Patents by Inventor Ulf Carlsson
Ulf Carlsson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12231284Abstract: Methods and apparatus in a fifth-generation wireless communications network, including an example method, in a wireless device, that includes determining a reporting quality threshold for a parameter related to channel state information (CSI); performing a measurement for each of a plurality of beams from a first predetermined set of beams for evaluation; evaluating the measurement for each of the plurality of beams against the reporting quality threshold; discontinuing the performing and evaluating of measurements in response to determining that the reporting quality threshold is met for one of the beams, such that one or more beams in the first predetermined set of beams are not measured and evaluated; and reporting, to the wireless communications network, CSI for the one of the beams.Type: GrantFiled: June 8, 2022Date of Patent: February 18, 2025Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Stefan Parkvall, Janne Peisa, Gunnar Mildh, Robert Baldemair, Stefan Wager, Jonas Kronander, Karl Werner, Richard Abrahamsson, Ismet Aktas, Peter Alriksson, Junaid Ansari, Shehzad Ali Ashraf, Henrik Asplund, Fredrik Athley, Håkan Axelsson, Joakim Axmon, Johan Axnäs, Kumar Balachandran, Gunnar Bark, Jan-Erik Berg, Andreas Bergström, Håkan Björkegren, Nadia Brahmi, Cagatay Capar, Anders Carlsson, Andreas Cedergren, Mikael Coldrey, Icaro L. J. da Silva, Erik Dahlman, Ali El Essaili, Ulrika Engström, Mårten Ericson, Erik Eriksson, Mikael Fallgren, Rui Fan, Gabor Fodor, Pål Frenger, Jonas Fridén, Jonas Fröberg Olsson, Anders Furuskär, Johan Furuskog, Virgile Garcia, Ather Gattami, Fredrik Gunnarsson, Ulf Gustavsson, Bo Hagerman, Fredrik Harrysson, Ning He, Martin Hessler, Kimmo Hiltunen, Songnam Hong, Dennis Hui, Jörg Huschke, Tim Irnich, Sven Jacobsson, Niklas Jaldén, Simon Järmyr, Zhiyuan Jiang, Martin Johansson, Niklas Johansson, Du Ho Kang, Eleftherios Karipidis, Patrik Karlsson, Ali S. Khayrallah, Caner Kilinc, Göran N. Klang, Sara Landström, Christina Larsson, Gen Li, Bo Lincoln, Lars Lindbom, Robert Lindgren, Bengt Lindoff, Fredrik Lindqvist, Jinhua Liu, Thorsten Lohmar, Qianxi Lu, Lars Manholm, Ivana Maric, Jonas Medbo, Qingyu Miao, Reza Moosavi, Walter Müller, Elena Myhre, Johan Nilsson, Karl Norrman, Bengt-Erik Olsson, Torgny Palenius, Sven Petersson, Jose Luis Pradas, Mikael Prytz, Olav Queseth, Pradeepa Ramachandra, Edgar Ramos, Andres Reial, Thomas Rimhagen, Emil Ringh, Patrik Rugeland, Johan Rune, Joachim Sachs, Henrik Sahlin, Vidit Saxena, Nima Seifi, Yngve Selén, Eliane Semaan, Sachin Sharma, Cong Shi, Johan Sköld, Magnus Stattin, Anders Stjernman, Dennis Sundman, Lars Sundström, Miurel Isabel Tercero Vargas, Claes Tidestav, Sibel Tombaz, Johan Torsner, Hugo Tullberg, Jari Vikberg, Peter von Wrycza, Thomas Walldeen, Anders Wallen, Pontus Wallentin, Hai Wang, Ke Wang Helmersson, Jianfeng Wang, Yi-Pin Eric Wang, Niclas Wiberg, Emma Wittenmark, Osman Nuri Can Yilmaz, Ali Zaidi, Zhan Zhang, Zhang Zhang, Yanli Zheng
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Publication number: 20230182095Abstract: The invention relates to a method for controlling a flow generator (1) in a tank (20) configured for housing a liquid comprising solid matter, the flow generator (1) comprising an impeller and being located at a height (h-mixer) in the tank (20) and the tank (20) having a predetermined maximum filling height (h-max), wherein the flow generator (1) is configured to be operated at a variable operational speed (n) and the demand of operational speed (n-demand) is dependent on the present liquid level height (h-present) in the tank (20), wherein a max operational speed (n-max) of the flow generator (1) is the operational speed required when the liquid level in the tank (20) is equal to the maximum filling height (h-max), the present operational speed (n-present) being set equal to the demand of operational speed (n-demand) of the flow generator (1) that is determined using the formula: ( n - present ) = ( n - demand ) = ( n - max ) [ ( h - max ) / ( h - present ) ] ^ a at leaType: ApplicationFiled: May 19, 2021Publication date: June 15, 2023Applicant: Xylem Europe GmbHInventors: Peter Loman, Ulf Carlsson, Andrew Nicholas Dames
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Publication number: 20210340931Abstract: Methods and systems, using a controller (20), for performing fuel pressure control operation of an engine (12) having at least one cylinder (16) is disclosed. The controller (20) includes a fuel system control unit (42) configured to control a fuel pressure applied to at least one injector (18) of the engine (12) during a motoring condition period (412) based on a commanded pulse train duration (410). During the motoring condition period (412), no combustion occurs in the at least one cylinder (16) of the engine (12). The commanded pulse train duration is a time period during which the at least one injector (18) of the engine (12) is activated for a drain operation. The fuel system control unit (42) is configured to command the at least one injector (18), for the commanded pulse train duration during the motoring condition period (412), to release fuel from the at least one injector (18) without injecting the fuel into the at least one cylinder (16) of the engine (12).Type: ApplicationFiled: May 24, 2021Publication date: November 4, 2021Inventors: David M. Carey, Syed Shah Jalal, Richard J. Dudek, Ulf Carlsson, Paul Peavler
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Patent number: 11015548Abstract: Methods and systems, using a controller (20), for performing fuel pressure control operation of an engine (12) having at least one cylinder (16) is disclosed. The controller (20) includes a fuel system control unit (42) configured to control a fuel pressure applied to at least one injector (18) of the engine (12) during a motoring condition period (412) based on a commanded pulse train duration (410). During the motoring condition period (412), no combustion occurs in the at least one cylinder (16) of the engine (12). The commanded pulse train duration is a time period during which the at least one injector (18) of the engine (12) is activated for a drain operation. The fuel system control unit (42) is configured to command the at least one injector (18), for the commanded pulse train duration during the motoring condition period (412), to release fuel from the at least one injector (18) without injecting the fuel into the at least one cylinder (16) of the engine (12).Type: GrantFiled: December 14, 2017Date of Patent: May 25, 2021Assignee: Cummins Inc.Inventors: David M. Carey, Syed Shah Jalal, Richard J. Dudek, Ulf Carlsson, Paul Peavler
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Publication number: 20210071612Abstract: Methods and systems, using a controller (20), for performing fuel pressure control operation of an engine (12) having at least one cylinder (16) is disclosed. The controller (20) includes a fuel system control unit (42) configured to control a fuel pressure applied to at least one injector (18) of the engine (12) during a motoring condition period (412) based on a commanded pulse train duration (410). During the motoring condition period (412), no combustion occurs in the at least one cylinder (16) of the engine (12). The commanded pulse train duration is a time period during which the at least one injector (18) of the engine (12) is activated for a drain operation. The fuel system control unit (42) is configured to command the at least one injector (18), for the commanded pulse train duration during the motoring condition period (412), to release fuel from the at least one injector (18) without injecting the fuel into the at least one cylinder (16) of the engine (12).Type: ApplicationFiled: December 14, 2017Publication date: March 11, 2021Inventors: David Michael Carey, Jalal Syed, Richard J. Dudek, Ulf Carlsson
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Publication number: 20200408181Abstract: A system for protecting a high-pressure accumulator fuel injection system of an internal combustion engine against excessively high fuel pressures occurring in a high-pressure accumulator of the fuel injection system caused by a malfunction in the fuel injection, wherein the system comprises a member measuring the fuel pressure inside the high-pressure accumulator and sending information about this pressure to a control unit. An electrically controllable inlet valve to a pumping element of a high-pressure pump is included in the system and controlled by the control unit to be transferred to a continuously open or closed state, if the pressure measured exceeds a predetermined pressure level for stopping the feeding of fuel by the pumping element to the high-pressure accumulator.Type: ApplicationFiled: February 2, 2017Publication date: December 31, 2020Inventors: Kim KYLSTRÖM, Ulf CARLSSON
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Patent number: 10310360Abstract: Flash tubes for photographic use, in particular, a flash tube is adapted to provide a light output adapted to FP-sync, Flat Peak. The flash tube includes a length of glass tubing enclosing a gas for use in the flash tube, a cathode inside a first end part of glass tubing and an anode inside a second end part of glass tubing. The cathode includes an element that helps to ionize the gas that is wound around the cathode, such that a spark stream starts from the upper part of the cathode and is prevented from spreading down wards on the cathode and changing the arc length during the light output adapted to FP-sync.Type: GrantFiled: February 25, 2016Date of Patent: June 4, 2019Assignee: PROFOTO ABInventors: Anton Falk, Ulf Carlsson, Carl Johan Grubbström
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Patent number: 10085092Abstract: A flash generator is capable of identifying which type of flash head and flash head extension cables that is connected to the flash generator. A flash head and flash head extension cable can be identified by the flash generator. The flash generator provides a power supply to a flash head. Further the flash generator includes a first current generator for charging the capacitor. The flash generator further includes a second current generator or a voltage generator connected to an output of the flash generator and arranged to provide a current or a voltage to create a voltage UID over a component in a flash head or a flash head extension cable connected to the flash generator. Processing means are arranged to identify the flash head or the flash head extension cable by the measured voltage UID.Type: GrantFiled: February 25, 2016Date of Patent: September 25, 2018Assignee: PROFOTO ABInventors: Anton Falk, Ulf Carlsson
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Patent number: 10041430Abstract: The present disclosure provides a system for adjusting a fuel injector drive signal during a fuel injection event wherein the system comprises an engine having a fuel injector, a fuel control module configured to generate control signals corresponding to a desired fueling profile of a fuel injection event, and a fueling profile interface module that outputs drive profile signals to the fuel injector in response to the control signals to cause the fuel injector to deliver an actual fueling profile, wherein the fueling profile interface module changes the drive profile signals during the fuel injection event in response to a parameter signal indicating a characteristic of the actual fueling profile.Type: GrantFiled: September 16, 2014Date of Patent: August 7, 2018Assignee: CUMMINS INC.Inventors: Jalal Syed, Ulf Carlsson, Rodney J. Hemmerlein, Douglas W. Memering
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Publication number: 20180109877Abstract: A flash generator is capable of identifying which type of flash head and flash head extension cables that is connected to the flash generator. A flash head and flash head extension cable can be identified by the flash generator. The flash generator provides a power supply to a flash head. Further the flash generator includes a first current generator for charging the capacitor. The flash generator further includes a second current generator or a voltage generator connected to an output of the flash generator and arranged to provide a current or a voltage to create a voltage UID over a component in a flash head or a flash head extension cable connected to the flash generator. Processing means are arranged to identify the flash head or the flash head extension cable by the measured voltage UID.Type: ApplicationFiled: February 25, 2016Publication date: April 19, 2018Inventors: Anton FALK, Ulf CARLSSON
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Publication number: 20180052384Abstract: Flash tubes for photographic use, in particular a flash tube is adapted to provide a light output adapted to FP-sync, Flat Peak. The flash tube includes a length of glass tubing enclosing a gas for use in the flash tube, a cathode inside a first end part of glass tubing and an anode inside a second end part of glass tubing. The cathode includes an element that helps to ionize the gas that is wound around the cathode, such that a spark stream starts from the upper part of the cathode and is prevented from spreading down wards on the cathode and changing the arc length during the light output adapted to FP-sync.Type: ApplicationFiled: February 25, 2016Publication date: February 22, 2018Inventors: Anton FALK, Ulf CARLSSON, Carl Johan GRUBBSTRÖM
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Patent number: 9624807Abstract: A method pertaining to a liquid supply system which supplies liquid to a feed device (230) via which liquid is supplied to at least one consumption point (250): Determining presence of air supplied upstream to the feed device (230), and, when presence of air is found, of reducing operating power of the feed device (230) compared with ordinary operation. Also a computer program product containing program code (P) for a computer (200; 210) for implementing the method. Also a device and a motor vehicle (100) which is equipped with the device.Type: GrantFiled: June 20, 2011Date of Patent: April 18, 2017Assignee: SCANIA CV ABInventors: Lars Eriksson, Ulf Carlsson
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Patent number: 9523299Abstract: A method for cooling a dosing unit (250) pertaining to an SCR system for exhaust cleaning, wherein after cessation of exhaust flow, cooling a reducing agent dosing unit (250) by a reducing agent supplied to it. Also running a feed device to supply the coolant reducing agent at reduced power, compared with ordinary operation. A computer program product containing program code (P) for a computer (200; 210) implements a method of the invention. Also an SCR system and a motor vehicle which is equipped with the SCR system are disclosed.Type: GrantFiled: June 20, 2011Date of Patent: December 20, 2016Assignee: SCANIA CV ABInventors: Andreas Liljestrand, Per Bremberg, Ulf Carlsson, Lars Eriksson
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Patent number: 9426870Abstract: A generator for a flash device includes at least a first capacitor bank, which includes at least one capacitor of a first type and at least a second capacitor bank, which includes at least one capacitor of a second type. The first capacitor bank is connectable to a charger via a first switch and the second capacitor bank is connectable to a charger via a second switch. The generator is configured to individually control the first switch and the second switch so that the first capacitor bank and the second capacitor bank can be individually charged to the same or different voltages. Since the first capacitor bank and the second capacitor bank can be simultaneously discharged, it is possible to achieve a desired energy level and color temperature from a flash device connected to the generator.Type: GrantFiled: September 6, 2013Date of Patent: August 23, 2016Assignee: PROFOTO ABInventors: Anton Falk, Ulf Carlsson
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Publication number: 20160222905Abstract: The present disclosure provides a system for adjusting a fuel injector drive signal during a fuel injection event wherein the system comprises an engine having a fuel injector, a fuel control module configured to generate control signals corresponding to a desired fueling profile of a fuel injection event, and a fueling profile interface module that outputs drive profile signals to the fuel injector in response to the control signals to cause the fuel injector to deliver an actual fueling profile, wherein the fueling profile interface module changes the drive profile signals during the fuel injection event in response to a parameter signal indicating a characteristic of the actual fueling profile.Type: ApplicationFiled: September 16, 2014Publication date: August 4, 2016Applicant: CUMMINS INC.Inventors: Jalal Syed, Ulf Carlsson, Rodney J. Hemmerlein, Douglas W. Memering
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Patent number: 9222385Abstract: A method pertaining to an SCR system for exhaust cleaning, includes deciding about a need, after cessation of an exhaust flow, to cool a reducing agent dosing unit (250) by a reducing agent supplied to it, and includes predicting a temperature pattern of the dosing unit (250) as a basis for deciding about the need and predicting whether a predetermined temperature of the dosing unit will be reached after cessation of exhaust flow. Also a computer program product containing program code (P) for implementing the method, an SCR system and a motor vehicle which is equipped with the SCR system are disclosed.Type: GrantFiled: June 20, 2011Date of Patent: December 29, 2015Assignee: SCANIA CV ABInventors: Andreas Liljestrand, Per Bremberg, Ulf Carlsson, Lars Eriksson, Erik Gustafsson
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Patent number: 9200557Abstract: A method pertaining to an SCR system in which reducing agent in liquid form is supplied to a feed device (230) and via which feed device reducing agent is supplied to at least one consumption point (250) from a container (205): the steps of continuously detecting the feed pressure (P) which the feed device (230) furnishes, and controlling the operation of the feed device (230) on the basis of changes (P?) in the feed pressure (P), with the object of reducing the impact of unwanted air supply at the feed device (230). Also pertaining to a computer program product containing program code (P) for a computer (200; 210) for implementing a method according to the invention. Also an SCR system and a motor vehicle which is equipped with the SCR system are disclosed.Type: GrantFiled: June 20, 2011Date of Patent: December 1, 2015Assignee: SCANIA CV ABInventors: Lars Eriksson, Ulf Carlsson, Andreas Liljestrand, Per Bremberg
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Publication number: 20150329113Abstract: A method and a system for adjusting set points for regulating the velocity of a vehicle: The velocity regulation uses at least one cruise control and one downhill speed control. A cruise control controls an engine system with a velocity set point vref based on a selected set velocity vset. The downhill speed control controls a brake system with a braking set point vdhsc—ref based on a downhill speed control velocity vdhsc, wherein the downhill speed control velocity vdhsc is related to the set velocity vset by an offset voffset. The velocity set point vref and the braking set point vdhsc—ref are adjusted by at least one shift vshift, which has a value corresponding to the offset voffset, vshift=voffset, wherein the adjustment is performed based on an actual behavior of the vehicle. As high an actual average velocity as possible is achieved hereby.Type: ApplicationFiled: March 26, 2013Publication date: November 19, 2015Inventor: Ulf CARLSSON
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Publication number: 20150245453Abstract: A generator for a flash device includes a first capacitor bank with at least one capacitor of a first type. The first capacitor bank is connectable to a charger via a first switch, and connected to an output via a first component which only allows current flow from the first capacitor bank to the output. A second capacitor bank includes at least one capacitor of a second type connectable to the charger via a second switch, and connected to the output via a second component which only allows current flow from the second capacitor bank to the output. The generator individually controls the first and second switches so that each of the first and second capacitor banks can be individually charged to the same or different voltages. A flash trigger switch is connected to a trigger output for providing a trigger voltage to a flash device connectable to the generator.Type: ApplicationFiled: September 6, 2013Publication date: August 27, 2015Inventors: Anton Falk, Ulf Carlsson
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Publication number: 20140217884Abstract: The present invention relates to the field of flash tubes for photographic use, in particular to a flash tube comprising a trigger element for triggering a flash in the flash tube. Accordingly, a flash tube is provided.Type: ApplicationFiled: May 3, 2012Publication date: August 7, 2014Applicant: Profoto ABInventors: Anton Falk, Ulf Carlsson