| Patent application number | Description | Published |
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| 20110096869 | SIGNAL CONVERTER, WIRELESS SIGNAL TRANSMISSION SYSTEM, AND WIRELESS SIGNAL RECEPTION SYSTEM - A signal converter | 04-28-2011 |
| 20110176639 | RADIO BASE STATION - The radio base station of the present invention detects desired sampling points, which are sampling points having reception levels higher than or equivalent to a predetermined threshold, to calculate a ratio of the desired sampling points to the entirety of sampling points contained in a desired bandwidth, the total number of sampling points being equivalent to the number of carriers in one cycle of the frequency band of the reception signal. Further, so as to calculate a gain to be applied in the amplification of signal level to a predetermined target level, the radio station uses as a gain a value obtained by dividing the target level by a product, the product being obtained by performing multiplication of an average value of levels of the signal components within the desired frequency band and an reciprocal of the ratio calculated. | 07-21-2011 |
| 20110188398 | RADIO RELAY STATION, RADIO RELAY METHOD, RADIO COMMUNICATION SYSTEM, LOCATION MANAGEMENT DEVICE, RADIO TERMINAL, AND RADIO COMMUNICATION METHOD - Provided is a radio relay station ( | 08-04-2011 |
| 20110228720 | RELAY STATION AND RADIO COMMUNICATION RELAY METHOD - A relay station | 09-22-2011 |
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| 20080252263 | Battery Pack and Electric Tool - A battery pack includes a plurality of lithium battery cells, an analog thermo sensing member, and an analog switch. The analog thermo sensing member detects, in an analog form, a battery temperature of at least one of the plurality of lithium battery cells, and outputs an output preventing signal if the battery temperature is over a first predetermined temperature. The analog switch element is the plurality of lithium battery cells in series, and is switched, based on the output preventing signal, to a state in which a current is prevented from flowing in the plurality of lithium battery cells. | 10-16-2008 |
| 20110000689 | POWER TOOL - A power tool | 01-06-2011 |
| 20110031975 | Battery-Driven Power Tool and Battery Pack Therefor - A battery pack includes a chargeable battery, a battery voltage detecting section, and a determining section. The battery voltage detecting section is configured to detect a battery voltage output from the rechargeable battery. The determining section is configured to determine a voltage level status of the rechargeable battery based on the battery voltage detected by the battery voltage detecting section. The determining section is free from determining the voltage level status when a rate of change in the battery voltage is equal to or greater than a predetermined criteria. Such a battery pack is used for a power tool. | 02-10-2011 |
| 20110037435 | POWER TOOL - A power tool | 02-17-2011 |
| 20110242717 | POWER TOOL - A power tool | 10-06-2011 |
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| 20080209694 | Fastener stringer and slide fastener - A fastener stringer capable of following up stretching/contracting action of a stretchable fabric smoothly by improving a stretching property of an element attaching portion, and capable of preventing breaking of chain if the element attaching portion is stretched, wherein the fastener stringer includes: a woven fastener tape having a tape main portion and an element attaching portion; a continuous fastener element row sewed to the element attaching portion with a non-elastic sewing thread; and an elastic core thread inserted through an interior of the fastener element row, an elastic yarn and a non-elastic yarn are woven into the tape main portion and the element attaching portion as warp yarns while a non-elastic yarn is woven as a weft yarn, and a weaving ratio of the elastic yarn to the non-elastic yarn is larger in the element attaching portion than in the tape main portion. | 09-04-2008 |
| 20100107374 | STRETCHABLE FASTENER STRINGER AND SLIDE FASTENER - A stretchable fastener stringer for a slide fastener includes a fastener tape having a tape main portion and an element attaching portion and a continuous fastener element which is attached to the element attaching portion. The fastener tape has stretchability due to an elastic yarn being combined by weaving or knitting and the fastener element includes a coupling head, upper and lower leg portions which are extended from the coupling head and a connecting portion which connects the upper and lower leg portions, therebetween of adjacent fastener elements. In this fastener stringer, a value of a bulging ratio which is the ratio between a dimension of the coupling head in the tape longitudinal direction and a dimension of the upper and lower leg portions in the tape longitudinal direction is set to be larger than 1.80 and not larger than 2.33. | 05-06-2010 |
| 20100325846 | FASTENER STRINGER AND SLIDE FASTENER - A fastener stringer capable of following up stretching/contracting action of a stretchable fabric smoothly by improving a stretching property of an element attaching portion, and capable of preventing breaking of chain if the element attaching portion is stretched, wherein the fastener stringer includes: a woven fastener tape having a tape main portion and an element attaching portion; a continuous fastener element row sewed to the element attaching portion with a non-elastic sewing thread; and an elastic core thread inserted through an interior of the fastener element row, an elastic yarn and a non-elastic yarn are woven into the tape main portion and the element attaching portion as warp yarns while a non-elastic yarn is woven as a weft yarn, and a weaving ratio of the elastic yarn to the non-elastic yarn is larger in the element attaching portion than in the tape main portion. | 12-30-2010 |
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| 20080240190 | METHOD OF MANUFACTURING SEMICONDUCTOR LASER, SEMICONDUCTOR LASER, OPTICAL PICKUP, OPTICAL DISK DEVICE, METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE, SEMICONDUCTOR DEVICE, AND METHOD OF GROWING NITRIDE TYPE GROUP III-V COMPOUND SEMICONDUCTOR LAYER - A method of manufacturing a semiconductor laser having an end face window structure, by growing over a substrate a nitride type Group III-V compound semiconductor layer including an active layer including a nitride type Group III-V compound semiconductor containing at least In and Ga, the method includes the steps of: forming a mask including an insulating film over the substrate, at least in the vicinity of the position of forming the end face window structure; and growing the nitride type Group III-V compound semiconductor layer including the active layer over a part, not covered with the mask, of the substrate. | 10-02-2008 |
| 20090034567 | METHOD OF MANUFACTURING SEMICONDUCTOR LASER, SEMICONDUCTOR LASER, OPTICAL PICKUP, OPTICAL DISK DEVICE, METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE, SEMICONDUCTOR DEVICE, AND METHOD OF GROWING NITRIDE TYPE GROUP III-V COMPOUND SEMICONDUCTOR LAYER - A method of manufacturing a semiconductor laser having an end face window structure, by growing over a substrate a nitride type Group III-V compound semiconductor layer including an active layer including a nitride type Group III-V compound semiconductor containing at least In and Ga. The method includes the steps of forming a mask including an insulating film over the substrate, at least in the vicinity of the position of forming the end face window structure; and growing the nitride type Group III-V compound semiconductor layer including the active layer over a part, not covered with the mask, of the substrate. | 02-05-2009 |
| 20100080107 | METHOD FOR PRODUCING SEMICONDUCTOR LASER, SEMICONDUCTOR LASER, OPTICAL PICKUP, AND OPTICAL DISK DRIVE - A method for producing a semiconductor laser having an edge window structure includes the steps of forming masks of insulating films on a nitride-based III-V compound semiconductor substrate including first regions and second regions periodically arranged in parallel therebetween; and growing a nitride-based III-V compound semiconductor layer in a region not covered by the masks. The first region between each two adjacent second regions has two or more positions, symmetrical with respect to a center line thereof, where laser stripes are to be formed. The masks are formed on one or both sides of each of the positions where the laser stripes are to be formed at least near a position where edge window structures are to be formed such that the masks are symmetrical with respect to the center line. The nitride-based III-V compound semiconductor layer includes an active layer containing at least indium and gallium. | 04-01-2010 |
| 20100151611 | Method for manufacturing semiconductor laser - A method for manufacturing a semiconductor laser includes the steps of forming a mask layer having a stripe-shaped mask portion corresponding to a ridge stripe to be formed on a nitride-based group III-V compound semiconductor layer, etching the nitride-based group III-V compound semiconductor layer to a predetermined depth using the mask layer to form the ridge stripe, forming a resist to cover the mask layer and the nitride-based group III-V compound semiconductor layer, etching-back the resist until the stripe-shaped mask portion of the mask layer is exposed, removing the exposed mask portion of the mask layer by etching to expose the upper surface of the ridge stripe, forming a metal film on the resist and the exposed ridge stripe to form an electrode on the ridge stripe, removing the resist together with the metal film formed thereon, and removing the mask layer by etching. | 06-17-2010 |
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| 20090108806 | ADAPTOR, ASSEMBLY OF BATTERY PACK AND ADAPTOR, AND ELECTRIC TOOL WITH THE SAME - When a battery pack having an output voltage of 14.4 V that is connectable to an electric tool in a sliding manner is used as a power supply source for the electric tool that is connectable to a battery pack in an insertion manner and has a rated voltage of 12 V, the electric tool and the battery pack are connected to each other with an adaptor interposed therebetween. The adaptor has an FET that is switched at a predetermined duty of a predetermined frequency. The battery pack and the electric tool are connected or disconnected to or from each other by the switching operation, thereby dropping the output voltage of the battery pack. The voltage from the battery pack is detected. When the detected voltage is out of a predetermined value range, it is judged that the overcurrent or overdischarge has occurred. Then, the FET is turned off to stop the electric tool. | 04-30-2009 |
| 20100033134 | POWER TOOL - To provide a power tool which can supply electric power again from a battery even in a case where the supply of electric power from the battery is stopped by an over-discharge detection means. A power tool | 02-11-2010 |
| 20110148332 | POWER TOOL - According to an aspect of the present invention, there is provided a power tool including: a motor; a switching device that switches over, in response to a conduction angle thereof, an AC voltage to be applied to the motor; a rotation speed setting unit that sets a target rotation speed of the motor; a rotation speed detection unit that detects an actual rotation speed of the motor; and a controller that determines the conduction angle by comparing the actual rotation speed with the target rotation speed and that controls the switching device by use of the conduction angle based on a maximum conduction angle, the maximum conduction angle being set in accordance with the target rotation speed. | 06-23-2011 |
| 20110241456 | Portable Electrical Power Tool - A portable electric power tool including a housing having one end to which an L-shaped battery pack is installable. A motor is accommodated in the housing. A switch assembly includes a switch body installed in the housing. The switch body is overlapped with the L-shaped battery pack in a longitudinal direction of the power tool. The switch assembly further includes a trigger including a pivot portion, a manipulation portion extending frontward from the pivot portion and pivotally movable, and a lever portion extending rearward from the pivot portion to actuate the switch body. The manipulation portion is disposed to overlap with a center of gravity of an entire power tool in the longitudinal direction, and the pivot portion is positioned between the manipulation portion and the switch body. | 10-06-2011 |
