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Method and system for managing network traffic
A method for managing network traffic includes provisioning an internet protocol (IP) network for communicating traffic. The IP network comprises a plurality of...
Optical wavelength controlling method and a system thereof
An optical wavelength controlling method and a system thereof for an optical wavelength division multiplexing transmission system, wherein a plurality of...
Optical transmission apparatus
An optical transmission apparatus includes an optical add drop multiplexer (OADM) that adds/drops an optical signal to/from a transmission path. The optical...
Electronic device, photographing control method, and recording medium
An electronic device, such as mobile terminal devices, with a photographing function, and in the case where a photographing target is a person, enhances its...
Method and apparatus for dynamic polarization control
A dynamic polarization controller ("DPC") that and method of dynamic polarization control useful in optical networks is disclosed. The DPC of the present...
Synchronizing apparatus and synchronizing method
A synchronizing apparatus comprises a normal lock synchronization detecting unit for detecting synchronization by detecting from demodulated data a...
A radar apparatus includes a transmission section, a delay device, a reception section, a switch control section, a switching frequency detection section, and a...
To provide a communications apparatus for preventing degradation in data quality, which is caused by the missing of reception data at the time of a data...
System for supporting communications among ATM devices, device for
supporting data transmission, method for...
A first communication device receives an ATM cell bound for a second ATM device from a first ATM device via an ATM interface, and then the first communication...
Frame forwarding apparatus
A frame forwarding apparatus comprises a receiving unit receiving a frame including a source address, a destination address and a VWAN identifier; a converting...
Transmission network system
In a transmission network system in which a path is set between a transmission node and a receiving node and which transmits a transmission signal between the...
Inheritance control method of network control data between transmission
apparatuses and transmission apparatus...
To provide a transmission apparatus capable of setting the same control data to the entire child transmission apparatuses instantaneously at a time, thereby...
Interface device and interface device control method
An interface device and interface device control method that switches a transmission rate to enable high-speed transmission when necessary. In devices (nodes)...
Transmission device and redundant configuration between transmission
device and layer 2 switch
A transmission device is connected to a layer 2 switch through a transmission path at one side, and to a relay transmission path at the other side. The...
Node redundancy method, interface card, interface device, node device, and
packet ring network system
A network includes a plurality of redundant nodes and ordinary nodes. A first redundant node from among the redundant nodes sets a common address and setting...
A power supply to be connected in parallel to one or more other power supplies so as to share with the other power supplies in supplying load current to a load...
Communication apparatus, information processing device, and external cable
A communication apparatus which occupies small space and yet can be connected with numerous external cables and which permits a cooling arrangement to be...
A removable unit is designed to enjoy a change of attitude relative to an apparatus body. The apparatus body is received on the surface of a desk at first rubber...
Electronic apparatus and assembly
An electronic apparatus includes: an enclosure having an opening; and an assembly fixed inside the enclosure and extending through the opening to the outside of...
Variable capacitor and method of making the same
A capacitor manufacturing method provides variable capacitors whose capacitances remain stable under the influence of temperature change. Such a variable...
Terminal equipment for merging imaging data and text data, and
transmitting and receiving the same on-line
Terminal equipment for electronically making patent and utility patent applications. The terminal equipment converts various formats of text data generated by an...
Liquid crystal display device
A voltage corresponding to desired image data is applied to a ferroelectric liquid crystal having a spontaneous polarization at a predetermined cycle to rewrite...
An antenna apparatus includes an antenna case housing an antenna; a connector to be connected to a device which connector is electrically connected to the...
Output buffer circuit
An output buffer circuit that suppresses the generation of an erroneous operation signal during power activation includes a first level converter generating a...
Conversion circuit for converting differential signal into signal-phase
A conversion circuit for converting a differential signal into a single-phase signal 1 has a source-follower amplifier 10 and a source-grounded amplifier 20. The...
Power supply device
A switching operation is performed on a switching element of a power-factor improving unit that includes a reactor. An output voltage of the power-factor...
Semiconductor device having an electrode pad, a bump provided above the
electrode pad and a bump foundation...
When a nickel (Ni) layer is formed on an electrode pad made of aluminum-silicon (Al--Si) by an electroless plating method, prior to the precipitation of zinc...
Semiconductor device and method of manufacturing the same
According to the present invention, provided is a semiconductor device including: a p-type silicon substrate; a shallow n-well formed in the silicon substrate; a...
Semiconductor device with current mirror circuit having two transistors of
A semiconductor device includes a current-mirror circuit including a first ring-shape gate, a second ring-shape gate, a first diffusion layer formed around the...
Amidite for nucleic acid synthesis and nucleic acid synthesizing method
To provide an amidite for nucleic acid synthesis, which enables a protective group therein to be removed under moderate conditions and can be practically used,...
Method for manufacturing semiconductor device and method for designing
A method for designing a photomask pattern is provided. First, all line ends of object patterns are determined with reference to layout data. Then, object...
Method for forming resist pattern and method for manufacturing a
The resist material contains a photo-acid generator having an absorption peak to exposure light having a wavelength of less than 300 nm, and a second photo-acid...
Heat pipe type cooler
To realize a integrally constructed cooler of the heat pipe type which ensures the achievement of sufficient cooling capacity and the realization of a simple,...
Method of manufacturing an acoustic wave device
A method of manufacturing an acoustic wave device includes: forming a conductive pattern on a wafer made of a piezoelectric substrate having an acoustic wave...
Method and apparatus for encrypting data to be secured and
inputting/outputting the same
A technology is provided to improve tamper resistance in encrypting data to be secured and inputting/outputting the data between a recording device and a host...
Data alteration detecting method, data alteration detecting device and
data alteration detecting program
An inter-record alteration detection code verification unit 36 calculates an inter-record alteration detection code by merging a record alteration detection code...
Method and apparatus for relay control and computer product
A relay control apparatus is arranged between clients and a CoD system. The relay control apparatus accepts process requests from the clients and stores the...
Method and device for reserving transmission band on internet
A method of reserving a transmission band of a transmission line for transmitting data via a plurality of Internet service providers on the Internet between...
Arithmetic operation unit, information processing apparatus and arithmetic
An arithmetic operation unit, which generates information representing whether or not an arithmetic operation result has been shifted when the arithmetic...
Method of generating simulation model while circuit information is omitted
For the purpose of providing a simulation model allowing gate simulation but is capable of keeping the circuit information on the functional block (IP) secret, a...
Driving support apparatus and driving support method
A driving support apparatus supports a driver in driving a vehicle. The driving support apparatus determines a state of the vehicle by collecting information...
Radio communication apparatus or mobile station
To provide a radio communication apparatus and a mobile station sensitive to change in the radio environment. A mobile station corresponding to the HSDPA and...
Optical reception circuit and identification level controlling method for
An optical reception circuit and an identification level controlling method for an optical reception circuit are disclosed wherein reception sensitivity...
In an optical module in which a transmitter and a receiver that respectively outputs and receives optical signals are stored in a casing, the transmitter and the...
Differential quadrature phase-shift modulator and method for setting
driving voltage thereof
The present invention is directed toward a method for setting a driving voltage of a differential quadrature phase-shift modulator, this method making signal...
Wavelength division multiplexing apparatus
A transponder in a wavelength division multiplexing apparatus detects a wavelength of a leak light (received light) having one of plural wavelengths multiplexed...
Optical transmission apparatus having OADM function
An optical transmission apparatus has a first wavelength selective switch (WSS) for route switching, provided with respect to each route, to selectively output...