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Kasajima

Takeo Kasajima, Kawasaki JP

Patent application numberDescriptionPublished
20120033206CABLE INSTALLED STATE ANALYZING METHOD AND CABLE INSTALLED STATE ANALYZING APPARATUS - An image of an installed state of an optical fiber is captured by a camera. The optical fiber is provided with position marks at fixed intervals, the position marks each indicating a distance from a predetermined position and a direction of the optical fiber. An installed state analyzing apparatus performs image processing on the captured image and analyzes the installed state of the optical fiber by using the optical fiber installation tools and the position marks.02-09-2012
20120033709TEMPERATURE MEASUREMENT SYSTEM AND TEMPERATURE MEASUREMENT METHOD - A temperature measurement system includes: a laser light source; an optical fiber; and a temperature measurement unit configured to acquire a measured temperature distribution of a temperature of a temperature measurement area along an installation path of the optical fiber by detecting backscattered light of the incident laser light in the optical fiber, wherein the temperature measurement unit sequentially makes a correction for the measured temperature distribution a plurality of times so as to make a square error between a convolution of a transfer function of the optical fiber along the installation path and the corrected temperature distribution and the measured temperature distribution smaller in each of the corrections, and the temperature measurement unit also replaces a corrected temperature at a specific point of the installation path with an estimated temperature at the specific point in each of the corrections.02-09-2012

Tamon Kasajima, Hong Kong CN

Patent application numberDescriptionPublished
20090045809Magnetic sensor and manufacturing method of the same - To provide a magnetic sensor that can be reduced in size and cost. Provided is a magnetic sensor which comprises: a magnetic field detection chip having a magnetic field detection element for detecting a magnetic field and an output terminal for outputting an output signal from the magnetic field detection element; and a substrate that has the magnetic field detection chip mounted thereon, and has a connection terminal for being connected to the output terminal of the magnetic field detection chip that is formed on a mount face of the substrate. An output-terminal formed face of the magnetic field detection chip is arranged not to be in parallel to the mount face of the substrate. More specifically, the output-terminal formed face of the magnetic field detection chip is arranged almost vertical to the mount face of the substrate.02-19-2009
20090195243TILT ANGLE SENSOR AND DETECTION-TARGET DEVICE COMPRISING THE SAME - To provide a tilt angle sensor that is capable of detecting acceleration, a tilt angle, and the like of a device to which the tilt sensor angle is mounted, and also capable of reducing the size and the cost with a simple structure. The tilt angle sensor comprises: a spring member having a fixed end a free end that has a flexibility to be bent at least in one direction; a magnetic field generating device for generating a magnetic field, which is mounted at the free end of the spring member; a magnetic field detecting device provided by facing the magnetic field generating device for detecting a direction of the magnetic field generated by the magnetic field generating device; and a damping device for giving a damping force to a bending action of the spring member.08-06-2009
20090284254Magnetic sensor - A magnetic sensor capable of detecting a magnetic field with high sensitivity is provided. The magnetic sensor includes a bridge circuit having a plurality of magneto resistive effect elements connected with each other, and is capable of detecting a differential voltage between predetermined connecting points. The magneto resistive effect elements output resistance values which vary in accordance with a direction of a magnetic field to be input, and are arranged such that fixed magnetization directions of all magneto resistive effect elements are in the same direction. Further, a magnetic body which changes the direction of the magnetic field to be input to the magneto resistive effect elements is also provided in the vicinity of the bridge circuit.11-19-2009
20100301835Current sensor - A current sensor includes, a current-measured wiring including parallel wiring sections in which portions of the same wiring are arranged in parallel such that electric current to be measured flows therein in opposite directions each other; a magnetism detection unit which is arranged between parallel wirings located in the parallel wiring sections and detects a magnetic field in a direction perpendicular to a plane formed by the parallel wirings; a current detection unit which detects electric current flowing in the current-measured wiring, based on the magnetic field detected by the magnetism detection unit; and a magnetic core surrounding the parallel wiring sections so as to intensify the magnetic field generated around the parallel wirings located in the parallel wiring sections when electric current flows in the wirings. The magnetic core has a pair of plates facing each other over a plane formed by the parallel wirings, the pair of plates having flat and parallel inner faces, and the magnetism detection unit is arranged between the pair of plates of the magnetic core.12-02-2010

Tatsuya Kasajima, Kyoto JP

Patent application numberDescriptionPublished
20110073755Selective molecular excitation method and isotope separation method using the same, isotope analysis method, selective molecular excitation apparatus and isotope separation apparatus - Molecules of a specific species can be selectively excited among molecules of a plurality of species that show only a slight difference of mass. Energy levels can be displayed on a graph where the horizontal axis indicates excitation energy. Assume an instance where an electromagnetic wave showing a comb-shaped spectrum having a plurality of narrow bands as indicated by P03-31-2011

Yasushi Kasajima, Kyoto-Shi JP

Patent application numberDescriptionPublished
20100224424INPUT DEVICE - An input device includes a plurality of detectors for respectively detecting a close approach of an approaching object, and a controller including a plurality of input channels. The plurality of detectors is aligned in a direction. Each of the detectors belongs to one of a plurality of groups each of which two or more detectors belong to. The plurality of detectors in each of the groups is connected in common to one of the input channels associated therewith in the controller. A permutation of the groups which at least three detectors, continuously aligned thus forming a set and arbitrarily selected from the plurality of detectors, respectively belong to is different by each set of at least three detectors.09-09-2010
20100328254CAPACITANCE TYPE INPUT DEVICE - A capacitance type input device is configured to detect the access position of a conductor such as a finger, and includes a plurality of electrodes and an IC chip. The plurality of electrodes are spaced apart from each other in direction Y, and each of the electrodes has an elongated form extending in direction X. The IC chip detects the access position of the finger in direction Y, based on a change in capacitance generated between the finger and the respective electrodes. The plurality of electrodes include a high-sensitivity electrode, and a low-sensitivity electrode which has a greater surface area than that of the high-sensitivity electrode. When compared by the same size, the low-sensitivity electrode has a lower sensitivity than the high-sensitivity electrode.12-30-2010
20110276291ELECTROSTATIC CAPACITANCE TYPE INPUT DEVICE AND CALCULATION METHOD FOR CALCULATING APPROACH POSITION OF CONDUCTOR - An electrostatic capacitance type input device includes: first electrodes arranged in a first direction and extending in a second direction intersecting the first direction; second electrodes arranged in the second direction and extending in the first direction; a storage unit storing first direction detection values obtained through the first electrodes resulting from the change in capacitance between a first conductor and the electrodes, and storing second direction detection values obtained through the second electrodes resulting from the change in capacitance between the first conductor and the electrodes; and a calculation unit, which generates first map values from a first value and a second value obtained, respectively, by processing at least one of the first direction detection values and at least one of the second direction detection values. The calculation unit determines whether the first conductor has approached the first electrodes and second electrodes using the first map values.11-10-2011

Yasushi Kasajima, Kyoto JP

Patent application numberDescriptionPublished
20090257015IMAGE DISPLAY - A liquid crystal image display (10-15-2009