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Japan Aerospace Exploration Agency Patents
Assignee:
Japan Aerospace Exploration Agency
Address:
Tokyo, JP
No. of patents:
28
Patents:




Patent Number Title Of Patent Date Issued
7423405 Electromagnetic rotating machine September 9, 2008
In order to obtain an electromagnetic rotating machine of lightweight and high energy efficiency, which produces big torque for rotating a large-diameter fan, a coil A and coil B as excitation coils are disposed on an inner peripheral surface of a fan casing so as to face an outer ci
7383104 Low-noise flight support system June 3, 2008
It is an object of the present invention to provide a system that is used to provide support so that a pilot can perform flight operations that reduce noise pollution, by devising this system so that noise conditions on the ground are calculated and displayed on the basis of map info
7341807 Non-flammable nonaqueous electrolyte solution and lithium ion cell using same March 11, 2008
Disclosed are a non-flammable nonaqueous electrolyte solution and a lithium ion cell using the electrolyte solution. The non-flammable nonaqueous electrolyte solution comprises a ternary or higher-order compound additive, a high concentration of lithium salt and a phosphoric ester se
7332780 Inverter, semiconductor logic circuit, static random access memory and data latch circuit February 19, 2008
A dual structure is introduced to the transistor in a flip-flop or a data input step controlled by a clock of a semiconductor logic circuit. The dual structure is formed by connecting a transistor with a MOS transistor having a channel of the same conductivity type in series with respect
7328075 Method of automatic adjustment of the control parameters of a magnetic suspension system February 5, 2008
In adjustment of the control parameters of a magnetic suspension system, an object of the present invention is to provide a technique for adjusting the control parameters to optimum values automatically by employing the iterative feedback tuning method, without increasing the complex
7322179 Air intake and method for breathing air using an air intake January 29, 2008
An air intake includes a spike and a cylindrical cowl. The spike is composed of a plurality of plates which are arranged axial symmetrically around a central axis thereof, and the cowl includes an inner wall parallel to the central axis and is formed so as to enclose a rear portion o
7309046 Method for determination of fuselage shape of supersonic aircraft, and fuselage front section sh December 18, 2007
Objectives to be achieved by this invention are the provision of a method for determining the ultimate fuselage shape of supersonic aircraft by integral modification of the upper and lower surface shapes of the fuselage, to reduce sonic boom without increasing wave drag, as well as t
7294969 Two-stage hall effect plasma accelerator including plasma source driven by high-frequency discha November 13, 2007
Disclosed is a high-frequency discharge plasma generation-based two-stage Hall-effect plasma accelerator, which comprises an annular acceleration channel having a gas inlet port, a high-frequency wave supply section, an anode, a cathode, a neutralizing electron generation portion and a
7279683 Distance measurement apparatus of gamma ray source using multilayered ray detector October 9, 2007
Rays incident upon a plurality of detection plates arranged along a normal direction are detected. A distance between the ray and the ray source is estimated based on the number of counted rays detected by each detection plate, and each interval distance of the detection plates. Moreover
7273672 Solid polymer electrolyte fuel cell September 25, 2007
The present invention provides a solid polymer electrolyte fuel cell comprising a fuel cell stack 21 formed by laminating a plurality of fuel cell units each of which includes a fuel electrode 23, an oxidant electrode 24, and a solid polymer electrolyte membrane 22 interposed between
7155031 Moving object detection method December 26, 2006
From a plurality of pictures 1-1 through 1-3 captured at successive time intervals, pictures 2-1 through 2-3 of regions determined in accordance with the movement of the celestial object are cut out. By deriving median values in regard to the same pixels in each of the cut-out pictures 2
7151129 Carbon nanofiber-dispersed resin fiber-reinforced composite material December 19, 2006
The resin in a fiber-reinforced resin material that uses a single fiber reinforcing ply or a number of fiber reinforcing plies for reinforcing the resin material is reinforced by dispersing carbon nanofibers therein, whereby a fiber-reinforced composite resin material having improved
7118072 Method for reducing resistance of flying object using expandable nose cone October 10, 2006
It is an object of the present invention to provide a flying object using a thin elongated nose cone with a small tip angle for reducing the air resistance during flying, wherein the maximum loading capacity can be increased without decreasing the volume efficiency of the flying object
7110601 Method for detecting linear image in planar picture September 19, 2006
A method for detecting a linear image in a planar picture is provided whereby the positions of a linear image can be determined by devising suitable processing of image data, even if a linear image traced by a moving object, such as space debris, a meteor, or the like, does not appea
7104055 Pressure vibration generator September 12, 2006
In the pressure oscillation generator 1, self-excited vibration is generated in a work transfer tube 30 by heating a heat input section 22 and also a resonator 50 is resonated, and when a work is inputted into a heat exchanger 20, the work is amplified by the heat exchanger 20, and is
7095359 Method of observing sea ice August 22, 2006
An ice thickness/drifting velocity observation of sea ice by using an ice thickness measurement sonar and a current meter moored into the sea and a sea ice observation by a high-resolution airborne SAR are synchronously performed, a correlation between a draft profile of sea ice passing
7069169 Method and apparatus for measuring heat flux distribution on object surface using temperature-se June 27, 2006
An object of the present invention is to provide a method that allows the heat flux distribution on an object surface to be measured even when the heat flux is an unsteady or short-duration phenomenon, and that does not depend on the material of the object; and to provide a system for
7059094 Frame structure June 13, 2006
A frame structure has a structural unit containing six elongated posts, each post having first and second ends, the structural unit capable of having at least an unfolded state where the six posts are substantially contained in one plane and a folded state where the six posts extend
7046824 System and method of presenting altitude visibility information provision system utilizing satel May 16, 2006
A satellite image analysis and processing apparatus includes a DEM extraction unit for extracting digital elevation model information having topography data and steeple-shaped building data; a topography situation recognition unit for discriminating a kind of topography and recognizing
7041981 Image sensor and manufacturing method thereof May 9, 2006
An image sensor has a three-dimensional structure in which a sensor element array having a plurality of sensor elements consisting of CdTe, arranged in a two-dimensional matrix, is mounted to an IC substrate via a connection layer. The connection layer has a plurality of stud bumps and
7038203 Method for observing high-altitude neutral air and device for observing high-altitude neutral ai May 2, 2006
Ion particles are discharged so as to be influenced by a magnetic field originated from the earth, and collided with high-altitude neutral air to generate high velocity neutral particles through charge exchange. The high velocity neutral particles are analyzed. The distance to the hi
6992297 Image sensor and manufacturing method thereof January 31, 2006
An image sensor has a three-dimensional structure in which a sensor element array having a plurality of sensor elements consisting of CdTe, arranged in a two-dimensional matrix, is mounted to an IC substrate via a connection layer. The connection layer has a plurality of stud bumps and
6952917 Dual liquid engine and rocket using the same October 11, 2005
The engine for a rocket is suitable for using for an educational program. The engine uses a liquid phase propellant having a predetermined boiling point and a heating substance having a temperature higher than the boiling point. The engine has an inner wall having a circumferential surfa
6920733 Unfoldable connected structure and method for unfolding the same July 26, 2005
An unfoldable connected structure has a structural unit movable in a folded and an unfolded state. The structural unit includes five arm units, and each of the arm units include an inner arm member having first and second ends, an outer arm member having first and second ends, an elbow j
6917903 Method for removing pseudo signal and program for removing pseudo signal July 12, 2005
A method removes a pseudo signal from the main signal. An integrated original signal is derived by integrating the original signal with respect to time, and then, is decomposed into the sum of one Approximation and at least one Detail by wavelet transformation. The wavelet transformation
6913735 Methane/methanol producing system July 5, 2005
A methane or methanol producing system is proposed in which laser beams are generated in space by excitation of sunlight, transmitted onto land or sea without loss to obtain optical energy with high efficiency, and irradiated on a hydrogen producing device to produce industrially inexpen
6862087 Radiation source position detection method, radiation source position detection system and radia March 1, 2005
A radiation source position detection system is provided, wherein three radiation detectors are arranged at different positions. Based on radiations incident to each of the radiation detectors, curved surfaces where a radiation source exists are calculated. By solving equations of ea
6729756 Method for calibrating a total-power microwave radiometer for a satellite May 4, 2004
A method for calibrating a total-power microwave radiometer for a satellite uses a cold calibration source, a hot calibration source and a receiver. The method has the steps of measuring with the receiver the brightness temperatures of the hot calibration source having a temperature of

 
 
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