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Electronic device and its power control method
To provide an interface device and method of controlling power to achieve reduction in power consumption by presetting the transceiver in the standby state. When...
Partition reconfiguration system, partition reconfiguration method, and
partition reconfiguration program
A partition reconfiguration system includes a management node that issues a partition reconfiguration instruction based on pre-defined schedule information; an...
DHCP message based notification system which prevents registration of
unauthorized users while concurrently...
A main unit address restricted notification system has a main unit, two or more subordinate terminals which acquire an IP address of said main unit at a...
Method for storing and reproducing ring tone melodies of mobile phones and
A server for storing data of a ring tone melody downloaded from a ring tone melody distribution server through a network is disposed. A mobile phone has a memory...
Cellular phone system and mobile communication terminals and base station
controlling apparatus in the system...
A cellular phone system, in which the probability that the deterioration of channel quality and the phenomenon of a call drop occur caused by the imperfection of...
Mobile communications system, radio base station control system, and radio
base station control method
An object of the present invention is to provide efficient RFN timing passing between a User Plane Server (UPS) and Radio Control Server (RCS). In a radio base...
Telephone system enabling operation of a telephone set by way of a
In a telephone system which includes a main device (200) and a telephone set (500) connected to the main device and which further includes a portable terminal...
Portable terminal device and wireless communication terminal device
A portable terminal device of the invention has a first casing that has a first display part and a second casing that has a key operation part. The first casing...
Base station transmission power control system, mobile station and base
In soft hand over in a code division multi access mobile radio communication system, interference in a down link caused by transmission from a plurality of base...
User interface control method and system for a mobile terminal
A mobile telephone and an external user interface processing device are connected to a communication network. The external user interface processing device...
Data transmission system for prevention of unauthorized copy of data from
A data transmission system is provided to transmit data streams recorded on recording media to the external system or device. Herein, an original data stream...
Method and apparatus for shuffle with proof, method and apparatus for
shuffle verification, method and...
A shuffle with proof having a method for proof generating with small computational resources proportionate to the number of input encrypted messages and a...
Modulation device, demodulation device, communication system using the
same, program and method for...
A QAM modulation system capable of setting a number of multilevel to approximate 2.sup.(p+0.25) (p is an integer equal to or more than 3) or 2.sup.(p+q/n). An...
Data transmission system using at cellular phones
A data transmission system for cellular phones. A video data encoder encodes video data, and an audio data encoder encodes audio data. A video data storage unit...
Radio network, relay node, core node, relay transmission method used in
the same and program thereof
A radio network can select a route of minimum path loss among entire relay routes and can set the relay route so as to satisfactorily resist interference. The...
Semiconductor memory device and its test method as well as test circuit
The present invention provides a semiconductor memory device capable of checking operation in the worst case in address combinations, and its manufacturing...
Secondary battery and capacitor using indole polymeric compound
Secondary batteries and capacitors have a high electromotive force together with a high cyclic property and are capable of fast charging and discharging, using a...
Method for evaluating displaying element of liquid crystal, information
storage medium for storing computer...
An evaluating apparatus uniquely determines a twist angle, a cell gap and a mean tilt angle through a method, in which a linearly polarized light beam is firstly...
Liquid crystal display device having flexible substrates
The LCD device includes a liquid crystal panel, a backlight unit, a circuit board disposed at rear side of the backlight unit, and a number of flexible...
Image display apparatus, light quantity control method, and storage medium
storing program thereof
A light quantity control by a user can be synchronized to an automatic light quantity control depending on a luminance level of an input video signal. An image...
Antenna device and transmitter-receiver using the antenna device
An antenna device of transmission line type having two antenna elements opposed to each other, and a signal is fed between the two antenna elements. A...
Clock controlling method and circuit
A clock control circuit comprises a control circuit 102 for outputting a control signal for adding or subtracting a phase to a reference clock, which is an input...
Power supply apparatus for traveling-wave tube which eliminates high
A power supply apparatus for a traveling-wave tube disclosed herein eliminates the need for isolation through a vacuum relay or the like, and is therefore...
Traveling-wave tube having heat radiating structure with high thermal
A traveling-wave tube is provided which has a heat radiating structure with good heat conductivity from the collector core to the heat sink. An insulator is...
Power supply circuit for traveling-wave tube which eliminates large relay
and relay driving power supply
A power supply circuit for a traveling-wave tube disclosed herein eliminates a large relay and a relay driving power supply to reduce the size and cost and to...
Thin planar semiconductor device having electrodes on both surfaces and
method of fabricating same
A thin, planar semiconductor device having electrodes on both surfaces is disclosed. This semiconductor device is provided with an IC chip and a wiring layer...
Liquid crystal display apparatus
In a liquid crystal display apparatus, a conductive agent is spread on a surface of the polarizing plate adhered to a substrate 12 disposed on an opposite side...
Process for forming pattern and method for producing liquid crystal
A process for forming a pattern contains steps of: forming a first mask pattern on a film to be etched on a substrate; forming a first pattern of the film to be...
Method of fabricating semiconductor device
A method of fabricating a semiconductor device, including at least the steps of (a) forming a via-hole or trench throughout an electrically insulating layer, (b)...
Semiconductor device including p-channel type transistor, and production
method for manufacturing such...
In a semiconductor device including at least one p-channel type MOS transistor, a silicon dioxide layer is formed on a silicon substrate, and a gate electrode is...
Method and apparatus for measuring temperature
Temperature of molten silicon 1 in an infrared image furnace 2 including a halogen lamp 8 as a heating source to grow a single crystal of silicon in a...
Layout and wiring system and recording medium recording the wiring method
It is determined whether a short-run rule can be adapted into a position, where a via cell is parallel and adjacent to a portion of wiring or another via cell....
Disk cache management method of disk array device
A local memory mounted on a host director is provided with a local cache management region for managing a cache page at a steady open state in a cache management...
Distributed processing system, method of the same
A collection/distribution server divides processing task accepted from a customer terminal into a plurality of processing units, and transmits the units to at...
Method and apparatus for decoding speech signal
A method of decoding a speech signal based on a CELP (Code Excited Linear Prediction) with improvement in degradation of decoded sound quality in a noise period....
Software portable telephone
Received signal inputted from an antenna 1 is fed via a received signal mixer 2 and an A/D converter 3 to a demodulator 4. The demodulator 4 is operated...
Compact cellular phone
A compact cellular phone with a foldable configuration and two planar antennas having outward directivities are provided inside the compact cellular phone in the...
Code division multiple access communication apparatus and method thereof
A CDMA communication apparatus according to the present invention is constructed of a plurality of spreading units, an adding unit, a coefficient setting unit, a...
Radio communication terminal system automatic function setting method used
in the same
A control unit 12 executes a waiting operation by monitoring broadcast data received by a radio unit 11 and reception levels of these data at all times. When the...
Mobile communication control method and system and mobile station thereof
In case of making site selection diversity transmit power control, all handover base stations are enabled for transmission depending on a state of the...
The portable telephone is provided with an antenna serving as both transmitting and receiving antennas, a radio unit composed of a transmitter and a receiver, a...
Repeater, mobile radio communication system, fault notification method for
said repeater or said mobile radio...
A contents server fault monitor periodically detects the status of operation of contents servers. Information about the status of operation of the contents...
Optical waveguide device and method of manufacture thereof
An optical waveguide device includes a substrate, a metal layer arranged on the substrate, at least claddings arranged on the metal layer and in the claddings...
Edge achromatization circuit and method
An edge achromatization circuit and method is disclosed wherein, in digital camera signal processing, a signal having a linear characteristic before .gamma....
Electronic apparatus and multi-functional telephone apparatus
An electronic apparatus and a multi-functional telephone apparatus in which system data can be set efficiently using plural pictures irrespective of whether the...
Digital signal processing apparatus
A digital signal processing apparatus has an A/D converter, a digital filter, and an anti-aliasing circuit. The digital filter attenuates a frequency component...
Phase shift keying modulation including a data converter for converting an
input data signal having 3 bits long...
In a phase modulation apparatus for modulating a phase of a carrier signal by an input signal to produce a phase-shift-keying-modulated wave, a data converter...
Demodulator having automatic quadrature control function
A demodulator for automatically performing quadrature control in which there is no necessity for the modulator side to perform precision adjustment and...
There is provided an adaptive transceiver device which estimates a path arrival direction of a desired wave signal by using a reception antenna weight of a k-th...
ATM switching system
An ATM switching system 10 includes an EMA 20 and CPUs 30 and 40 as currently acting and subsidiary systems, respectively. The CPUs 30 and 40 are connected via...