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Assignee: NEC Corporation


Location: Tokyo, JP
No. of applications: 1419

1                      
Application No.Application TitleIssue Date
20120131355RANGE SEARCH SYSTEM, RANGE SEARCH METHOD, AND RANGE SEARCH PROGRAM
In case of a range search to the encryption DB (database), conventionally, because there is a correlation between a value of the data and the number of search keys for the range search, the contents of the encrypted data can be inferred and are not safe. Also, it is not...
05/24/2012
20120131030INFORMATION MANAGEMENT APPARATUS, INFORMATION MANAGEMENT METHOD, AND INFORMATION CONTROL PROGRAM
An information management apparatus includes: a confidential data storing section configured to store a plurality of individual identifies (IDs) and data which is related to each of the plurality of individual IDs as confidential data. A receiving section is configured ...
05/24/2012
20120129491METHOD OF PROVIDING TELECOMMUNICATIONS NETWORK SECURITY
Disclosed is a method of providing network security within a mobile radio communications network and including creating a security context for communications between a mobile radio communications device and the network, the security context being created responsive to a...
05/24/2012
20120127551SMALL SIZE FAST STEERING MIRROR HAVING SMALL SIZE AND EXCELLENT VIBRATION CHARACTERISTICS
A fast steering mirror has n plate springs (40a to 40d) and m drive means (50a to 50d). The plate springs (40a to 40d) are arranged such that a cross-sectional plane passing through the ...
05/24/2012
20120127542IMAGE CAPTURING APPARATUS, IMAGE CAPTURING METHOD, AND IMAGE CAPTURING CIRCUIT
Provided is an image capturing apparatus for capturing an image of a target object by optically scanning the target object by moving in a predetermined scanning direction. The apparatus includes a light-receiving device that is disposed on a light-receiving surface of t...
05/24/2012
20120127236CARBON NANOTUBE INK COMPOSITION
A carbon nanotube ink composition that exhibits excellent storage stability and superior printability during printing using a printing device. The carbon nanotube ink composition includes at least carbon nanotubes, a solvent, and an acetylene glycol compound represented...
05/24/2012
20120126865CLOCK REGENERATION CIRCUIT
A clock regeneration circuit according to an exemplary embodiment of the present invention is characterized in that a phase comparison result of serial data being inputted and a clock signal is shaped with use of the clock signal or another clock signal having a predete...
05/24/2012
20120126854FREQUENCY REGENERATION CIRCUIT AND FREQUENCY REGENERATION METHOD
A frequency regeneration circuit according to the present invention compares a width of a single pulse of input data with a time width of a 1/n clock cycle defined by a phase difference of multi-phase clock signals (where n is a natural number) in order to regenerate a ...
05/24/2012
20120110170MALICIOUS CALL DETECTION APPARATUS, MALICIOUS CALL DETECTING METHOD AND COMPUTER PROGRAM FOR DETECTING MALICIOUS CALLS
To improve detection accuracy of SPIT, first, an identification information gathering apparatus receives various identification information from an IP phone terminal which has transmitted an INVITE message. A PUCI server generates bind identification information by bind...
05/03/2012
20120108247METHOD, BASE STATION AND USER EQUIPMENT FOR REDUCING A COGNITIVE PILOT CHANNEL BANDWIDTH
The invention relates to a method for reducing a Cognitive Pilot Channel (CPC) bandwidth used for transmitting lists of information to a plurality of meshes of a geographical area comprising at least one base station (4) covering n meshes to allow a User Equipmen...
05/03/2012
20120106498MOBILE COMMUNICATION SYSTEM, BASE STATION, HIGHER-ORDER APPARATUS, COMMUNICATION METHOD, AND PROGRAM
A mobile communication system includes terminals and a plurality of base stations that use scrambling codes to perform radio communication with the terminals. Each of the plurality of base stations transmits to neighboring base stations information of the range of scram...
05/03/2012
20120106459GATEWAY APPARATUS, METHOD AND COMMUNICATION SYSTEM
A femtocell gateway apparatus arranged on a mobile IMS network comprises a conversion unit that when receiving a request from a terminal via a mobile network, transfers the request to a femtocell access point located in a home, reads a stream or file including at least ...
05/03/2012
20120106323NETWORK SYSTEM
A link control function unit 506 of a device 500 notifies a counterpart device 600 of a line in which a link disconnection occurs among lines 508 to 510 and L500 terminated at line terminals 501 to 503 or a lower s...
05/03/2012
20120105775CIRCULAR POLARIZER, LIQUID CRYSTAL DISPLAY DEVICE, AND TERMINAL DEVICE
In an LCD device, a circular polarizer is provided to each of two substrates that hold a liquid crystal layer. The circular polarizer on the display surface side includes a polarizer, λ/2 plate in which Rth>0, and a λ/4 plate in which Rth<0; and the circular pol...
05/03/2012
20120105766LIQUID CRYSTAL DISPLAY WITH NARROW ANGULAR RANGE OF INCIDENT LIGHT AND METHOD OF MAKING THE DISPLAY
A liquid crystal display includes a liquid crystal panel in the pixel electrode and common electrodes formed within a pixel comprise repeating structures. The angular range of light incident from the light source is narrower along a direction of the repeating structures...
05/03/2012
20120103809METHOD FOR SEPARATING NANOCARBON MATERIAL, SEPARATION DEVICE, AND SEPARATED NANOCARBON DISPERSION SOLUTION
A method for separating a nanocarbon material includes a step in which a dispersion solution of the nanocarbon material which is dispersed into nanocarbon micelle groups having a plurality of different electric charges, and a retaining solution having a different specif...
05/03/2012
20120103772OPERATION KEY AND TERMINAL DEVICE
Provided is an operation key in which power of a finger is efficiently transmitted and a terminal device equipped with the operation key.

The operation key is equipped with a first surface which protrudes upwards in an entire region and has...

05/03/2012
20120083281NETWORK MANAGEMENT SYSTEM, WIRELESS COVERAGE CONTROL METHOD AND WIRELESS COVERAGE CONTROL PROGRAM
A network management system includes: wireless link quality information collection means for collecting, from a mobile terminal that is connected to the mobile communication network, wireless link quality information that indicates wireless link quality measured by the ...
04/05/2012
20120082370MATCHING DEVICE, MATCHING METHOD AND MATCHING PROGRAM
Provided is a matching device capable of improving the accuracy of the degree of similarly in the calculation of the degree of similarly between data sets. Element selection means 41 selects elements corresponding to each other between a first vector including a ...
04/05/2012
20120082063QUARANTINE DEVICE, QUARANTINE METHOD, AND COMPUTER-READABLE STORAGE MEDIUM
A quarantine device 1 performs processing on a network provided with a VLAN-aware Layer 2 Switch 7. The quarantine device 1 includes a terminal detection unit 11 that, when a single terminal is connected to a specified port of the Layer 2 Swi...
04/05/2012
20120082030PACKET RETRANSMISSION CONTROL SYSTEM, PACKET RETRANSMISSION CONTROL METHOD AND RETRANSMISSION CONTROL PROGRAM
A packet retransmission control system includes an application processing module on which an application for executing communication processing operates, a retransmission control determination module which determines whether to execute high-speed retransmission control ...
04/05/2012
20120072727MULTI-ISP CONTROLLED ACCESS TO IP NETWORKS, BASED ON THIRD-PARTY OPERATED UNTRUSTED ACCESS STATIONS
A mechanism that allows sharing of an existing infrastructure for access to public or private IP networks, such as the public Internet or private LANs is provided. Specifically, infrastructure owners lease the infrastructure resources on a short-term basis to different ...
03/22/2012
20120072637I/O BRIDGE DEVICE, RESPONSE-REPORTING METHOD, AND PROGRAM
An I/O bridge device includes: a command receiver that receives a command signal indicating a command to a memory controller from a peripheral component; a converter that converts the command signal into a command packet including the command and identification informat...
03/22/2012
20120071164MOBILE COMMUNICATION SYSTEM, CORE NETWORK NODE SELECTION METHOD, AND BASE STATION AND MOBILE STATION USED THEREFOR
A mobile communication system in which a plurality of base stations and a plurality of core network nodes are distributed in a plurality of areas, wherein a source base station or a mobile station in a handover procedure of the mobile station transmits information for s...
03/22/2012
20120070043DETERMINATION DEVICE, FINGERPRINT INPUT DEVICE, DETERMINATION METHOD, AND DETERMINATION PROGRAM
A device is not able to detect the forgery of a finger with high accuracy by the comparison of a reflected light image and a transmitted light image that are obtained from the same finger. A determination device is provided with an input element for receiving the reflec...
03/22/2012
20120069886WIRELESS STATION, AN INTERFERENCE ESTIMATION METHOD, A WIRELESS COMMUNICATION SYSTEM AND A COMPUTER PROGRAM
A wireless station of the present invention includes: a synchronization unit configured to synchronize with a transmission suspension period of a transmitting station of a wireless system, a measurement unit configured to measure a reception level of a wireless signal o...
03/22/2012
20120069809METHOD AND DEVICE FOR ALLOCATING COMMON CHANNEL RESOURCES
A resource allocation method and device are provided that can achieve uniform loads on and stable quality of a common channel available to mobile stations having no dedicated channels. A method for allocating common channel resources in a system in which a plurality of ...
03/22/2012
20120054079Charging system and charging method
A charging system includes a communication network, a charging server which performs charge calculation to a communication in the communication network, and a management server which determines a network route for the communication and sets route information to network ...
03/01/2012
20120047349DATA TRANSFER SYSTEM
A data transfer system includes: a plurality of processors; and a plurality of data transfer units that executes a data transfer from one processor to other processor via a plurality of input ports and a plurality of output ports. The data transfer unit includes: an arb...
02/23/2012
20120044935Relay control unit, relay control system, relay control method, and relay control program
Communication allowance determination means determines, using information of a packet received by a packet relay unit and based on a policy which is information associating a match condition with communicability information, whether to allow or not to allow communicatio...
02/23/2012
20120044567THREE-DIMENSIONAL IMAGE DISPLAY DEVICE, PORTABLE TERMINAL DEVICE, DISPLAY PANEL AND FLY EYE LENS
In a three-dimensional image display device for displaying color three-dimensional images, a fly eye lens, a display panel, and a light source are provided in this order from the observer side. A display panel has four pixels arrayed in a (2×2) matrix correlated with o...
02/23/2012
20120041958EFFICIENT RETRIEVAL OF VARIABLE-LENGTH CHARACTER STRING DATA
Prefixes are registered on a first list as index elements for respective registration patterns. Each prefix is selected as the longest of different-length prefixes that are extractable from a registration pattern in accordance with an extraction rule. Suffixes, which ar...
02/16/2012
20120041807INCENTIVE-BASED SERVER COOPERATION SYSTEM, INCENTIVE-BASED SERVER COOPERATION METHOD AND INCENTIVE-BASED SERVER COOPERATION PROGRAM
Only a limited number of service servers have been provided with the function of feeding back profits obtained through cooperation of multiple service servers to developers of cooperation modules and business entities running the service servers as incentives. In the pr...
02/16/2012
20120039370PHASE SHIFTER, WIRELESS COMMUNICATION APPARATUS, AND PHASE CONTROL METHOD
Disclosed are a phase shifter, a wireless communication apparatus, and a phase control method in which power consumption is reduced. A phase shifter includes a 90° step phase shifter (17) and a 45° phase shifter (18) and adds phase information to two bas...
02/16/2012
20120039338NETWORK SYSTEM, CONTROLLER, AND NETWORK CONTROL METHOD
A switch transfers a predetermined packet to an appliance. The appliance generates a rewritten packet by carrying out the packet header rewriting on the predetermined packet and forwards the rewritten packet back to the switch. The switch transfers the rewritten packet ...
02/16/2012
20120036138METHOD AND APPARATUS FOR DESIGN SPACE EXPLORATION IN HIGH LEVEL SYNTHESIS
A method for automatically exploring a design space of an untimed high level language, comprising at least one of: (a) exploring automatically a set of local operations parsing an input source and assigning a set of attributes to each of the local operations; (b) explor...
02/09/2012
20120034517SECONDARY BATTERY USING AN ELECTROLYTE SOLUTION
There is provided a lithium secondary battery which has excellent characteristics such as energy density and electromotive force and is excellent in cycle life and storage stability. An electrolyte solution for secondary battery comprising at least an aprotic solvent ha...
02/09/2012
20120033974OPTICAL COMMUNICATION SYSTEM, OPTICAL COMMUNICATION APPARATUS, AND OPTICAL COMMUNICATION METHOD THEREOF
An optical communication system includes a first optical communication apparatus configured to insert a wavelength control signal in a main signal to produce a modified main signal; convert the modified main signal into a first optical signal; and transmit the first opt...
02/09/2012
20120033969WAVELENGTH PATH MULTIPLEXING AND DEMULTIPLEXING OPTICAL TRANSMISSION APPARATUS
A sending apparatus includes: a wavelength path multiplexing part; a sending wavelength path selection part; and an optical transmitter having optical sending parts. The wavelength path multiplexing part includes: sending wavelength path demultiplexing ports; and sendin...
02/09/2012
20120033828Signal Processing Method and Apparatus, and Recording Medium in Which a Signal Processing Program is Recorded
A signal processing method for converting a signal received via a transmission path or read from a storage medium into a first audible signal, and suppressing a noise other than a desired signal contained in the first audible signal based on predetermined audio quality ...
02/09/2012
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