Patents Assigned to SENTEC AS
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Publication number: 20240164658Abstract: The invention relates to a device and a method for determination of a measure for the homogeneity of the lung based on electrical impedance tomography (EIT) data as well as to a computer program. The device (100) comprises a data input unit (112), receiving the EIT data obtained by means of an electrical impedance tomography apparatus (110), wherein the data input unit (112) is configured to receive and provide EIT data from at least one region of at least one lung (2) of a living being over an observation period (?T). The device (100) also comprises a calculation and control unit (114) connected to the data input unit (112). The calculation and control unit (114) is configured to determine impedance values over the observation period (?T) for each pixel (1) of the at least one region of at least one lung (2), to determine an impedance amplitude value (?Z) and an end-expiratory impedance values (EELI) for each pixel (1) of at least one lung (2).Type: ApplicationFiled: March 15, 2022Publication date: May 23, 2024Applicant: SenTec AGInventor: Lisa KRUKEWITT
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Patent number: 11860198Abstract: Mutual inductance-type current sensing apparatus (1) is described which includes a mutual inductance current sensor (11) having a first transfer function. The apparatus (1) also includes a low-pass filter (12) which receives a signal from the current sensor (11). The low-pass filter (12) has a second transfer function configured to attenuate one or more harmonic components of the signal. The apparatus (1) also includes an analogue-to-digital converter (13) which receives and digitises a filtered signal output from the low-pass filter. The apparatus (1) also includes a controller (8) configured to process a digitised signal from the analogue-to-digital converter (13) using a digital processing chain configured to compensate for the frequency and phase responses of the first transfer function and the second transfer function.Type: GrantFiled: November 19, 2019Date of Patent: January 2, 2024Assignee: SENTEC LTDInventors: Andrew Dames, Mark England, Joseph Adam
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Publication number: 20230396187Abstract: A power module includes two power input terminals, two main substrates, a plurality of first switches, a plurality of second switches, and a bridge main unit. The bridge main unit is across the two main substrates, and includes a first bridge subunit and a second bridge subunit. Each of the first bridge subunit and the second bridge subunit includes a first conducting region on a bottom surface, and a second conducting region and a third conducting region on a top surface. The first conducting region transmits a current signal of a current path of a switch circuit formed by the power input terminals, the first switches, and the second switches. The second conducting region is connected to the control terminals of the first switches and the second switches. The third conducting region is connected to the output terminals of the first switches and the second switches.Type: ApplicationFiled: March 31, 2023Publication date: December 7, 2023Applicant: SENTEC E&E CO., LTD.Inventors: Jason An Cheng Huang, Liang-Yo Chen, Kun-Tzu Chen, Nai-Hsi Hu
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Patent number: 11793418Abstract: A system for EIT imaging comprises an electrode array for positioning on a patient and measuring an impedance distribution, a data entry unit and a calculation unit. The electrode array contains a visual aid coupled to the electrode array for visually indicating the position of at least one electrode, the data entry module accepts an entry of data describing the position of the visual aid, and the calculation unit calculates the position of the individual electrodes relative to the patient's body and provides correction for the image creation algorithm. A sensor device for EIT imaging may comprise the electrode array, which is connectable to an EIT imaging system comprising a data entry unit and a calculation unit. An EIT imaging method may employ the system or sensor device.Type: GrantFiled: November 11, 2017Date of Patent: October 24, 2023Assignee: SENTEC AGInventors: Peter Krammer, Andreas Waldmann, Josef Brunner
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Patent number: 11784011Abstract: An electricity meter comprising an electrically-controlled electromechanical switch is disclosed. The electromechanical switch comprises a rotary actuator comprising a generally-cylindrical permanent magnet rotor having a central axis, a stator comprising a closed stator core and first and second opposite stator poles inwardly-projecting from the closed stator core towards the rotor and first and second coils wound around the first and second stator poles respectively. The electromechanical switch comprises a switch comprising at least one pair of first and second contacts wherein the first contact is movable. The electromechanical switch comprises mechanical linkage between the rotary actuator and the movable contact(s) configured such that rotation of the rotor from a first angular position to a second angular position causes the switch to be opened, and rotation from the second angular position to the first angular position causes the switch to be closed.Type: GrantFiled: October 20, 2021Date of Patent: October 10, 2023Assignee: SENTEC LTD.Inventors: Andrew Nicholas Dames, Michael Cantor, Lawrence Born, James Evett
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Patent number: 11650087Abstract: An ultrasonic meter (28) for measuring a flow-rate of a fluid is described. The ultrasonic meter (28) includes a flow conduit (5) for the fluid. The flow conduit (5) extends along a first axis (6) between a first opening (7) and a second opening (8). The ultrasonic meter (28) also includes one or more pairs of ultrasonic transducers (2, 3). Each pair of ultrasonic transducers (2, 3) is configured to define a corresponding beam path (9) intersecting the flow conduit (5) within a measurement region (12) of the flow conduit (5). The measurement region (12) spans between a first position (z1) and a second position (z2) spaced apart along the first axis (6). One or more portions of the measurement region (12) which are outside of any of the one or more beam paths (9) correspond to non-sampled volumes (12b). The ultrasonic meter (28) also includes one or more protrusions (34) extending along the first axis (6).Type: GrantFiled: March 13, 2019Date of Patent: May 16, 2023Assignee: SENTEC LTD.Inventors: Ben Davey, Charlie Paterson
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Publication number: 20230080614Abstract: A metal honeycomb substrate includes a tubular body, a flat plate, and a wavy plate. The tubular body has a receiving portion. The wavy plate is stacked with the flat plate to form a spiral structure received in the receiving portion. The wavy plate has a wavy-shaped cross section and includes a second region and a continuous region connected to the second region. The wavy-shaped cross section includes peak portions and valley portions. The wavy plate has a solder region overlapping at least one portion of at least one of the second region and the continuous region. Solders are on outer sides of the peak portions and outer sides of the valley portions which are in the solder region. A ratio of an area of the solder region to an area of the wavy plate is in a range between substantially 20% and substantially 66%.Type: ApplicationFiled: July 28, 2022Publication date: March 16, 2023Applicant: SENTEC E&E CO., LTD.Inventors: Hung-Chang He, Pei-Hua Han
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Patent number: 11506303Abstract: A valve position sensor is described. The valve position sensor includes a sensor housing for placement on a moving component of a valve. A print circuit board assembly is disposed within the housing. The print circuit board assembly includes one or more micro sensors that includes a magnetometer and a gyroscope. A processing unit performs a calibration routine that associates magnetometer data received from the magnetometer with valve position data received from the gyroscope. The processing unit receives data from the magnetometer and compares the received magnetometer data with the calibration data to determine valve position data relating to an estimate of the valve position. A transmitter wirelessly transmits event data including valve position data to an external receiver.Type: GrantFiled: April 19, 2018Date of Patent: November 22, 2022Assignee: SENTEC ASInventors: Øystein Gismervik, Ronny Karlsen, Jørn R Sandø
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Patent number: 11502436Abstract: Apparatus (2) is described including one or more signal sources (6). The apparatus (2) also includes a measurement front end (7) having at least first (+Vin)) and second (?Vin) inputs. The apparatus (2) also includes a substantially planar connector (1) having a length (L) between first (1a) and second (1b) ends and supporting a number of conductors (3) spanning between the first (1a) and second (1b) ends. At each point between the first (1a) and second (1b) ends the conductors (3) are substantially equi-spaced from one another within the substantially planar connector (1). The conductors (3) include at least one signal conductor (8) connecting the signal sources (6) to the first input (+Vin). The conductors (3) also include at least two further conductors (10, 11) connecting to the one or more signal sources (6). One or both of the two further conductors (10, 11) also connect to the second input (?Vin).Type: GrantFiled: December 10, 2019Date of Patent: November 15, 2022Assignee: SENTEC LTDInventor: Andrew Dames
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Patent number: 11428566Abstract: A level sensor assembly (10) for measuring physical properties indicative of a quality of a urea solution (AdBlue/DEF), where at least a portion of said level sensor assembly (10) is inserted in a tank (50), said level sensor assembly (10) comprises a header unit (12) mounted in an aperture of the tank (50); heating tubes (20) inserted in the tank for heating/thawing the urea solution in the tank (50) and one or more tubes (22) for suction of urea solution from the tank (50), said tubes (20,22) being connected to the header unit (12); and a level sensor (24,26) for measuring level of urea solution in the tank (50). Further, a detachable UQS sensor (30) is installed in the header unit (12), said UQS sensor (30) being at least partly submerged in a liquid pool (32) of urea solution in the header unit (12), and the liquid pool (32) in the header unit (12) comprises a compressible and/or expanding bottom (34).Type: GrantFiled: October 3, 2018Date of Patent: August 30, 2022Assignee: SENTEC ASInventors: Øystein Gismervik, Jørn R. Sandø, Torsten Artz
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Patent number: 11414323Abstract: A treatment method for reducing carbon dioxide emission of combustion exhaust gas includes: a caustic soda synthesis step; a treatment step of reducing carbon dioxide emission of combustion exhaust gas; and a recycling step. In the caustic soda synthesis step, a natural sodium carbonate aqueous solution (Na2CO3) prepared by dissolving natural sodium carbonate ore powder composed of Na2CO3 and NaHCO3 in a caustic soda aqueous solution is used to generate a caustic soda aqueous solution and calcium carbonate precipitate by a causticization reaction with slaked lime, and solid-liquid separation is performed to obtain a synthetic caustic soda aqueous solution. In the treatment step, the synthetic caustic soda aqueous solution and purified combustion exhaust gas are brought into gas-liquid countercurrent contact so that carbon dioxide in the exhaust gas is absorbed by the synthetic caustic soda aqueous solution and immobilized as sodium carbonate.Type: GrantFiled: April 11, 2019Date of Patent: August 16, 2022Assignees: SENTEC CO. LTD.Inventors: Nanao Horiishi, Hiromoto Ueno
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Patent number: 11259723Abstract: A sensor (1) for detection of gas, in particular for detection of CO2. The sensor (1) has a contact face (2) which is directed towards a measuring site. The sensor (1) includes at least one radiation source (3), a measurement volume (4) for receiving the gas to be measured, and at least a first detector (5) for detection of radiation transmitted from the source (3) to the first detector (5) through the measurement volume (4). The sensor has a path (6) of the radiation between radiation source (3) and first detector (5). The radiation propagates along the path in a non-imaging way.Type: GrantFiled: April 15, 2019Date of Patent: March 1, 2022Assignee: SenTec AGInventors: Dominik Rudmann, Peter Matthias Schumacher, Joseph Lang, Simon Caruel, Christoph Ellenberger-Girard, Ross Stanley, Rolf Eckert, Branislav Timotijevic, Maurizio Tormen
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Patent number: 11054291Abstract: An electromagnetic flow sensor for an electromagnetic flow meter (201) is disclosed. The sensor comprises a body (204) or frame, a flow passage (252) through the body or frame, a part of a magnetic circuit (248, 295) supported by the body or frame for applying a magnetic field across the flow passage, and at least first and second electrodes (298) supported by the body or frame, the at least first and second electrodes arranged to sense a voltage in response to a conductive fluid flowing through the flow passage. At least a portion of the body supporting the magnetic circuit part and the at least first and second electrodes is configured to be insertable into a flow tube (206) through a single aperture in the flow tube.Type: GrantFiled: July 28, 2016Date of Patent: July 6, 2021Assignee: SENTEC LTDInventors: Andrew Nicholas Dames, Carl Martin Hayton
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Patent number: 11043911Abstract: A motor control device with built-in shunt resistor and power transistor is disclosed, comprising a high-thermally conductive substrate; an electrically conductive circuit which is thermo-conductively installed on the high-thermally conductive substrate and includes a first thermal connection pad portion and a second thermal connection pad portion mutually spaced apart; a high power transistor conductively connected to the electrical conducive circuit; and a shunt resistor conductively connected to the high power transistor, respectively including a body whose thermal expansion coefficient is greater than that of the high-thermally conductive substrate, as well as a pair of welding portions extending from the body, in which the body has a prescribed width, and the width of the welding portion is greater than the prescribed width, and the body and the high-thermally conductive substrate are spaced apart such that, upon welding the welding portion to the first thermal connection pad portion and the second thermType: GrantFiled: November 22, 2019Date of Patent: June 22, 2021Assignees: ICP Technology Co., Ltd., Sentec E&E Co., Ltd.Inventors: Ho-Chieh Yu, Chen-Cheng-Lung Liao, Chun-Yu Lin, Jason An Cheng Huang
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Publication number: 20200232840Abstract: A level sensor assembly (10) for measuring physical properties indicative of a quality of a urea solution (AdBlue/DEF), where at least a portion of said level sensor assembly (10) is inserted in a tank (50), said level sensor assembly (10) comprises a header unit (12) mounted in an aperture of the tank (50); heating tubes (20) inserted in the tank for heating/thawing the urea solution in the tank (50) and one or more tubes (22) for suction of urea solution from the tank (50), said tubes (20,22) being connected to the header unit (12); and a level sensor (24,26) for measuring level of urea solution in the tank (50). Further, a detachable UQS sensor (30) is installed in the header unit (12), said UQS sensor (30) being at least partly submerged in a liquid pool (32) of urea solution in the header unit (12), and the liquid pool (32) in the header unit (12) comprises a compressible and/or expanding bottom (34).Type: ApplicationFiled: October 3, 2018Publication date: July 23, 2020Applicant: SENTEC ASInventors: ØYSTEIN GISMERVIK, JØRN R. SANDØ, TORSTEN ARTZ
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Patent number: 10627273Abstract: A method for an ultrasonic time-of-flight flow meter (1) includes driving an ultrasonic transducer (2, 3) using a first waveform (V1(t)) for a first duration (?t1), the first waveform (V1(t)) configured to cause oscillation (21) of the ultrasonic transducer (2, 3). The method also includes driving the ultrasonic transducer (2, 3) using a second waveform (V2(t)) for a second duration (?t2). There is a discontinuity between the first waveform (V1(t)) and the second waveform (V2(t)). The second waveform (V2(t)) and the second duration (?t2) are configured to maintain a voltage (VT(t)) across the ultrasonic transducer (2, 3) within a predetermined range (VH, VL).Type: GrantFiled: August 30, 2018Date of Patent: April 21, 2020Assignee: Sentec Ltd.Inventors: Wenpeng Deng, Jan Bennett, David Healy, Andrew Nicholas Dames, James William Evett
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Patent number: 10554103Abstract: A flexible high-power control device is disclosed for controlling at least one high-power electrical generating/consuming device which has a plurality of electrical terminals and a housing with a non-planar surface and is thermal-conductively connected to an active cooling unit. The flexible high-power control device comprises a flexible thermal-conductive interfacial insulation substrate, at least one circuit layer, and at least one electronic element. The interfacial insulation substrate is attached to the non-planar surface of the electrical generating/consuming device. The circuit layer, which is disposed on the interfacial insulation substrate, includes a plurality of electrical terminals which are electrically connected to the electrical terminals of the electrical generating/consuming device. The electronic element is electrically mounted on the circuit layer to form a control circuit for controlling the electrical generating/consuming device.Type: GrantFiled: September 10, 2016Date of Patent: February 4, 2020Assignee: SENTEC E&E CO., LTD.Inventors: An-Tai Huang, Chun-Hung Lin
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Patent number: 10323851Abstract: A UV tube for killing microorganisms in a fluid generally includes a hollow tubular body, a UV isolation layer, and at least one UV light source. The hollow tubular body has an inlet port, an outlet port, and a fluid channel portion between the inlet port and the outlet port. The fluid channel portion has an inner surface. The UV isolation layer is disposed at the inner surface of the hollow tubular body for sheltering the inner surface of the hollow tubular body. The fluid is allowed to flow through the UV isolation layer. The UV light source is provided at the hollow tubular body and/or the UV isolation layer. The UV isolation layer can absorb and/or reflect the ultraviolet light emitting from the UV light source, so that the possibility of the fluid channel portion being irradiated by the UV light can be reduced.Type: GrantFiled: December 22, 2017Date of Patent: June 18, 2019Assignee: Sentec E&E Co., Ltd.Inventors: Jason An-Cheng Huang, Tzu-Chi Cheng
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Patent number: 10307090Abstract: A sensor (1) for detection of gas, in particular for detection of CO2. The sensor (1) has a contact face (2) which can be directed towards a measuring site. The sensor (1) includes at least one radiation source (3), a measurement volume (4) for receiving the gas to be measured, and at least a first detector (5) for detection of radiation transmitted from the source (3) to the first detector (5) through the measurement volume (4). The sensor has a path (6) of the radiation between radiation source (3) and first detector (5). The radiation propagates along the path in a non-imaging way.Type: GrantFiled: July 21, 2014Date of Patent: June 4, 2019Assignee: SenTec AGInventors: Dominik Rudmann, Peter Matthias Schumacher, Joseph Lang, Simon Caruel, Christoph Ellenberger-Girard, Ross Stanley, Rolf Eckert, Branislav Timotijevic, Maurizio Tormen
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Patent number: D906518Type: GrantFiled: July 16, 2018Date of Patent: December 29, 2020Assignee: SenTec AGInventors: Peter Krammer, Bruce Eric Fifield