Patent application number | Description | Published |
20130141078 | POWER MEASUREMENT SYSTEM AND POWER TEMPERATURE CONVERTER - A power measurement system includes: a power temperature converter attached to a power supply line of an electric instrument and having a temperature changed corresponding to a current flowing through the power supply line; a temperature measurement apparatus configured to measure the temperature of the power temperature converter; and an analyzer configured to analyze power consumed by the electric instrument by using a measurement result of the temperature of the power temperature converter obtained by the temperature measurement apparatus. | 06-06-2013 |
20130215930 | TEMPERATURE MEASUREMENT SYSTEM AND TEMPERATURE MEASUREMENT METHOD - To measure the temperature in a temperature-measurement target disposed in a first area, an optical fiber is drawn to the first area from a second area having an adjusted temperature, and the optical fiber is installed in the temperature-measurement target. Furthermore, a reference temperature-measurement unit is provided in the second area. A temperature measurement apparatus detects backscattered light generated in the optical fiber, and detects temperatures at multiple measurement points along an installation path of the optical fiber. When making a correction on a signal outputted from the temperature measurement apparatus, a signal processor replaces temperatures at measurement points located in the second area among the measurement points with a temperature at the reference temperature-measurement unit. | 08-22-2013 |
20130273825 | AIR-CONDITIONING CONTROL SYSTEM AND AIR VOLUME ADJUSTMENT DEVICE - An air volume adjustment device is located at a vent for connecting an equipment installation area, where a rack for housing computers is installed, to a free access floor provided below a floor of the equipment installation area and supplied with air from an air conditioner. The air volume adjustment device includes an air volume adjustment sheet provided with an opening to allow passage of air, a first roll connected to one end portion of the air volume adjustment sheet and made capable of reeling in the air volume adjustment sheet, and a second roll located away from the first roll, connected to another end portion of the air volume adjustment sheet, and made capable of reeling in the air volume adjustment sheet. | 10-17-2013 |
20140146850 | TEMPERATURE DISTRIBUTION MEASUREMENT APPARATUS AND TEMPERATURE DISTRIBUTION MEASUREMENT METHOD - A temperature distribution measurement apparatus includes a laser light source optically connected to an optical fiber, a photodetector configured to detect light backscattered in the optical fiber, and a temperature distribution measurement unit configured to obtain a true measured temperature distribution by performing correction calculation using a transfer function on a temporary measured temperature distribution obtained based on an output from the photodetector. The temperature distribution measurement unit stores therein data on a transfer function set for each entire length of the optical fiber and for each longitudinal position in the optical fiber. Then, when the length of the optical fiber is changed, the temperature distribution measurement unit changes the transfer function to be used in the correction calculation by using the data on the transfer function. | 05-29-2014 |
20140153611 | TEMPERATURE DISTRIBUTION MEASUREMENT SYSTEM, TEMPERATURE DISTRIBUTION MEASUREMENT APPARATUS, AND TEMPERATURE DISTRIBUTION MEASUREMENT METHOD - A temperature distribution measurement system includes an optical fiber, a laser light source optically connected to the optical fiber, a photodetector configured to detect light backscattered in the optical fiber, and a temperature distribution measurement unit configured to perform correction calculation using a transfer function on a measured temperature distribution obtained from an output from the photodetector. The temperature distribution measurement unit acquires an actual temperature distribution in a location where the optical fiber is laid and determines appropriateness of the transfer function by computing a difference between the measured temperature distribution after the correction and the actual temperature distribution. | 06-05-2014 |
Patent application number | Description | Published |
20120033206 | CABLE 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 |
20120033709 | TEMPERATURE 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 |
20120307861 | ENVIRONMENTAL MEASUREMENT SYSTEM AND ENVIRONMENTAL MEASUREMENT METHOD - An optical fiber is provided with a first measurement portion and a second measurement portion provided with covering layers different at least in any one of heat capacity and heat conductivity. Then, the first measurement portion and the second measurement portion are located in the same measurement position and light is inputted from a temperature measurement device into the optical fiber. Thereafter, the temperature measurement device receives backscattered light generated inside the optical fiber to measure temperature distribution in a longitudinal direction of the optical fiber. An analyzer analyzes a variation over time of the temperature distribution outputted from the temperature measurement device to calculate a temperature and a wind velocity in a measurement position where the first measurement portion and the second measurement portion are located. | 12-06-2012 |
20120310535 | ENVIRONMENTAL MEASUREMENT SYSTEM AND ENVIRONMENTAL MEASUREMENT METHOD - An optical fiber is provided with a first measurement portion and a second measurement portion. The first measurement portion is provided with a heater and a hygroscopic layer made of a resin in which a material having a deliquescent property is dispersed. Meanwhile, the second measurement portion is provided with the heater and a non-hygroscopic layer having a lower moisture absorption capacity than the capacity of the hygroscopic layer. The heater is brought into heat generation by being supplied with electric power, and temperatures at the second measurement portion and temperatures at the first measurement portion are measured with a temperature measurement device. Then, an analyzer calculates a humidity based on an integrated value of differences between the temperatures at the first measurement portion and the temperatures at the second measurement portion. | 12-06-2012 |
Patent application number | Description | Published |
20090045809 | Magnetic 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 |
20090195243 | TILT 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 |
20090284254 | Magnetic 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 |
20100301835 | Current 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 |
20130075143 | ELECTRONIC COMPONENT MODULE AND ITS MANUFACTURING METHOD - The electronic component module includes a substrate; an electronic component mounted on an electronic component mounting surface of the substrate; an insulating body that covers the electronic component on the electronic component mounting surface of the substrate; and a metal film formed by electroless plating, the metal film covering an exterior surface of the insulating body and a side surface of the substrate. The substrate has a space section in which a space is formed, the space being dented inward of the substrate in the periphery of a surface opposite to the electronic component mounting surface of the substrate, and the metal film entirely covers at least one side surface of the electronic component module except for at least a portion located on a surface perpendicular to the electronic component mounting surface of the substrate in the space section. | 03-28-2013 |
Patent application number | Description | Published |
20100224424 | INPUT 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 |
20100328254 | CAPACITANCE 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 |
20110276291 | ELECTROSTATIC 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 |