Patents by Inventor Fredrik Karlsson

Fredrik Karlsson 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).

  • Network architecture, methods, and devices for a wireless communications network
    Patent number: 12231284
    Abstract: 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: Grant
    Filed: June 8, 2022
    Date of Patent: February 18, 2025
    Assignee: 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
  • A Hand-Held Electrically Powered Work Tool
    Publication number: 20220314422
    Abstract: A hand-held electrically powered cut-off tool (100, 200, 800, 1000, 1900) comprising a first part (110) and a second part (120) arranged vibrationally isolated from each other, the first part (110) comprising an arm (116) arranged to support a cutting disc (130) and an electric motor (140) arranged to drive the cutting disc, the second part (120) comprising front (190) and rear (195) handles for operating the cut-off tool, and a battery compartment (150) for holding an electrical storage device (220, 1800) such as a battery arranged to power the electric motor (140), wherein one or more damping members (170, 1910) are arranged in-between the first part (110) and the second part (120), where at least one damping member (170, 1910) is formed in a resilient material associated with a damping coefficient.
    Type: Application
    Filed: November 25, 2020
    Publication date: October 6, 2022
    Inventors: Fredrik Karlsson, Torbjörn Almqvist, Niklas Sundberg, Paul Johansson
  • A Dust Container Arrangement for Construction Sites
    Publication number: 20220241918
    Abstract: The present disclosure relates to a dust container arrangement (15, 120, 210) adapted to be fluidly coupled to a fan arrangement (13) comprised in a power tool (1) via an at least partly flexible dust conduit (14). The dust container arrangement (15, 120, 210) comprises a frame (100, 126) which in turn comprises a holder part (102, 123) with a container inlet (101, 125). The dust container arrangement (15, 120, 210) further comprises a first container (107, 121) and a second container (108), which containers (107, 108; 121) are releasably attached to the holder part (102, 123) in a sealed manner. The first container (107, 121) is air-permeable such that air (A1) that is blown into the container inlet (101, 125) is permitted to escape through a wall (115 132) of the first container (107, 121), while the second container (108) is air-tight during operation and adapted to receive dust (113A, 113B, 113C) that is brought into the container inlet (101, 125).
    Type: Application
    Filed: May 14, 2020
    Publication date: August 4, 2022
    Inventors: Fredrik Karlsson, Anders Reuterberg, Johan Sandwall, Tobias Gustafsson
  • Dust removal arrangement for an engine-driven tool
    Patent number: 11400531
    Abstract: The present disclosure relates to engine-driven tool (1) comprising a rotatable work tool (2) and an engine (4) for propelling a first driving pulley (28) via a clutch wheel (30) comprised in a power transferring unit (27) and having an outer edge. The first driving pulley (28) and the clutch wheel (30) arc arranged to rotate around a common driving axis (38). The power transferring unit (27) comprises an endless drive belt (9) that is arranged propel the rotatable work tool (2) when the first driving pulley (28) is propelled. A fan arrangement (13) is arranged to convey air front a dust channel (11) formed between a shielding cover (8) and the rotatable work tool (2), and comprises a fan turbine (26) that is connected to a fan pulley (29) connected to the drive belt (9) is arranged to propel the fan pulley (29).
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: August 2, 2022
    Assignee: HUSQVARNA AB
    Inventor: Fredrik Karlsson
  • A Hand-Held Electrically Powered Work Tool with Air Leaking Out in a Slot Between the Battery and Battery Compartment
    Publication number: 20220219308
    Abstract: A hand-held electrically powered cut-off tool (100, 200, 800, 1000, 1900, 2300) comprising a fan (145) arranged to be driven by an electric motor (140) to generate a flow of cooling air (160) and a battery compartment (150) comprising an electrical storage device (220, 1800), such as a battery, arranged to power the electric motor (140), wherein a cooling air conduit is arranged to guide the flow of cooling air (160) towards an outlet aperture (1750) formed in a wall of the battery compartment (150), where the outlet aperture (1750) faces a corresponding inlet aperture (1870) formed in an enclosure of the electrical storage device (220, 1800) for receiving cooling air and thereby generating an air pressure above atmospheric pressure in the electrical storage device (220, 1800), wherein a first slot section (Ss1) is formed by a distance between the outlet aperture (1750) and the inlet aperture (1870) such that a first portion (2415) of the flow of cooling air (160) air leaks out to an exterior of the cut-off t
    Type: Application
    Filed: November 25, 2020
    Publication date: July 14, 2022
    Inventors: Torbjörn Almqvist, Paul Johansson, Fredrik Karlsson
  • A Handheld Cut-Off Saw for Cutting Concrete and Stone, Comprising a Drive Arrangement for Driving A Circular Cutting Tool
    Publication number: 20220143870
    Abstract: A handheld cut-off saw (300) for cutting concrete and stone, the handheld cut-off saw comprising a drive arrangement (100, 200, 600, 800) for driving a circular cutting tool (110), the drive arrangement comprising: a belt drive portion (120) comprising a first pulley (121) and a second pulley (122), wherein the first pulley is arranged to be powered by a power source (130) and to drive the second pulley via a belt (123), wherein the second pulley (122) has a larger pitch diameter than the first pulley (121); and a gear transmission portion (140) comprising a first gearwheel (141) and a second gearwheel (142), wherein the first gearwheel (141) is co-axially connected to the second pulley (122) and radially connected to the second gearwheel (142), and wherein the second gearwheel (142) is arranged to be co-axially connected to the circular cutting tool (110).
    Type: Application
    Filed: February 20, 2020
    Publication date: May 12, 2022
    Inventors: Håkan Pinzani, Niklas Sundberg, Fredrik Karlsson
  • Dust removal arrangement for an engine-driven tool
    Patent number: 11059114
    Abstract: The present disclosure relates to engine-driven tool (1) comprising a rotatable work tool (2) and an engine (4) for propelling a first driving pulley (28) via a clutch wheel (30) comprised in a power transferring unit (27) and having an outer edge. The first driving pulley (28) and the clutch wheel (30) arc arranged to rotate around a common driving axis (38). The power transferring unit (27) comprises an endless drive belt (9) that is arranged propel the rotatable work tool (2) when the first driving pulley (28) is propelled. A fan arrangement (13) is arranged to convey air front a dust channel (11) formed between a shielding cover (8) and the rotatable work tool (2), and comprises a fan turbine (26) that is connected to a fan pulley (29) connected to the drive belt (9) is arranged to propel the fan pulley (29).
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: July 13, 2021
    Assignee: HUSQVARNA AB
    Inventor: Fredrik Karlsson
  • Process and arrangement for collecting and storing data related to a condition of an absorbent product
    Patent number: 10950340
    Abstract: A process for collecting and storing data related to a condition of an absorbent product is disclosed. The process includes the steps of: receiving, in a server unit, measurement data related to said condition; storing said measurement data in a first database; adapting said measurement data to a format in which it can be utilized by at least one application program configured for analyzing said condition; storing the adapted measurement data in a second database; and providing access to said second database from at least one application program arranged for analyzing said measurement data. Also disclosed is an arrangement for collecting and storing incontinence-related data.
    Type: Grant
    Filed: April 30, 2013
    Date of Patent: March 16, 2021
    Assignee: ESSITY HYGIENE AND HEALTH AKTIEBOLAG
    Inventors: Christer Olofsson Ranta, Anders Gustafsson, Fredrik Karlsson, Mattias Bosaeus, Kyrre Aalerud
  • Dust Removal Arrangement for an Engine-Driven Tool
    Publication number: 20210069807
    Abstract: The present disclosure relates to engine-driven tool (1) comprising a rotatable work tool (2) and an engine (4) for propelling a first driving pulley (28) via a clutch wheel (30) comprised in a power transferring unit (27) and having an outer edge. The first driving pulley (28) and the clutch wheel (30) arc arranged to rotate around a common driving axis (38). The power transferring unit (27) comprises an endless drive belt (9) that is arranged propel the rotatable work tool (2) when the first driving pulley (28) is propelled. A fan arrangement (13) is arranged to convey air front a dust channel (11) formed between a shielding cover (8) and the rotatable work tool (2), and comprises a fan turbine (26) that is connected to a fan pulley (29) connected to the drive belt (9) is arranged to propel the fan pulley (29).
    Type: Application
    Filed: November 23, 2020
    Publication date: March 11, 2021
    Inventor: Fredrik Karlsson
  • AN ENGINE-DRIVEN TOOL WITH A GENERATOR CONNECTED TO A FAN MOTOR
    Publication number: 20200261991
    Abstract: The present disclosure relates to an engine-driven tool (1) comprising a rotatable work tool (2), an engine (4) that is arranged to propel the rotatable work tool (2), a shielding cover (8) for shielding the rotatable work tool (2), and a dust channel (11) that is formed between the shielding cover (8) and the rotatable work tool (2). A dust hose (14) is arranged to connect the dust channel (11) to a dust container (17) and an electrically driven fan (16) that is arranged to convey air from the dust channel (11) into the dust container (17) via the dust hose (14). The engine-driven tool (1) comprises an electrical generator (18) that is electrically connectable to the fan motor (26) and is arranged to be at least indirectly driven by the engine (4). The electrical generator (18) is furthermore arranged to generate an electrical current when driven, where said electrical current at least indirectly is arranged to propel the fan motor (26).
    Type: Application
    Filed: October 25, 2017
    Publication date: August 20, 2020
    Inventor: Fredrik Karlsson
  • A DUST REMOVAL ARRANGEMENT FOR AN ENGINE-DRIVEN TOOL
    Publication number: 20190275596
    Abstract: The present disclosure relates to engine-driven tool (1) comprising a rotatable work tool (2) and an engine (4) for propelling a first driving pulley (28) via a clutch wheel (30) comprised in a power transferring unit (27) and having an outer edge. The first driving pulley (28) and the clutch wheel (30) arc arranged to rotate around a common driving axis (38). The power transferring unit (27) comprises an endless drive belt (9) that is arranged propel the rotatable work tool (2) when the first driving pulley (28) is propelled. A fan arrangement (13) is arranged to convey air front a dust channel (11) formed between a shielding cover (8) and the rotatable work tool (2), and comprises a fan turbine (26) that is connected to a fan pulley (29) connected to the drive belt (9) is arranged to propel the fan pulley (29).
    Type: Application
    Filed: November 1, 2017
    Publication date: September 12, 2019
    Inventor: Fredrik Karlsson
  • TREATMENT OF INTRAHEPATIC CHOLESTASIS AND RELATED LIVER DISEASES
    Publication number: 20180369297
    Abstract: The invention is directed to a method of treating or reducing the risk of intrahepatic cholestasis in a subject in need thereof, comprising administering to the subject a therapeutically effective amount of a composition comprising at least one bacterial species or strain comprising bile acid deconjugation/hydrolysis activity and/or 7-epimerization activity, thereby treating or reducing the risk of intrahepatic cholestasis in a subject in need thereof. Compositions for use in such methods are also provided.
    Type: Application
    Filed: December 14, 2016
    Publication date: December 27, 2018
    Inventors: Fredrik Karlsson, Bo Mollstam
  • METHOD AND SYSTEM FOR CALCULATING A POSITION OF A MOBILE COMMUNICATION DEVICE WITHIN AN ENVIRONMENT
    Publication number: 20170339528
    Abstract: A position determining system and method for calculating a position of a mobile communication device within an environment is presented. The position determining system comprises a memory comprising a logical model of the environment; a status signal receiver configured to receive a status signal pertaining to a status of the environment; and logical circuitry configured to: dynamically update the logical mode of the environment based on the status signal; estimate one or more sets of geographic coordinates of the mobile communication device; map match the estimated one or more sets of geographic coordinates of the mobile communication device to the dynamically updated logical mod& of the environment; and calculate the position of the mobile communication device within the environment based on the map match.
    Type: Application
    Filed: May 12, 2017
    Publication date: November 23, 2017
    Inventors: Oskar GRÖNQVIST, Fredrik KARLSSON
  • Method for improved indoor positioning and crowd sourcing using PDR
    Patent number: 9736809
    Abstract: The invention is directed to determining a position of a mobile device. An exemplary method comprises scanning a wireless signal associated with the mobile device; measuring a signal strength associated with the wireless signal; determining a timestamp associated with the measurement; and determining a position of the mobile device based on the signal strength measurement and the timestamp. The present invention is useful for both positioning a user of the mobile device and for locating an access point.
    Type: Grant
    Filed: February 5, 2014
    Date of Patent: August 15, 2017
    Assignees: Sony Corporation, Sony Mobile Communications Inc.
    Inventors: Magnus Persson, Martin Karlsson, Fredrik Karlsson
  • Liquid dispensing system
    Patent number: 9604297
    Abstract: The present invention relates to liquid dispensing system for a rotatable work tool (2), comprising a control valve (13), an inlet and outlet liquid guiding device (11, 15). The control valve (13) comprises a housing (18) with a rotatable drum part (19) arranged to rotate. The housing (18) comprises inlet and outlet tubes (21, 22) arranged to be connected to the liquid guiding devices (11, 15). The tubes (21, 11) have corresponding inlet and outlet openings (23) facing the drum part (19). The drum part (19) comprises a first seal (25) and a third seal (27), the seals (25, 27) running around the drum part (19). The third seal (27) has an extension (34) running partially along the first seal (25), such that a first and second volume (28, 29) are formed. Each opening (23, 24) is connected to one of the volumes, or both. At least one volume (29) enables fluid connection between the openings (23, 24) that is variable by means of the third seal (27) moving over one or more of the openings (23).
    Type: Grant
    Filed: February 5, 2013
    Date of Patent: March 28, 2017
    Assignee: HUSQVARNA AB
    Inventors: Fredrik Karlsson, Hans Petersson
  • METHOD FOR IMPROVED INDOOR POSITIONING AND CROWD SOURCING USING PDR
    Publication number: 20160278039
    Abstract: The invention is directed to determining a position of a mobile device. An exemplary method comprises scanning a wireless signal associated with the mobile device; measuring a signal strength associated with the wireless signal; determining a timestamp associated with the measurement; and determining a position of the mobile device based on the signal strength measurement and the timestamp. The present invention is useful for both positioning a user of the mobile device and for locating an access point.
    Type: Application
    Filed: February 5, 2014
    Publication date: September 22, 2016
    Inventors: Magnus Persson, Martin Karlsson, Fredrik Karlsson
  • Group-III nitride structure
    Patent number: 9337389
    Abstract: Group-III nitride structure comprising at least one structure pyramid having a base having at least four sides. The structure pyramid comprises an inner pyramid having a base having at least four sides, which inner pyramid is made of a first group-III nitride. The inner pyramid is coated with an inner first layer made of a second group-III nitride and an outer second layer made of a third group-III nitride, wherein the second group-III nitride has a lower band gap than the first group-III nitride and a lower band gap than the third group-III nitride. The base of the structure pyramid is elongated resulting in an upper ridge creating at least one anisotropic quantum dot.
    Type: Grant
    Filed: June 26, 2013
    Date of Patent: May 10, 2016
    Assignee: POLAR LIGHT TECHNOLOGIES AB
    Inventors: Anders Lundskog, Chih-Wei Hsu, Fredrik Karlsson
  • PROCESS AND ARRANGEMENT FOR COLLECTING AND STORING DATA RELATED TO A CONDITION OF AN ABSORBENT PRODUCT
    Publication number: 20160078176
    Abstract: A process for collecting and storing data related to a condition of an absorbent product is disclosed. The process includes the steps of: receiving, in a server unit, measurement data related to said condition; storing said measurement data in a first database; adapting said measurement data to a format in which it can be utilized by at least one application program configured for analyzing said condition; storing the adapted measurement data in a second database; and providing access to said second database from at least one application program arranged for analyzing said measurement data. Also disclosed is an arrangement for collecting and storing incontinence-related data.
    Type: Application
    Filed: April 30, 2013
    Publication date: March 17, 2016
    Inventors: Christer Olofsson RANTA, Anders GUSTAFSSON, Fredrik KARLSSON, Mattias BOSAEUS, Kyrre AALERUD
  • OPTIMIZED NICKEL ALLOY AND TURBINE BLADE MADE THEREOF
    Publication number: 20160032426
    Abstract: A nickel alloy includes a proportion by weight of Cr of 12.3% to 13.7%, a proportion by weight of Al of 4.3% to 4.7% and a proportion by weight of Co of 4% to 6%. The components are preferably Cr, Mo, Re and/or W, Al, Ti, Ta, Hf, Si, reactive elements including actinides and lanthanides, C, optionally the components Zr and/or B. The proportions by weight are selected such that both a desired high creep resistance and also a desired high hot corrosion resistance are achieved. A turbine blade is made of the nickel alloy.
    Type: Application
    Filed: January 22, 2014
    Publication date: February 4, 2016
    Inventors: Magnus Hasselqvist, Fredrik Karlsson
  • A LIQUID DISPENSING SYSTEM
    Publication number: 20150367432
    Abstract: The present invention relates to liquid dispensing system for a rotatable work tool (2), comprising a control valve (13), an inlet and outlet liquid guiding device (11, 15). The control valve (13) comprises a housing (18) with a rotatable drum part (19) arranged to rotate. The housing (18) comprises inlet and outlet tubes (21, 22) arranged to be connected to the liquid guiding devices (11, 15). The tubes (21, 11) have corresponding inlet and outlet openings (23) facing the drum part (19). The drum part (19) comprises a first seal (25) and a third seal (27), the seals (25, 27) running around the drum part (19). The third seal (27) has an extension (34) running partially along the first seal (25), such that a first and second volume (28, 29) are formed. Each opening (23, 24) is connected to one of the volumes, or both. At least one volume (29) enables fluid connection between the openings (23, 24) that is variable by means of the third seal (27) moving over one or more of the openings (23).
    Type: Application
    Filed: February 5, 2013
    Publication date: December 24, 2015
    Applicant: HUSQVARNA AB
    Inventors: Fredrik Karlsson, Hans Petersson