An active matrix substrate or TFT substrate is provided with a lower layer wiring with a groove wiring structure covering surroundings of a copper layer with a...
Liquid crystal display device and method for driving the same
A liquid crystal display device of the invention has data drive circuits provided along both of two opposite sides of a rectangular display region, and gate...
Power supply circuit and electronic device equipped with same
A power supply circuit is provided which is capable of preventing a drop in an output voltage of the power supply circuit used as a DC/DC converter made up of...
Signal conversion circuit
A signal conversion circuit for converting an inputted differential signal into a single-ended signal comprises a differential amplifier circuit for amplifying...
Semiconductor integrated circuit for reducing number of contact pads to be
probed in probe test
A semiconductor chip is composed of first and second contact pads; a first latch circuit connected with the first contact pad; a second latch circuit connected...
Semiconductor inspection apparatus
A semiconductor inspection apparatus includes a force probe applying voltage to a semiconductor device, and a sense probe detecting voltage of the semiconductor...
Drive circuit for piezoelectric pump and cooling system that uses this
A piezoelectric element of the piezoelectric pump is driven by the output signal of an amplifier that takes as input a signal that is generated by a sine wave...
A semiconductor chip 100 includes a semiconductor substrate (not shown), and a stacked film 150 formed over the semiconductor substrate, which includes...
Solid state imaging device
A solid-state imaging device includes a semiconductor substrate, photodetector elements, and blocking layers. The solid-state imaging device receives light on...
Semiconductor device having trench-type gate and its manufacturing method
capable of simplifying manufacturing...
In a semiconductor device, a gate silicon dioxide layer is formed within a trench of a semiconductor wafer. A first gate electrode is formed on a sidewall of the...
Manufacturing method of semiconductor device
A manufacturing method of a semiconductor device including a step of forming a via hole in an insulation layer including an organic low dielectric film, such as...
Semiconductor device manufacturing apparatus and semiconductor device
A semiconductor device manufacturing apparatus which uses a thermal CVD reaction to deposit a film onto a substrate has a ring with an electrode terminal that...