mhurhangee/ep-ind-claims huggingface dataset:
A method for producing a copper powder for conductive paste, the method comprising the steps of: complexing copper by adding a complexing agent to an aqueous solution containing copper while blowing air into the solution; stopping the blowing of air after complexing copper; and thereafter, adding a reducing agent to the solution to deposit copper particles by reduction, wherein the complexing agent is citric acid, wherein the reducing agent is at least one reducing agent selected from the group consisting of hypophosphoric acid, sodium hypophosphite, hydrazine, sodium borohydride and formalin, wherein the aqueous solution containing copper is an aqueous solution containing cuprous oxide or copper oxide, wherein the equivalent weight of the complexing agent added to the aqueous solution containing copper is in the range of from 0.035 to 0.065 with respect to that of copper contained in the aqueous solution containing copper, and wherein the equivalent weight of the reducing agent added to the aqueous solution containing copper is not less than 3 with respect to that of copper contained in the aqueous solution containing copper. complexing copper by adding a complexing agent to an aqueous solution containing copper while blowing air into the solution; stopping the blowing of air after complexing copper; and thereafter, adding a reducing agent to the solution to deposit copper particles by reduction, wherein the complexing agent is citric acid, wherein the reducing agent is at least one reducing agent selected from the group consisting of hypophosphoric acid, sodium hypophosphite, hydrazine, sodium borohydride and formalin, wherein the aqueous solution containing copper is an aqueous solution containing cuprous oxide or copper oxide, wherein the equivalent weight of the complexing agent added to the aqueous solution containing copper is in the range of from 0.035 to 0.065 with respect to that of copper contained in the aqueous solution containing copper, and wherein the equivalent weight of the reducing agent added to the aqueous solution containing copper is not less than 3 with respect to that of copper contained in the aqueous solution containing copper.
An irradiation cross-linked polyethylene pipe comprising an ethylene polymer with a density of more than 950 kg/m 3 obtained by polymerisation with a single-site catalyst and having a shear thinning index SHI 2.7/210 of less than 10; wherein said pipe has a pressure test performance at 4.8 MPa and 95°C of at least 500 h and at 12.4 MPa and 20°C of at least 500 h; and wherein the polymer comprises at least two components.
A power transmission apparatus including a transmission, a case that accommodates the transmission, a counter drive gear to which power from the transmission is transmitted, and a counter driven gear that meshes with the counter drive gear, the power transmission apparatus comprising: a brake that fixes a rotational element of the transmission to the case so as not to be rotatable; and a supporting member that is fixed to the case via a fastening member and that supports the counter drive gear so as to be rotatable, wherein the supporting member is integrally molded with a cylindrical drum portion that functions as a brake drum of the brake; the supporting member includes a boss portion that is formed in a cylindrical shape and supports the counter drive gear so as to be rotatable via a bearing fixed to the outer circumferential surface of the boss portion, and an annular wall portion that is integrally molded with the boss portion and the drum portion so as to extend between the boss portion and the drum portion; the drum portion is extended from the annular wall portion toward an opposite side from the boss portion in the axial direction, and toward an opposite side from the brake in the axial direction so as to surround at least a part of the boss portion; and the drum portion includes a fastening portion that is extended radially outward from an outer circumferential surface of an end of the drum portion, which is adjacent to the boss portion, and is fastened to the case via a bolt. a brake that fixes a rotational element of the transmission to the case so as not to be rotatable; and a supporting member that is fixed to the case via a fastening member and that supports the counter drive gear so as to be rotatable, wherein the supporting member is integrally molded with a cylindrical drum portion that functions as a brake drum of the brake; the supporting member includes a boss portion that is formed in a cylindrical shape and supports the counter drive gear so as to be rotatable via a bearing fixed to the outer circumferential surface of the boss portion, and an annular wall portion that is integrally molded with the boss portion and the drum portion so as to extend between the boss portion and the drum portion; the drum portion is extended from the annular wall portion toward an opposite side from the boss portion in the axial direction, and toward an opposite side from the brake in the axial direction so as to surround at least a part of the boss portion; and the drum portion includes a fastening portion that is extended radially outward from an outer circumferential surface of an end of the drum portion, which is adjacent to the boss portion, and is fastened to the case via a bolt.
A detection system for acoustic transmission characteristics of building intercom system, at least comprising a sound source portion, a detected pathway, a measuring device and a calculating device, characterized in that, the sound source portion adapted to produce a specific voice signal, wherein the specific voice signal comprises a P.50 simulation voice signal or a P.501 human voice signal of International Telecommunication Union-Telecommunication Standardization Sector ITU-T; the detected pathway comprises a first telephone, a second telephone and a communication link connected with the first telephone and the second telephone in a detected building intercom system; wherein, the first telephone and the second telephone is respectively located at an input terminal of the detected pathway and at an output terminal of the detected pathway, the detected pathway is associated with the sound source portion, for inputting the specific voice signal into the detected pathway as an input voice signal, transmitting the specific voice signal in the detected pathway, and outputting the specific voice signal as a detected output voice signal; and the measuring device adapted to measure a sound pressure related to the detected output voice signal based on the detected output voice signal; and the calculating device adapted to calculate an acoustic characteristic parameter according to the measured sound pressure related to the detected output voice signal to determine acoustic transmission characteristics of the detected pathway; wherein the measuring device is connected to the sound source portion through a microphone, so as to adjust and measure a sound pressure Pm of an input reference point of the sound source portion according to the specific voice signal produced by the sound source portion; and the measuring device measures output sound pressures Po and Pe, or a total sound pressure P and a sound pressure of fundamental wave P 1 related to the detected output voice signal based on the detected output voice signal; and/or the measuring device measures a sound pressure related to the detected output voice signal and a noise pressure within a frequency range of 200Hz∼8000Hz related to the detected output voice signal based on the detected output voice signal.
A surface mountable delivery device which has a multi layer construction comprising an elastic liquid permeable support layer adjacent to a porous reservoir layer, the porous reservoir layer being provided with a backing layer and wherein the liquid permeable layer is only rendered permeable to liquid on compression of the device.
A collection apparatus for rubbish, recyclables, sweepings and the like, having a bucket which can be closed by a cover, wherein the cover has positioning means shaped-matched to a pan for positioning the pan at the cover, wherein the positioning means have a pan receiver for receiving the sweeping body of the pan, wherein the pan receiver forms an insertion compartment into which the pan can be inserted with its sweeping body, characterised in that the insertion compartment has an insertion opening open towards the upper cover side, with the cover being completely closed towards the bucket interior by a cover base and with the positioning means being configured as a clamping and/or latching apparatus, with shaped-matched and/or force-fitted holding means being provided for a releasable, fixed-position holding of the pan at the cover in the position predefined by the positioning means.
Composition for separation of spermatozoa from a semen sample, consisting of - water, - sodium chloride in a concentration of 97.5-140.0 mM - potassium chloride in a concentration of 4.0-5.5 mM - glucose in a concentration of 1.0-1.4 mM - EDTA in a concentration of 0.10-0. 14 mM - HEPES in a concentration of 15.0-19.0 mM - Tri-sodium citrate in a concentration of 4.8-8.3 mM - lactate in a concentration of 0-4.0 mM; and - silane-coated silica particles in a concentration of 300-1000 g/l said composition having a pH of 7.0-7.35 and an osmolarity of 320-330 mOsm. - water, - sodium chloride in a concentration of 97.5-140.0 mM - potassium chloride in a concentration of 4.0-5.5 mM - glucose in a concentration of 1.0-1.4 mM - EDTA in a concentration of 0.10-0. 14 mM - HEPES in a concentration of 15.0-19.0 mM - Tri-sodium citrate in a concentration of 4.8-8.3 mM - lactate in a concentration of 0-4.0 mM; and - silane-coated silica particles in a concentration of 300-1000 g/l
An energy harvesting system for harvesting electrical energy from at least one variable capacitor (Cs), comprising the at least one variable capacitor, a first voltage source for providing a first voltage (V load) and a second voltage source for providing a second voltage (V bias), for each variable capacitor a respective half-bridge network; the first and second voltage sources (V1, V2) arranged in a series connection with an interconnecting node between a terminal of first polarity of the first voltage source and a terminal of second polarity of the second voltage source, the second polarity being opposite to the first polarity; the respective half-bridge network comprising a pair of a first diode and second diode connected in series with common node between the first and second diodes, the pair being connected parallel to the first voltage source between the terminal of first polarity and a terminal of second polarity of the first voltage source; the at least one variable capacitor being connected with a first capacitor terminal to the common node and with a second capacitor terminal to a terminal of first polarity of the second voltage source; wherein for each variable capacitor the system further comprises an inductor, a first switch and a second switch; the inductor is connected between the common node and the first capacitor terminal of the respective variable capacitor, and the first switch is connected in parallel with the first diode and the second switch is connected in parallel with the second diode. the first and second voltage sources (V1, V2) arranged in a series connection with an interconnecting node between a terminal of first polarity of the first voltage source and a terminal of second polarity of the second voltage source, the second polarity being opposite to the first polarity; the respective half-bridge network comprising a pair of a first diode and second diode connected in series with common node between the first and second diodes, the pair being connected parallel to the first voltage source between the terminal of first polarity and a terminal of second polarity of the first voltage source; the at least one variable capacitor being connected with a first capacitor terminal to the common node and with a second capacitor terminal to a terminal of first polarity of the second voltage source; wherein for each variable capacitor the system further comprises an inductor, a first switch and a second switch; the inductor is connected between the common node and the first capacitor terminal of the respective variable capacitor, and the first switch is connected in parallel with the first diode and the second switch is connected in parallel with the second diode.
Method for putting an infrared detector into operation comprising - providing the infrared detector equipped with a photodiode and with a readout circuit connected to the photodiode, - lowering the temperature of the photodiode from a first temperature to a working temperature lower than the first temperature and lower than -73°C, - applying a forward bias to the terminals of the photodiode to generate a majority carrier current during lowering of the temperature from the first temperature to a second temperature higher than or equal to the working temperature, and - applying a reverse bias to the terminals of the photodiode after the photodiode has reached the working temperature so that the photodiode transforms an optic signal into an electric signal while keeping the temperature of the photodiode at the working temperature. - providing the infrared detector equipped with a photodiode and with a readout circuit connected to the photodiode, - lowering the temperature of the photodiode from a first temperature to a working temperature lower than the first temperature and lower than -73°C, - applying a forward bias to the terminals of the photodiode to generate a majority carrier current during lowering of the temperature from the first temperature to a second temperature higher than or equal to the working temperature, and - applying a reverse bias to the terminals of the photodiode after the photodiode has reached the working temperature so that the photodiode transforms an optic signal into an electric signal while keeping the temperature of the photodiode at the working temperature.
A method of imaging an object, comprising: generating electromagnetic radiation; directing the electromagnetic radiaton through a waveguide, wherein the electromagnetic radiation is guided through the waveguide by total internal reflection and the electromagnetic radiation impinges on the object and is reflected therefrom; spatially modulating the reflected electromagnetic radiation by visible light from a visible light source or by near infrared light from a near infrared source; detecting the spatially modulated reflected electromagnetic radiation; reconstructing an image of the object from the detected modulated reflected electromagnetic radiation; characterised in that: the object to be imaged is positioned on a spatial light modulator, SLM, which is illuminated by said visible or near infrared light to generate the spatial modulation of the electromagnetic radiation at the SLM, and said SLM is disposed or positioned on the waveguide to form an interface therewith; and the electromagnetic radiation is directed through the waveguide such that it impinges on the object to be imaged at the SLM/waveguide interface and is reflected therefrom. generating electromagnetic radiation; directing the electromagnetic radiaton through a waveguide, wherein the electromagnetic radiation is guided through the waveguide by total internal reflection and the electromagnetic radiation impinges on the object and is reflected therefrom; spatially modulating the reflected electromagnetic radiation by visible light from a visible light source or by near infrared light from a near infrared source; detecting the spatially modulated reflected electromagnetic radiation; reconstructing an image of the object from the detected modulated reflected electromagnetic radiation; characterised in that: the object to be imaged is positioned on a spatial light modulator, SLM, which is illuminated by said visible or near infrared light to generate the spatial modulation of the electromagnetic radiation at the SLM, and said SLM is disposed or positioned on the waveguide to form an interface therewith; and the electromagnetic radiation is directed through the waveguide such that it impinges on the object to be imaged at the SLM/waveguide interface and is reflected therefrom. the object to be imaged is positioned on a spatial light modulator, SLM, which is illuminated by said visible or near infrared light to generate the spatial modulation of the electromagnetic radiation at the SLM, and said SLM is disposed or positioned on the waveguide to form an interface therewith; and the electromagnetic radiation is directed through the waveguide such that it impinges on the object to be imaged at the SLM/waveguide interface and is reflected therefrom.
A femur repair implant comprising a shank connected by a neck to a head, said shank comprising, starting from the neck, a metaphyseal portion extended by a stem, the shank possessing a main axis (A-A') at an angle (α) relative to a secondary axis (B-B') of the neck, and the stem presenting two plane faces (17a, 17b) that are parallel to each other and to a sagittal plane (V-V) of the implant, said implant being characterized in that said plane faces are connected together by two non-plane faces provided with longitudinal anti-rotation elements.
Earplug comprising a plug member for blocking a person's ear canal, said plug member comprising at least one acoustic channel for channeling incoming acoustic energy into said person's ear, said earplug further comprising a detector for detecting an acoustic energy level or for detecting a control signal that is indicative for an acoustic energy level to be received, an acoustic valve positioned in said channel, and characterized by a control unit that, in response to said detector, controls said acoustic valve in such a way that said acoustic valve is actuated between a pass-through position with low attenuation and an attenuating position wherein the acoustic energy channeled through said acoustic channel is blocked so as to attenuate the acoustic energy channeled through said acoustic channel.
A device for generating a data packet, the device configured to: obtain payload data associated with a data source; compute a message authentication code based on a unique key of the data source and the payload data, wherein the unique key of the data source is unique within a plurality of data sources; obtain an auxiliary identifier for the data source, wherein a size of the auxiliary identifier is smaller than a size of an identifier of the data source, wherein the auxiliary identifier is ambiguous within the plurality of data sources and the identifier of the data source is unambiguous within the plurality of data sources; determine a checksum based on the payload data, the message authentication code, and the auxiliary identifier, wherein determining the checksum based on the payload data, the message authentication code, and the auxiliary identifier comprises performing an exclusive-or operation for the checksum with the auxiliary identifier; and generate the data packet, wherein the data packet comprises the payload data, the message authentication code, and the checksum and wherein the data packet does not include an explicit identifier of the data source. obtain payload data associated with a data source; compute a message authentication code based on a unique key of the data source and the payload data, wherein the unique key of the data source is unique within a plurality of data sources; obtain an auxiliary identifier for the data source, wherein a size of the auxiliary identifier is smaller than a size of an identifier of the data source, wherein the auxiliary identifier is ambiguous within the plurality of data sources and the identifier of the data source is unambiguous within the plurality of data sources; determine a checksum based on the payload data, the message authentication code, and the auxiliary identifier, wherein determining the checksum based on the payload data, the message authentication code, and the auxiliary identifier comprises performing an exclusive-or operation for the checksum with the auxiliary identifier; and generate the data packet, wherein the data packet comprises the payload data, the message authentication code, and the checksum and wherein the data packet does not include an explicit identifier of the data source.
A fluid mixer for mixing a first fluid and a second fluid comprising a vessel-shaped second fluid storing portion containing the second fluid therein and a cylindrical mixer body having an opening portion (12, 13) on both ends thereof forms therein: an axial flow path in which the first fluid introduced into the axial flow path through the opening portion at one end is made to flow therethrough in the axial direction and the first fluid is made to exit from the opening portion at the other end; and a spiral flow path in which the second fluid introduced into the spiral flow path through at least hole for introducing fluid into the mixer body formed in a peripheral wall of the mixer body is made to flow along an inner peripheral surface of the mixer body while being swirled in a spiral manner about an axis of the axial flow path so that the first fluid and the second fluid are mixed with each other and a mixture formed of the first fluid and the second fluid is made to exit from the opening potion at the other end, characterized in that: there is provided a plurality of slit-like holes for introducing fluid into the mixer body which extend with a predetermined acute angle with respect to the longitudinal direction are formed in a peripheral wall of the mixer body, and the respective holes for introducing fluid into the mixer body are arranged at intervals along a single imaginary spiral in the extending direction thereof; and the second fluid is sucked and flown into the mixer body through the plurality of slit-like holes by a pressure reduction effect caused by the first fluid flown through the axial flow path in the mixer body along the axial direction. there is provided a plurality of slit-like holes for introducing fluid into the mixer body which extend with a predetermined acute angle with respect to the longitudinal direction are formed in a peripheral wall of the mixer body, and the respective holes for introducing fluid into the mixer body are arranged at intervals along a single imaginary spiral in the extending direction thereof; and the second fluid is sucked and flown into the mixer body through the plurality of slit-like holes by a pressure reduction effect caused by the first fluid flown through the axial flow path in the mixer body along the axial direction.