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66results about How to "Free from risk" patented technology

Headphone device, signal processing device, and signal processing method

ActiveUS20090245529A1Superior noise cancelling systemFree from riskEar treatmentNoise generationEngineeringHeadphones
A headphone device includes: a sound reproduction unit having a diaphragm which is configured to perform sound reproduction based on a sound signal; a sound pickup unit configured to perform a sound pickup operation; a filtering unit configured to apply filtering to a picked-up sound signal obtained by the sound pickup unit, to give a noise-cancelling signal characteristic; a combining unit configured to combine the picked-up sound signal that has undergone filtering, and a listening sound signal which is inputted separately, to generate a sound signal supplied to the sound reproduction unit; and an abnormality determination unit configured to determine occurrence or non-occurrence of an abnormal sound, on the basis of a result of level detection of a sound signal obtained within a sound signal processing system that includes the filtering unit and the combining unit and is formed between the sound pickup unit and the sound reproduction unit.
Owner:SONY CORP

Catheter for topical cooling and topical cooling device using the same

Topical cooling of spinal cord, brain, esophagus, etc. can be selectively and continuously carried out under convenient control without causing any changes in internal pressure of spinal cord cavity, brain pressure, etc. by inserting a catheter, which has no hole connecting to the outside and in which a heat-cooling medium is circulated in its inner space to thereby cool a topical site; into the spinal cord, the epidural cavity, the subdural cavity or the subarachnoid cavity of the brain or the esophageal cavity and placing therein and then circulating the heat / cooling medium within the inner space of the catheter; or using a device composed of a heat absorption member in the form of a catheter, a heat insulation member and a heat radiation member, inserting the heat absorption member in the form of a catheter into the spinal cord, the epidural cavity, the subdural cavity or the subarachnoid cavity of the brain or the esophageal cavity and placing therein and then absorbing heat from the heat absorption member and radiating the heat from the heat radiation member via the heat insulation member, thereby contributing to the treatment of spinal diseases including prevention of paraplegia accompanying thoracic aortic aneurysm surgery and the treatment of brain injury, esophageal injury and so on.
Owner:MORI ATSUO

Printed circuit board, design method thereof and mainboard of terminal product

A printed circuit board and a design method thereof are disclosed. The design method includes: wiring signal lines on an area basis at inner layers adjacent to outer surface layers; arranging the outer surface layers with no wiring or few wirings and interconnecting the outer surface layers by way of through vias, so that the outer surface layers function as a primary ground; and setting parameters of a line width and a layer height to control a target impedance value. The printed circuit board includes outer surface layers and two inner layers therebetween. The inner layers adjacent to the outer surface layers are used for arranging signal lines on an area basis; and the outer surface layers are arranged with no wiring or few wirings and are interconnected as a primary ground through vias. The invention also discloses a mainboard of a terminal product using the printed circuit board.
Owner:HUAWEI TECH CO LTD

Recombinant virus vectors

A mutant herpesvirus that can be used a recombinant virus vector includes (a) a mutation such that the mutant virus has a reduced ability in comparison with a parent type to cause lysis of an infected cell, and (b) an inactivating mutation in a gene essential for the production of infectious virus. An example is a HSV1 mutant lacking the essential glycoprotein gH gene and having a mutation impairing the function of the gene product VP16. A heterologous gene can be carried at the site of the inactivated essential gene, e.g. a gene suitable for administering gene therapy. The vector has an increased margin of safety over known herpesvirus vectors in respect of incidence of cytopathic effects and / or risk of infection.
Owner:SPECK PETER G

Battery pack

There is provided a risk-free and easy-to-use battery pack using battery cells 1 as a secondary battery, in which internal gases evaporated by applying overvoltage or the like thereto are processed inside a case to be prevented from leaking to the outside of the case and thereby even if the case has been led to rise in pressure due to a thermorunaway of the battery, the case is free from breaking. To realize this performance, the battery pack 10 is provided with a battery cell housing 17 for housing lithium cells 1 and a gas processor 15 for liquefying the internal gases g generated from the lithium cells 1.
Owner:TDK LAMBDA CORP

Overlapping method for branched connecting line of hot-line robot

The invention provides an overlapping method for a branched connecting line of a hot-line robot. Mechanical arms of the robot respond to control data. A gasoline cotton cloth brush, a steel wire brush, a conductive paste paint brush and a C-shaped wire clamp are carried to the position nearby a to-be-overlapped wire. The auxiliary mechanical arm clamps the to-be-overlapped wire. The first mechanical arm and the second mechanical arm complete cleaning of the to-be-overlapped wire, and then the to-be-overlapped wire is connected with the branched connecting line in a hooking mode. According to the overlapping method, the mechanical arms of the hot-line robot are overlapped with the branched connecting line in the mode of remote operation or autonomous working, the danger caused when operators work nearby live high-voltage lines is avoided, and the operating steps are simplified.
Owner:NANJING UNIV OF SCI & TECH

Method for cartilage tissue regeneration via simulated microgravity culture using scaffolds

This invention relates to a method for cartilage tissue engineering using scaffolds in simulated microgravity culture. This invention enables engineering of homogeneous cartilage tissue using bone marrow cells in a more rapid manner in a simulated microgravity environment, while allowing control of the configuration of the resulting cartilage tissue.
Owner:NAT INST OF ADVANCED IND SCI & TECH

Catheter for Topical Cooling and Topical Cooling Device using the same

Topical cooling of spinal cord, brain, esophagus, etc. can be selectively and continuously carried out under convenient control without causing any changes in internal pressure of spinal cord cavity, brain pressure, etc. by inserting a catheter, which has no hole connecting to the outside and in which a heat-cooling medium is circulated in its inner space to thereby cool a topical site; into the spinal cord, the epidural cavity, the subdural cavity or the subarachnoid cavity of the brain or the esophageal cavity and placing therein and then circulating the heat / cooling medium within the inner space of the catheter; or using a device composed of a heat absorption member in the form of a catheter, a heat insulation member and a heat radiation member, inserting the heat absorption member in the form of a catheter into the spinal cord, the epidural cavity, the subdural cavity or the subarachnoid cavity of the brain or the esophageal cavity and placing therein and then absorbing heat from the heat absorption member and radiating the heat from the heat radiation member via the heat insulation member, thereby contributing to the treatment of spinal diseases including prevention of paraplegia accompanying thoracic aortic aneurysm surgery and the treatment of brain injury, esophageal injury and so on.
Owner:MORI ATSUO

Concave laser-resurfaced part, method and device for producing it

Device for resurfacing a concave face (2) of a tubular part (1) by supplying resurfacing material and energy by a laser, comprising a laser source for generating a laser beam (9), resurfacing material delivery means (5) based on hard refractory particles and metal alloy particles, in order to deliver the resurfacing material close to a resurfacing zone (6) on the concave face (2) of the tubular part (1) to be resurfaced, laser beam delivery means (7) and directing means (8) for directing the laser beam (9) into the resurfacing zone (6). The laser source is a diode laser (4) and the laser beam delivery means (7) conduct the latter over a penetration length (L) along a penetration direction and then the directing means (8) deflect the laser beam (9) into a radial direction (II-II) away from the penetration direction, so that the laser source may lie outside the tubular part (1) and the laser beam delivery means (7) may be axially engaged completely or partly in the tubular part (1).
Owner:TECHNOSYM SRL

Shaking and centrifuging device

Device for shaking and centrifuging a content including a material in the pulverulent state and a liquid product in a rigid container in preparation for a test on the mixed content, where the container has a capacity less than one liter and suited to a quantity of content specific for the test to be done, including a frame, a plate, a first drive unit and a second drive unit suited for displacing the plate relative to the frame. The first drive unit is suited for displacing the plate relative to the frame with an alternating movement along a shaking direction in order to shake the container, and the second drive unit is suited for displacing the plate relative to the frame according to a rotational movement around a centrifuging axis, such that the content of the container is centrifuged when the plate is rotated around the centrifuging axis.
Owner:CHOPIN TECH

Target for magnetron sputtering

The invention provides a new sputtering target that provides a large leakage of magnetic flux, is free of the risk of a change of composition during deposition, and enables deposition under a stable voltage.A sputtering target is that having (1) a Co—Pt magnetic phase including Co and Pt, wherein Pt is included at a proportion of 4 atomic % to 10 atomic %; (2) a Co—Cr—Pt nonmagnetic phase including Co, Cr and Pt, wherein Co and Cr are included at proportions of 30 atomic % or more of Cr and 70 atomic % or less of Co; and (3) an oxide phase including finely dispersed metal oxides.
Owner:TANAKA PRECIOUS METAL IND

Solvent containing 1,2,5-thiadiazole compound, and method for extracting an organic compound using the solvent

The object of the present invention is to provide a solvent which is free from the risk of destroying the ozone layer surrounding the Earth, hardly toxic, and free from the risk of causing environment pollution problems by polluting underground water or air. The solvent contains at least one chosen from 1,2,5-thiadiazole compounds represented by formula (1) below: (where R1 and R2 each represent hydrogen or methyl group).
Owner:WASEDA UNIV

Bio-electrode and method for manufacturing the same

The present invention provides a bio-electrode including an electro-conductive base material and a living body contact layer formed on the electro-conductive base material; wherein the living body contact layer contains a resin layer and particles dispersed in the resin layer, the particles being coated with gold, platinum, silver, or alloy of these metals; a thickness of the resin layer is equal to or thinner than an average particle size of the particles; the resin layer contains a silicon-containing resin and a non-silicon-containing resin; and the silicon-containing resin is localized in the direction of a surface of the resin layer. The bio-electrode of the present invention is superior in electric conductivity and biocompatibility, light in weight, can be manufactured at low cost, and can combine repellency of the resin layer surface and adhesion properties of the resin layer to particles.
Owner:SHIN ETSU CHEM IND CO LTD

Detection method of metal oxide lightning arrester through live-line work robot

The invention provides a detection method of a metal oxide lightning arrester through a live-line work robot. A mechanical arm of the robot responds to control data, and caries a leakage current measurement device, a high sensitivity electronic type current transformer and an infrared detector. Movement and data detection is performed around the metal oxide lightning arrester. A data processing and control system processes detection data of each detection device, and compares acquired related index values with normal values in a database so as to judge working states of the metal oxide lightning arrester, thereby forming a detection report. According to the invention, the mechanical arm of the live-line work robot carries out live-line detection on the metal oxide lightning arrester in a way of shaking operation or autonomous working, so a worker is protected against risks during working near a live-line high-voltage line, working steps are simplified and detection precision is improved.
Owner:NANJING UNIV OF SCI & TECH

Cone shaped crusher

The present disclosure relates to a cone-shaped crusher. The cone-shaped crusher includes a main shaft, a mantle core assembly which is coupled to and movable up and down the main shaft, and a crushing gap control support positioned below the mantle core assembly and fixed to the main shaft . In addition, the crushing gap control support has an annular cylindrical unit extending upward therefrom and receiving a piston unit which extends downward from the mantle core assembly so that the piston unit is movable up and down in the cylindrical unit . The whole mantle core assembly formed with the piston unit moves up and down by a pressure of hydraulic oil flowing in and out of an internal space of the cylindrical unit.
Owner:HA YONG GAN

Toner dispersing member and toner dispersing mechanism provided therewith

Provided is a toner dispersing member including a rotary shaft and dispersing protrusions formed of a flexible film member wound along an outer peripheral surface of the rotary shaft, the flexible film member including a large number of cuts formed on one side thereof and are directed outward. The toner dispersing member is rotated about the rotary shaft so that a lump of toner coming into contact with the dispersing protrusions is dispersed.
Owner:KYOCERA DOCUMENT SOLUTIONS INC

Bio-electrode composition, bio-electrode, and method for manufacturing a bio-electrode

The present invention provides a bio-electrode composition including: a resin having a urethane bond and a silicone chain in the main chain; and an electro-conductive material, wherein the electro-conductive material is a polymer compound having one or more repeating units selected from fluorosulfonic acid salts shown by the following formula (1)-1, fluorosulfonic acid salts shown by the following formula (1)-2, sulfonimide salts shown by the following formula (1)-3, and sulfonamide salts shown by the following formula (1)-4. This can form a living body contact layer for a bio-electrode that is excellent in electric conductivity and biocompatibility, light in weight, manufacturable at low cost, and free from large lowering of the electric conductivity even when it is wetted with water or dried. The present invention also provides a bio-electrode in which the living body contact layer is formed from the bio-electrode composition, and a method for manufacturing the bio-electrode.
Owner:SHIN ETSU CHEM IND CO LTD

Electrolyte storage structure for a lithium battery

An electrolyte storage structure for a lithium battery made of a battery core having a stack with positive electrode plates, negative electrode plates and separating films, a battery core positive electrode welded with the positive electrode plate, a battery core negative electrode welded with the negative electrode plate, electrolyte, and a cup for receiving the battery core, positive electrode plate, the negative electrode plate and the electrolyte. The cup has a receiving space for accommodating the electrolyte core, the positive electrode plate and the negative electrode plate, and the electrolyte is disposed separately from the battery core. The electrolyte is released and flows into the receiving space for infiltrating the battery core before the battery is set to use. The battery core is infiltrated and saturated with the electrolyte. Then the saturated lithium battery undergoes following procedures of charging and activation to generate a finished lithium battery.
Owner:AMITA TECH

Device For Positioning An Article To Be Wrapped

A device for positioning an article (2) to be wrapped by a machine has a horizontal support body (3) centrally fixed on a vertical rotation shaft (4). The device (1) is equipped with at a least one plier device (5) connected, to turn together with the rotation shaft, to support the body (3), the plier device provided with at least two jaws (6,7). An opening apparatus (8) is connected to at least one of the jaws (6,7) to hold and to release the article (2). The at least one plier device (5) is connected to the support body (3) by a respective rotation device (9) for rotating the at least one plier device (5) and of the article held thereby, around an axis almost radial in respect to the support body (3).
Owner:SACMI PACKAGING

Substrate storage container

A substrate storage container includes a container body for accomodating and aligning semiconductor wafers, a door which opens and closes the front of the container body and a pair of valve units disposed at the bottom of the container body for controlling gas flow. Each valve unit includes a fixed sleeve for gas flow, fitted in a rib of a through-hole of the container body, a holding sleeve fitted in the through-hole of the container body with an o-ring interposed therebetween and mated and threaded with the fixed sleeve, a check valve built between the fixed sleeve and the holding sleeve, leaving a clearance, an elastically deformable element for opening and closing the check valve, an interior lid sleeve for gas flow, opposing the check valve and supporting the elastically deformable element, and a filter interposed between the holding sleeve and the interior lid sleeve.
Owner:SHIN-ETSU POLYMER CO LTD

Pulp concentration adjusting method and device for used paper recycling apparatus

The invention presents a pulp concentration adjusting method and its device for realizing a used paper recycling apparatus being installed in a room of a small shop or the like, friendly to the environment, low in running cost, and capable of maintaining a high confidentiality. The pulp concentration adjusting section is characterized by dividing a specified portion from the whole volume of used paper pulp manufactured in pulp making section in preceding process, adding water for adjusting concentration to the divided portion of used paper pulp, and adjusting the total volume of the divided portion of used paper pulp and water to a specified value, thereby preparing a pulp suspension of specified concentration. In this manner, by adjusting the concentration of used paper pulp in dividing portions (small portions), the water consumption can be saved substantially and the apparatus size is reduced, while enhancing the processing capacity.
Owner:VIEWDLE INC

Bio-electrode composition, bio-electrode, method for manufacturing bio-electrode, polymer compound, and composite

A bio-electrode composition contains (A) a composite of an ionic polymer material and particles. The component (A) contains the particles bonding to the polymer containing a repeating unit having a structure selected from the group consisting of salts of ammonium, lithium, sodium, potassium, and silver formed with any of fluorosulfonic acid, fluorosulfonimide, and N-carbonyl-fluorosulfonamide. Thus, the present invention provides: a bio-electrode composition capable of forming a living body contact layer for a bio-electrode which is excellent in electric conductivity and biocompatibility, light-weight, and manufacturable at low cost, and which prevents significant reduction in the electric conductivity even when wetted with water or dried; a bio-electrode including a living body contact layer formed of the bio-electrode composition; and a method for manufacturing the bio-electrode.
Owner:SHIN ETSU CHEM IND CO LTD

Mercury-free lead-free button battery

A mercury-free lead-free button battery includes a negative cap, a cathode material, a gasket ring, a positive can, an anode material, and a diaphragm. The positive can and the negative cap are combined. The gasket ring is clamped between the positive can and the negative cap for separating the positive can from the negative cap. The cathode material is arranged on the bottom of the positive can. The diaphragm is arranged on the cathode material. The anode material is arranged between the negative cap and the diaphragm. A partition unit is arranged between the negative cap and the anode material for separating the anode material from the negative cap and conductively connecting the anode material and the negative cap. The partition unit ensures disconnection between the anode material and the negative cap and therefore safety of the battery by preventing expansion, weeping and even that would otherwise happen.
Owner:LIU BIN
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