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| Number | Title | Issue Date |
| 8166528 | Wireless communication system and wireless communication method The present invention provides a technology of effectively avoiding tracing on a terminal performed with an identification number being a target and DoS attack without making any significant changes to a communication system. In the wireless communication sys... | 04/24/2012 |
| 8160492 | Wireless network system A wireless communication device having extremely simple constitution is used, and a low-cost and low power consumption wireless network system with high-quality signals is provided. The wireless network system comprises a plurality of wireless communication devices ... | 04/17/2012 |
| 8145771 | Name system in communication network, and naming method A name system and method in a communication network, includes a technique for implementing naming in which security is ensured in an Internet environment and a personal network in which a user can access his own device or data. ... | 03/27/2012 |
| 8140011 | Radio node apparatus, multi-hop radio system, and multi-hop radio system constructing method The present invention provides a radio node apparatus, a multi-hop radio system and a multi-hop radio system constructing method, capable of constructing a tree type multi-hop radio system in which mutual radio nodes determine a radio node which becomes a root node ... | 03/20/2012 |
| 8131160 | Polarization direction synchronization detecting circuit and receiving apparatus A switch is to be inputted a modulation signal including the synchronization signal extracted from a received communication signal as a control signal, is to be inputted a detection signal detected by a photodetector that receives a polarization modulation signal ad... | 03/06/2012 |
| 8108151 | Method and apparatus for chemical genetic programming A chemical genetic programming method is provided, which enables programming by the application of a chemical genetic algorithm. The method performs transcription of tRNA from a second portion of DNA, translates amino acids based on a third portion of DNA and an ami... | 01/31/2012 |
| 8086112 | Optical signal processing circuit An optical gate switch circuit includes: an asymmetric Mach-Zehnder interferometer having an optical path that outputs control light and probe light to a second optical directional coupler via a first optical directional coupler and an optical phase modulation eleme... | 12/27/2011 |
| 8072925 | Multi-hop wireless network system A source terminal measures characteristics of the path at the source terminal itself, produces a characteristics-measurement packet, and transmits the produced characteristics-measurement packet to a relay terminal. Upon receiving the characteristics-measurement pac... | 12/06/2011 |
| 8064445 | Layer 2 mobility network When an apparatus located at an edge of a network transmits a report message in a multicast procedure transmitted from a mobile terminal to a gateway switch, the apparatus snoops the report message and transmits an entry update request frame for causing an entry for... | 11/22/2011 |
| 8048731 | Method for reducing low frequency noise of transistor A method for reducing low frequency noise of a transistor operable at cryogenic temperatures includes a first step in which the transistor is illuminated with a light in a state that the transistor is activated and flowed current by supplying a power at a predetermi... | 11/01/2011 |
| 8036541 | Coherent optical receiver A coherent optical receiver includes a 90-degree optical hybrid circuit to which a received signal light is input, I-channel and Q-channel photo detectors to which the outputs of the hybrid circuit are input, a clock extraction circuit which reproduces a clock whose... | 10/11/2011 |
| 8036259 | Interactive wireless communication device A first communication apparatus sequentially generates a pulse sequence having pulse signals arranged based on the UWB communication system, performs a framing process to form a frame having at least a preamble and a data portion on the generated pulse sequence and ... | 10/11/2011 |
| 8023775 | Super flat optical frequency comb signal generator An optical frequency COM generator generating an optical frequency COM having flat spectrum characteristics using a single modulator. The optical frequency COM generator has a drive signal system (11) and a bias signal system (14) which drive a first d... | 09/20/2011 |
| 7986723 | Delay estimation apparatus and method Delay estimation apparatus and method, comprising: a correlation step which a correlation function between a received signal and a supplied template waveform is generated, AD conversion step at which said correlation output generated at said correlation step is unif... | 07/26/2011 |
| 7986452 | High-speed multiplied signal generating method and device It is an object of the present invention to provide an apparatus that can obtain a multiplied harmonic signal fast and with ease, and the method using the apparatus. The object is attained by the method for obtaining a multiple harmonic signal comprises, supp... | 07/26/2011 |
| 7969860 | Transmitter apparatus, receiver apparatus, transmitting method, receiving method, and program A serial-parallel converter 102 of a transmitter apparatus receives an input of a signal to be transmitted and serial-parallel-converts this to output m (m≧2) number of intermediate signals. A unitary matrix modulator 103 modulates the output m numbe... | 06/28/2011 |
| 7957653 | Phase control optical FSK modulator There is provided an optical modulator capable of controlling the phase of a USB signal and the phase of an LSB signal of an optical FSK modulated signal. A modulation signal is applied to a main Mach-Zehnder electrode (or an electrode C) (11) of a main Mach-... | 06/07/2011 |
| 7939289 | Distinction method for the catch capacity of proteins A distinction method is provided to distinguish catch capacity where myosin, a protein that constitutes muscles, or filaments containing myosin bind to actin due to the contribution of twitchin that constitutes thick filaments along with myosin, while certain tensio... | 05/10/2011 |
| 7936996 | Automatic adjusting system of frequency shift keying modulator An optical modulator achieving high extinction ratio and an optical modulator system. By a control system performing an adjustment method comprising predetermined steps by applying a bias voltage daringly to a modulation electrode for switching the USB signal and LS... | 05/03/2011 |
| 7930387 | Location information server system and wireless communication system using the same A location information server system for acquiring the status of a user terminal in wireless communication network, comprising: a plurality of sensor means capable of communicating through a network; a priority database to location information from each sensor means... | 04/19/2011 |
| 7885601 | Radio node apparatus, multi-hop radio system, and multi-hop radio system constructing method The present invention provides a radio node apparatus, a multi-hop radio system and a multi-hop radio system constructing method, capable of constructing a tree type multi-hop radio system in which mutual radio nodes determine a radio node which becomes a root node ... | 02/08/2011 |
| 7881760 | Measuring structure for magneto encephalographic equipment with a superconducting magnetic-shield A magneto-encephalographic equipment superconducting magnetic-shield comprising a vacuum-tight body comprising an outer enclosure wall, a first inner enclosure wall inserted in the outer enclosure wall to define a upper closed space, and a second inner enclosure wal... | 02/01/2011 |
| 7873411 | Interface device, interface method and control training device by the use of the interface device An interface device in accordance with the present claimed invention is an interface device 4 that intervenes between a measuring means 2 that measures brain activities of a subject H and an object 31 to be controlled, and that comprises a refer... | 01/18/2011 |
| 7873275 | Photonic network packet routing method and packet router for photonic network A photonic network packet routing method includes the steps of optically encoding destination address information attached to an IP packet using light attributes, discriminating the encoded address information of the IP packet by optical correlation processing, swit... | 01/18/2011 |
| 7869668 | Method for generating carrier residual signal and its device A method for generating a carrier residual signal and its device, in which a heterodyne optical signal used in a photometric field or an optical fiber radio communication field can be stably generated with a simplified structure. The device includes an optical modul... | 01/11/2011 |
| 7864330 | Method and device for calibrating a light intensity measurement device It is an object of the present invention to provide a method and a device for automatically calibrating a light intensity measurement device. The device (1) includes an optical switch (3) for switching a route of output from an optical intensity modula... | 01/04/2011 |
| 7856594 | Related web contents synchronization and presentation system and method A system including a site specifying portion for receiving an identifier of a base site that becomes the basis of a displayed presentation and receives an identifier of a compared site displayed in a language different from that of the base site, a base page specify... | 12/21/2010 |
| 7830872 | Signal processing device, method, and computer readable medium To provide a signal processing section of a software radio device or the like which can dynamically change connection itself of an internal function structure at the time of execution. A switching module ISM1(2) or the like selects and uses one of the ... | 11/09/2010 |
| 7826546 | Communication system, transmitter, receiver, transmitting method, receiving method, and program A transmitter codes data to be transferred, performs serial-parallel conversion of the data to two signal groups, and passes one of the groups to a first transmission unit and the other one to a second transmission unit. Each of the first transmission unit and the s... | 11/02/2010 |
| 7816643 | Neutral atom trapping device A neutral atom trapping device with a multipole-magnetic field-generating electrode is provided with a main current electrode through which main current flows, and a pair of sub-current electrodes through which sub-current flows, and which is located in parallel to ... | 10/19/2010 |
| 7804883 | Method and system for frequency hopping radio communication A transmitter shown in FIG. 3 inputs to a mixer 36 an IF band modulation signal generated from transmission data and a frequency hopping signal obtained by a hopping synthesizer 38 controlled by a hopping pattern generator 37, thereby obt... | 09/28/2010 |
| 7804456 | Ultra wideband loop antenna The wideband L-loop antenna is presented in this invention. It has excellent performance for lower band of UWB system and has the attractive features of small size, inexpensive, and easy to design. The antenna composed of a single metallic layer is printed on the to... | 09/28/2010 |
| 7801451 | Optical signal processing circuit An optical phase modulation circuit includes an optical phase modulation element, an optical bandpass filter, and an optical directional coupler, wherein control light with a wavelength of λC is coupled with probe light with a wavelength of λP | 09/21/2010 |
| 7792575 | Language processing function measuring device The device of the present invention can automatically extract words under accurately controlled set conditions. A word presenting means presents words to a subject, a biological activity measuring means measures the biological activity in the subject, and a calculat... | 09/07/2010 |
| 7787122 | Optical waveform measurement device and measurement method thereof, complex refractive index measurement device and measurement method thereof, and computer program recording medium containing the program A light-waveform measuring device and method include a complex-refractive-index measuring device and a computer-program recording medium An electric field of an electromagnetic wave, in a light region having wavelengths smaller than those of electromagnetic waves in... | 08/31/2010 |
| 7756564 | Apparatus for measuring the neuro-magnetic field from a human brain and method for operating the same The present invention provides a low-noise MEG apparatus of high sensitivity. A MEG apparatus using a magnetic shield of high critical temperature superconductor is set on the floor of a building via mechanical vibration suppressor supports to prevent appearance of ... | 07/13/2010 |
| 7755745 | Coherent doppler lidar A coherent Doppler lidar which can oscillate high energy pulses and output laser beams in a longer wavelength range of 1.5 μm to the atmosphere is provided. The coherent Doppler lidar has a pulse laser an oscillation wavelength of which is controlled by means of in... | 07/13/2010 |
| 7741604 | Bolometer-type THz-wave detector In a micro-bridge structure in which a temperature detecting portion 14 (diaphragm) including a bolometer thin film 7 is supported by a supporting portion 13 in a state floated from a circuit substrate 2, a reflective film 3 reflec... | 06/22/2010 |
| 7725487 | Content synchronization system and method of similar web pages The present claimed invention is a synchronized comparison and present system that presents a similar Web page, when a page in a Web site is presented, in a different site based on a search keyword automatically obtained in the page simultaneously and automatically ... | 05/25/2010 |
| 7715495 | Communication system, transmitter, receiver, transmitting method, receiving method, and program A transmitter 131 in a communication system 101 receives data to be transferred, performs STBC coding thereon to acquire two signals, performs an OFDM transmission process on the signals which are radio-transmitted to from antennas 141, 142 havi... | 05/11/2010 |
