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Method for distributing keys for encrypted data transmission in a
preferably wireless sensor network
In a method for distributing keys for encrypted data transmission in a sensor network, nodes store a subset of keys from a set of keys. A sink node triggers the...
Key management system and multicast delivery system using the same
In a multicast delivery system, A delivery server enciphers delivery data by using a current use cipher key to generate enciphered data and transmits a multicast...
Method and apparatus for setting network using DHCP server or client
A PC activates a software program for detecting when a network terminal device is connected to a network, based on the control action of the user. When the...
Prevention of unnecessary hand-over caused by fading
A hand-over control method is disclosed to control the change of connections between a radio communication terminal and a plurality of radio communication base...
Sound reproducing system in portable information terminal and method
A portable information terminal having high adaptability and high convenience with respect to operating environment, and by which comfortable and high-quality...
Timing analysis apparatus and method of timing analysis
A timing analysis apparatus in an integrated logical circuit according to the present invention includes a jitter information generation unit for generating...
Tunable resonator, tunable light source using the same, and method for
tuning wavelength of multiple resonator
The object is to provide a highly reliable, high-performance, and low-price tunable light source and the like. The present invention comprises: a multiple...
Network monitor system, data amount counting method and program for use in
In a network monitor system having a plurality of line cards, each of the line cards monitors a communication data amount in consideration of a group or a finer...
Optical access network system and multicast communication method thereof
An OLT (Optical Line Terminal) having a multicast control unit, which controls connections dedicated for the multicast services, and a plurality of PON (Passive...
Multiplex switching is disclosed for readily multiplexing and switching packet data without causing a delay. Bit widths of packets supplied from a plurality of...
Method of manufacturing a wiring substrate and semiconductor device
A wiring substrate includes a base insulating film, a first interconnection formed on a top surface side of the base insulating film, a via conductor provided in...
Manufacturing method of a liquid crystal display panel, and a liquid
crystal dripping device used therefor
A manufacturing method of the liquid crystal display panel and a liquid crystal dripping device for the liquid crystal dripping and panel pasting method, by...
LCD device including a reflective film having a convex and concave pattern
A reflective LCD device includes a reflective film having a convex and concave pattern, wherein the convex and concave pattern includes a plurality of pattern...
Sight controllable display device and terminal having the same
To provide a sight controllable display device that is capable of switching a regular display and a concealed display easily. A display panel and a modulator are...
Method of driving a color liquid crystal display and driver circuit for
driving the display as well as portable...
The present invention provides a method and a circuit for driving a color liquid crystal display in a normal driving mode and a power saving mode, wherein in the...
Offset canceling circuit and offset canceling method
An offset canceling circuit includes a differential amplifier circuit configured to output a first output signal in response to a differential input signal; a...
Clock generation circuit
In a second system that generates a clock signal that is synchronized with a first system, a control voltage value that controls the second oscillator such that...
Semiconductor output circuit
To improve a depletion transistor provided between a control terminal of an output transistor and an output terminal coupled to a load not to enter a conductive...
Disclosed is a low noise, non-isolated DC-DC converter for providing a non-inverted (i.e., the same polarity as an input voltage) output voltage of any desired...
Electric discharge lamp
The present invention includes an electrode having a filament with the end of each lead wire connected to each end of the filament, a cylindrical glass tube in...
A piezo-electric actuator comprising: piezo-electric element 1a having piezo-electric body 3a which is provided with at least two opposing surfaces, wherein the...
Semiconductor device and manufacturing method therefor
The semiconductor device according to an aspect of the invention includes: an internal circuit area having an internal circuit; an I/O circuit area positioned...
Method for manufacturing semiconductor package capable of potting
thermosetting resin while being heated
In an apparatus for manufacturing a semiconductor package including a semiconductor chip electronically and mechanically mounted on a tape-automated bonding...
Semiconductor device with solder balls having high reliability
A semiconductor device includes a substrate, a metal layer, an alloy layer and a Sn--Ag--Cu-based solder ball. The metal layer is configured to be formed on the...
Wiring structure and method for manufacturing the same
There are provided with a wiring structure and a method for manufacturing the same wherein in a wiring structure of multi-layered wiring in which a metal wiring...
A backside imaging device includes a bump that is disposed overlapping with a sensor array region or a photodiode in a planar view. By this configuration, the...
Semiconductor device and method for manufacturing same
A semiconductor device comprising a first semiconductor region and a second semiconductor region, (a) wherein a field effect transistor is comprised of the...
Semiconductor wafer, semiconductor chip, and semiconductor chip inspection
Inspection wire is formed along at least a portion of the outer periphery of, and preferably along the entire perimeter of, a chip area enclosed by scribe areas,...
A flat secondary battery having a fusion-bonded sealing type laminate film as an armored body tends to be inferior in sealing reliability to a flat secondary...
Fuel cell, fuel cell electrode and method for fabricating the same
An adhesion layer containing a second solid polymer electrolyte is disposed between a solid polymer electrolyte membrane and a fuel electrode and/or an oxidant...
Screw attachment, fastening assembly having screw attachment, and process
of releasing fastening assembly
A screw attachment (10, 10', 10'') disposed around a fastening piece (17) secured to a main fastening body (25a), the screw attachment sandwiched between a head...
Method and apparatus for designing semiconductor integrated device using
noise current and impedance...
In a method for designing a semiconductor integrated device, there are prepared a first power supply cell having a first decoupling capacitance and a second...
Interleave parameter processing method
A calculation is facilitated for y[i]=q[i].times.mod(p-1) which is required as an intermediate value when calculating intra-row permutation pattern U[i][j],...
Semiconductor integrated circuit device and method of testing same
Disclosed is a circuit in which for conducting the scan path test, test clock terminals are provided in a number smaller than that of user clock domains, and a...
Disk array system, host interface unit, control method for disk array
system, and computer program product for...
A disk array system includes a dedicated cache memory, a first host computer exclusively using the dedicated cache memory, data for a dedicated disk being...
Access control device and access control method
An access control device controls access to a first device and a second device. The first device is connected with a first bus conforming to a first standard and...
Storage system and method for data replication with reduced redundant data
As in a normal storage system, an application run on a host issues a data write command or a data read command. A monitor unit monitors the host and a command...
Ensemble learning system and method
A learning system that can predict a desired result, and can have stable and improved prediction precision is presented. The learning system includes a learning...
Voice detecting method and apparatus using a long-time average of the time
variation of speech features, and...
A first filter (2061 in FIG. 1) calculates a long-time average of first change quantities based on a difference between a line spectral frequency of an input...
Parts production management system and parts production management method
A parts production management system includes: a first table in which a line cycle number representing a line cycle that is a process unit for processing a group...
Device for creating image feature from image having any shape
An apparatus is disclosed for generating image feature data from an image having an arbitrary shape for use in image search. The apparatus includes rectangular...
Spread spectrum clock generating apparatus
A spread spectrum clock generator capable of generating a smooth spread spectrum clock while suppressing an increase in the size of the circuitry includes a...
Wavelength variable laser
The present invention provides a directly modulatable wavelength variable laser that enables long distance and large volume communication with a simple and...
Packet scheduling method and apparatus for downlink transmission to mobile
In a packet repeater of a wireless base station, a packet analyzer receives uplink packets from mobile terminals and stores data indicating quality of each...
Host device, device unit, communication system, and data
A host device according to an embodiment of the present invention sends to a plurality of device units a specific token packet including address information of a...
User throughput geographical distribution estimating system and user
throughput geographical distribution...
A system is provided for estimating the geographical distribution of user throughput in a cellular system, including user terminals and a base station for...
Method of testing semiconductor apparatus
A method of testing a semiconductor apparatus performs a function test of reading data from memory cells in SRAM by applying a potential lower than a GND...
Video signal processing apparatus and video signal processing method
To provide a video signal processing apparatus capable of generating video signals that enable displaying and recording of a high-quality picture. A video signal...
Image processing apparatus and image processing method
The image processing apparatus includes an RGB-YUV converter for converting a color image into a luminance signal and a color difference signal and a YUV false...
Driving circuit, display device, and driving method for the display device
A driving circuit according to an embodiment of the invention includes: a switching unit for sequentially switching between a first operation of applying a...