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Communication terminal, communication state information providing system,
and method of providing communication...
The communication state information providing system comprises a cellular phone of an information provider, and an information providing device having an...
Radio base station apparatus and transmission power control method
A wireless base station unit (100) monitors total transmission power, which is a sum of transmission power to all of mobile station terminals (200-203) connected...
Wireless communication system and method of making wireless communication
There is provided a wireless communication system including a radio-signal base station, and a mobile wireless terminal operating in a power-saving mode in which...
Picture retrieving apparatus and method which converts orthogonal
transform coefficients into color histogram data
The picture retrieving apparatus includes: an orthogonal conversion coefficient memory 13 of a retrieval target picture storing an orthogonal conversion...
Transmission signal generating circuit and radio base station
communication apparatus using the same
A transmission signal generating circuit in a radio base station that employs spread processing circuits in order to output spread transmission signals. The...
A demultiplexer circuit includes a first serial-to-parallel conversion circuit for receiving input serial data and for performing serial-to-parallel conversion...
Data reproducing method using tilt adjustment and data reproducing
apparatus for the same
In a method of obtaining a reproduction signal with good quality from a data recording medium, two actual signals are generated as first and second signals...
Foldable handy electronic device
A foldable electronic device includes a first body having a display and a screen for protecting the display, and a second body having a plurality of operation...
Solid electrolytic capacitor which can easily be lowered in ESL
In a solid electrolytic capacitor including a device portion having a cathode conductor layer and an anode conductor layer arranged on a sheet-like or a...
Videophone video and audio transfer system, mobile communication terminal,
and videophone video and audio...
The invention provides a mobile communication terminal in which the operating time can be prolonged when the videophone function is used, and a videophone with...
Gain variable amplifier
A gain variable amplifier according to an embodiment of the present invention includes: an amplifier circuit amplifying an input signal with a variable gain; and...
Demodulator and phase compensation method thereof
The exemplary demodulator of the present invention can eliminate effectively a phase fluctuation which cannot be fully eliminated by a carrier recovery loop...
Semiconductor device and method of manufacturing the same
A semiconductor device according to an embodiment of the invention includes: at least a first power supply system and a second power supply system; an...
Semiconductor integrated circuit device
In a semiconductor integrated circuit device, a VDD wiring trace and a GND wiring trace are routed along an N-well and a P-well, respectively, within a...
Field effect transistor
A field effect transistor according to an embodiment of the invention includes: a semiconductor substrate; a channel layer of a first conductivity type formed on...
Electrostatic protection device
The electrostatic protection device comprises a semiconductor substrate of a first conductivity type, a well of a second conductivity type formed on the...
Method of designing layout of semiconductor integrated circuit and
apparatus for doing the same
A method of designing a layout of functional blocks and on-chip capacitors in a semiconductor integrated circuit, includes the steps of, in sequence, (a) placing...
System and method for calculating effective capacitance for timing
A method involves: accessing data representing an interconnect model, where the interconnect model includes a driving point node and is not a lumped capacitance...
Redundant path control apparatus and redundant path control method
A host computer is connected to logical disks via controllers, and accesses the logical disks. When maintenance work is performed on a first controller,...
Hierarchical lossless encoding/decoding method, hierarchical lossless
encoding method, hierarchical lossless...
A hierarchical lossless encoding and decoding technology for digital signals such as of music data, audio data, or the like. A lossless reproduced signal is made...
Portable cellular phone
A portable cellular phone is provided which is capable of minimizing a number of times of processes of reading user data from a user identity module (UIM) card...
Wireless base station and terminal using combo of different wireless
If a PHS wireless LAN combo is constituted in which a PHS base station and a wireless LAN base station are placed in the same case, their frequency bands are...
Radio communication system, base station apparatus, and downlink
transmission directing characteristic method...
A communication bit rate computing unit (24) computes the cumulative bit rate of downlink communication data, at which a base station communicates with a...
Optical device of waveguide type and its production method
Input ports (103a, 103b) formed from fundamental mode waveguides are provided at one end of a multimode waveguide (104). Further, an output port (105) formed...
Data encryption system and method
A data encryption system implemented by running on a cache-equipped computer an encryption program including transformation tables each of which contains a...
PLL circuit and phase control method of PLL circuit
A PLL circuit having a phase build-out function and a phase control method of the PLL circuit, in which a phase build-out detector monitors the input phase of a...
Nonvolatile semiconductor memory and method for setting replacement
information in nonvolatile semiconductor memory
A nonvolatile semiconductor memory includes a memory cell array and a replacement data cell array. The memory cell array includes a plurality of main cell arrays...
Magnetic random access memory with improved data reading method
An MRAM has a plurality of bit lines, a reference bit line, a plurality of memory cells and reference cells and a read section. The memory cells are provided...
Circuit, control system, IC, transmitting and receiving apparatus, control
method and program
The present invention provides a circuit, a control system, an IC, a transmitting and receiving apparatus, a control method, and a program which can reduce a...
An amplifier comprises a carrier amplifier which performs signal amplification at all times, a peak amplifier which operates only at a time when the high...
Non-volatile semiconductor memory device
To achieve a high-speed and reliable read operation. A unit cell is constituted by a select gate 3 provided in a first region and on a substrate 1 with an...
Operational amplifier including low DC gain wideband feed forward circuit
and high DC gain narrowband gain circuit
In an operational amplifier including first and second power supply terminals, first and second input terminals, and a first and second output terminals, a first...
Method for manufacturing flip-chip type semiconductor device featuring
nickel electrode pads, and plating...
In a method for manufacturing a semiconductor device, either a nickel layer or a nickel-based metal layer is formed on a semiconductor substrate by using a...
Projector with a device for measuring angle of inclination
A projector includes a projection device, a cross line positional information acquiring device for acquiring positional information of a cross line between a...
Projector screen with an image
Portable information terminal, and electronic information authenticating
system and method using same terminal
An electronic information authenticating system is provided which is capable of providing enhanced security of specified electronic information and its related...
Apparatus and method for generating transistor model
In a transistor model generating apparatus, a transistor region extracting section extracts a non-rectangular transistor region, in which a gate region is formed...
Circuit layout device, circuit layout method, and program for execution
A circuit layout device of a semiconductor integrated circuit having scan chains comprises a circuit layout section for performing the circuit layout of a...
Circuit test pattern edition apparatus, circuit test pattern editing
method, and signal-bearing medium...
An apparatus that edits a test pattern used in a circuit function test includes a generator that generates a regular pattern that includes a plurality of unit...
A radio network controller (200) that serves to reduce the amount of processes for searching for a common ID in a paging procedure when performing a paging...
Device and method for saving power during monitoring of a broadcast
channel using broadcast scheduling information
Scheduling information related to the broadcast service is received otherwise than via a channel to be employed by the broadcast service. A start time of the...
Selection of transmission alphabet sets for short message services
A receiver for text messages in a network includes a means to receive and demodulate a signal. A message type detector determines whether or not the message is a...
Application layer multicast system and intermediate node therefor
An application-layer multicast (ALM) system allowing high-speed ALM with precise routing control and simplified configuration. The routing control and data...
Low redundancy data RAM architecture for monolithic time-space switches
A non-blocking time and space switch is provided, based on specific memory method functions, called replica representatives, which shows a much lower data...
Auto-negotiation monitor system, repeating-transmission apparatus, and
auto-negotiation monitor method used...
Where each of switches opposed to each other detects optical-signal shutoff or optical-signal deterioration on the reception side of its port, the switch brings...
Non-volatile semiconductor memory device
A non-volatile semiconductor memory device includes a memory cell, and a reference cell including a same structure as the memory cell. A detecting circuit...
Reflection-type liquid crystal display and method for manufacturing the
A reflection-type liquid crystal display according to the invention includes two glass substrates, a transparent electrode provided on one glass substrate, an...
Data broadcasting system, and data broadcasting contents transmitting
system, receiver, and format converting...
A data broadcasting system is provided which is capable of achieving display intended and desired by a provider of data broadcasting contents. The data...
A buffer circuit capable of switching between input mode and output mode includes a first transistor for outputting a prescribed voltage to an input/output...