Patents by Inventor Per Knutsson

Per Knutsson 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).

  • Publication number: 20240089618
    Abstract: This disclosure provides systems, methods, and devices for vehicle driving assistance systems that support image processing for vehicular monitoring operations. In a first aspect, a method of image processing includes receiving image data from an image sensor comprising a red-clear-clear-green (RCCG) color filter, wherein the image data comprises a first channel corresponding to red, a second channel corresponding to clear, and a third channel corresponding to green, wherein the image data is in a logarithmic domain; and processing the image data by performing operations including linearization, tone mapping, demosaicing, and color mapping. Other aspects and features are also claimed and described.
    Type: Application
    Filed: September 8, 2022
    Publication date: March 14, 2024
    Inventors: Per Knutsson, Henrik Eliasson, Leif Lindgren
  • Publication number: 20240066813
    Abstract: A method for manufacturing a thermoplastic unit is described. The method may include injecting a thermoplastic material into a mold cavity. The method may also include curing the thermoplastic material to form the thermoplastic unit. The method may further include annealing the thermoplastic unit, after curing, at an annealing temperature under a Tg of the thermoplastic material.
    Type: Application
    Filed: September 3, 2022
    Publication date: February 29, 2024
    Inventor: Per Knutsson
  • Publication number: 20230225432
    Abstract: This invention relates to a face mask (100, 200, 300) comprising a central area (40), comprising a fabric material (45), an elastic area (20), extending laterally at least partially from the central area (40) and comprising an elastic material (15), and being connected to the central area (40) at an interface section (30). Further, the elastic area (20) comprises an adhesive (11) provided on a bottom surface (12) of the elastic material (15) along at least a portion of a periphery of the face mask (100, 200, 300), forming an adhesive sealing profile (10). A space between the intersection section (30) and the sealing profile (10) comprising the elastic material (15) is an intermediate elastic area (25).
    Type: Application
    Filed: September 20, 2021
    Publication date: July 20, 2023
    Applicant: Soliver AB
    Inventor: Per KNUTSSON
  • Publication number: 20220401655
    Abstract: A plunger rod (104) for use in connection with a syringe barrel (102) is provided. The plunger rod (104) comprises a distal plunger top (105), having a proximal bottom surface (113), and a proximal elongated shaft (106) comprising a proximal end (107a) adapted to receive an applied force along an axis (1000) and a distal end plate (107b) adapted to transmit said applied force along said axis (1000). The plunger rod (104) is adapted to be inserted into the barrel (102) of a syringe (100) extending along the axis (1000). The distal plunger top (105) and the proximal elongated shaft (106) are connected to each other by a releasable connection (115). The releasable connection (115) comprises: distal top rupture means (116) comprising at least one distal top rib (125a) disposed eccentrically from the axis (1000) on the proximal bottom surface (113), and proximal shaft rupture means (117) comprising at least one proximal shaft rib (125b) disposed eccentrically from the axis (1000) on the distal end plate (107b).
    Type: Application
    Filed: November 5, 2020
    Publication date: December 22, 2022
    Applicant: KRUI Medical AB
    Inventor: Per KNUTSSON
  • Patent number: 11431958
    Abstract: A vision system (10) for a motor vehicle with a stereo imaging apparatus (11) with imaging devices (12) adapted to capture images from a surrounding of the motor vehicle, and a processing device (14) adapted to process images captured by the imaging devices (12) and to detect objects, and track detected objects over several time frames, in the captured images. The processing device (14) is adapted to obtain an estimated value for the intrinsic yaw error of the imaging devices (12) by solving a set of equations, belonging to one particular detected object (30), using a non-linear equation solver method, where each equation corresponds to one time frame and relates a frame time, a disparity value of the particular detected object, an intrinsic yaw error and a kinematic variable of the vehicle.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: August 30, 2022
    Assignee: VEONEER SWEDEN AB
    Inventors: Leif Lindgren, Fredrik Medley, Per Knutsson
  • Patent number: 11324928
    Abstract: A needle assembly for percutaneously infusing fluids to a body and/or withdrawing fluids from a body is provided. The needle assembly comprises a polymeric body having a passageway in a proximodistal direction. A wing assembly is secured to the body, and the wing assembly including first and second wings extending laterally in opposite directions from said body. A hollow needle is arranged in said passageway, such that it extends distally from said body, wherein said needle is press fitted or interference fitted in said passageway.
    Type: Grant
    Filed: February 4, 2014
    Date of Patent: May 10, 2022
    Assignee: Greiner Bio-One GmbH
    Inventor: Per Knutsson
  • Patent number: 11202887
    Abstract: A needle tip shielding device, comprising a base plate with a hole extending there through from the proximal side of the base plate to the distal side of the base plate, and at least one resilient arm extending at an attachment point at said base plate (101) is provided. The resilient arm has a resting state wherein a distal hook of the resilient arm will coincide with a straight imaginary line extending longitudinally through said hole in the axial direction of said base plate. The resilient arm comprises a knob at its distal end, said knob extending laterally from the resilient arm. The knob is shaped with an outer curvature in the transversal plane around an axis parallel to the central axis of the needle tip shielding device and said knob is shaped with an outer curvature in the midsaggital plane around an axis perpendicular to the central axis of the needle tip shielding device.
    Type: Grant
    Filed: April 7, 2016
    Date of Patent: December 21, 2021
    Assignee: VIGMED AB
    Inventor: Per Knutsson
  • Patent number: 11032452
    Abstract: A camera module (12) for a motor vehicle having a lens assembly (20), a housing (22) with a back plate (32) and a lens holder (53). The back plate (32) carries an image sensor (24) within the housing (22). The lens holder (53) is mounted to the back plate (32) and holds the lens objective (20) such that the image sensor (24) is arranged in or close to an image plane (A) of the lens objective (20). The back plate (32) is formed of at least one bi-material element (31) holding the image sensor (24). The bi-material element (31) having at least two layers (33, 34) of materials having significantly different thermal properties and being joined together such that the bi-material element (31) is adapted to bend with changing temperature.
    Type: Grant
    Filed: May 10, 2017
    Date of Patent: June 8, 2021
    Assignee: VEONEER SWEDEN AB
    Inventors: Per Knutsson, Peter Fredriksson
  • Publication number: 20210146064
    Abstract: A syringe (100) comprising a barrel (111) with a lumen is provided. The barrel (111) is adapted to contain a drug, the barrel (111) having a distal end wall portion (198) and a tubular wall (112) extending proximally from said distal end wall portion (198), whereby the barrel (111) extends along an axis (1000). The distal end wall portion (198) has an opening (199) extending into a syringe head (140) adapted to receive a syringe needle, said syringe head (140) having a lumen smaller in transversal cross-section than the barrel lumen; the syringe (100) further comprising: a plunger (196) extending along the axis, said plunger shaft being displaceable along the axis (1000) within said barrel (111).
    Type: Application
    Filed: April 15, 2019
    Publication date: May 20, 2021
    Applicant: KRUI Medical AB
    Inventor: Per KNUTSSON
  • Publication number: 20210121636
    Abstract: The present invention discloses a plunger rod (104) for use in connection with an injection syringe barrel (102). The plunger rod (104) comprises an elongated rod (114). The elongated rod (114) comprises a proximal end (107) adapted to receive an applied force along an axis (1000). It further comprises a distal end (105) adapted to transmit the applied force along the axis (1000). The plunger rod (104) is adapted to be inserted into a barrel (102) of a syringe (100) extending along the axis (1000). The plunger rod (104) is further adapted to transmit force along the axis (1000) to a plunger stopper (103) disposed within the barrel (102). The plunger rod (104) further comprises a radial spring mechanism (106, 117, 118, 119, 120), adapted to interact with an inner surface of the barrel (102).
    Type: Application
    Filed: March 21, 2019
    Publication date: April 29, 2021
    Applicant: KRUI Medical AB
    Inventor: Per KNUTSSON
  • Publication number: 20200322588
    Abstract: A vision system (10) for a motor vehicle with a stereo imaging apparatus (11) with imaging devices (12) adapted to capture images from a surrounding of the motor vehicle, and a processing device (14) adapted to process images captured by the imaging devices (12) and to detect objects, and track detected objects over several time frames, in the captured images. The processing device (14) is adapted to obtain an estimated value for the intrinsic yaw error of the imaging devices (12) by solving a set of equations, belonging to one particular detected object (30), using a non-linear equation solver method, where each equation corresponds to one time frame and relates a frame time, a disparity value of the particular detected object, an intrinsic yaw error and a kinematic variable of the vehicle.
    Type: Application
    Filed: May 31, 2017
    Publication date: October 8, 2020
    Applicant: VEONEER SWEDEN AB
    Inventors: LEIF LINDGREN, FREDRIK MEDLEY, PER KNUTSSON
  • Patent number: 10639431
    Abstract: Needle shielding systems are disclosed. The needle shielding system comprises a needle, a cover sleeve, and a needle shield. The needle has a needle tip and a needle bulge spaced apart from the needle tip. The cover sleeve is slidably mounted over the needle and comprises an end portion having an internal diameter smaller than the width of the needle bulge, and a cover sleeve shaft extending from the end portion towards the needle tip and having an internal diameter larger than the width of the needle bulge. The needle shield comprises a base plate slidably mounted over the needle adjacent to the end portion, and at least one resilient arm extending from the base plate towards the needle tip. In use the needle shield and cover sleeve move along the needle until the end portion contacts the needle bulge and the cover sleeve shaft and the arm cover the needle tip.
    Type: Grant
    Filed: July 27, 2016
    Date of Patent: May 5, 2020
    Assignee: Vigmed AB
    Inventor: Per Knutsson
  • Patent number: 10602034
    Abstract: A camera module for a motor vehicle includes a lens objective, a lens holder holding said lens objective, and a back plate connected to said lens holder and holding an image sensor in or close to an image plane of the lens objective. The alignment of the lens holder relative to the back plate is fixed by a glue joint between the lens holder and the back plate.
    Type: Grant
    Filed: May 5, 2015
    Date of Patent: March 24, 2020
    Assignee: VEONEER SWEDEN AB
    Inventors: Per Knutsson, Peter Fredriksson
  • Publication number: 20190166289
    Abstract: A camera module (12) for a motor vehicle having a lens assembly (20), a housing (22) with a back plate (32) and a lens holder (53). The back plate (32) carries an image sensor (24) within the housing (22). The lens holder (53) is mounted to the back plate (32) and holds the lens objective (20) such that the image sensor (24) is arranged in or close to an image plane (A) of the lens objective (20). The back plate (32) is formed of at least one bi-material element (31) holding the image sensor (24). The bi-material element (31) having at least two layers (33, 34) of materials having significantly different thermal properties and being joined together such that the bi-material element (31) is adapted to bend with changing temperature.
    Type: Application
    Filed: May 10, 2017
    Publication date: May 30, 2019
    Applicant: VEONEER SWEDEN AB
    Inventors: PER KNUTSSON, PETER FREDRIKSSON
  • Publication number: 20190001074
    Abstract: Needle shielding systems are disclosed. The needle shielding system comprises a needle, a cover sleeve, and a needle shield. The needle has a needle tip and a needle bulge spaced apart from the needle tip. The cover sleeve is slidably mounted over the needle and comprises an end portion having an internal diameter smaller than the width of the needle bulge, and a cover sleeve shaft extending from the end portion towards the needle tip and having an internal diameter larger than the width of the needle bulge. The needle shield comprises a base plate slidably mounted over the needle adjacent to the end portion, and at least one resilient arm extending from the base plate towards the needle tip. In use the needle shield and cover sleeve move along the needle until the end portion contacts the needle bulge and the cover sleeve shaft and the arm cover the needle tip.
    Type: Application
    Filed: July 27, 2016
    Publication date: January 3, 2019
    Applicant: Vigmed AB
    Inventor: Per KNUTSSON
  • Publication number: 20180304048
    Abstract: A needle tip shielding device, comprising a base plate with a hole extending there through from the proximal side of the base plate to the distal side of the base plate, and at least one resilient arm extending at an attachment point at said base plate (101) is provided. The resilient arm has a resting state wherein a distal hook of the resilient arm will coincide with a straight imaginary line extending longitudinally through said hole in the axial direction of said base plate. The resilient arm comprises a knob at its distal end, said knob extending laterally from the resilient arm. The knob is shaped with an outer curvature in the transversal plane around an axis parallel to the central axis of the needle tip shielding device and said knob is shaped with an outer curvature in the midsaggital plane around an axis perpendicular to the central axis of the needle tip shielding device.
    Type: Application
    Filed: April 7, 2016
    Publication date: October 25, 2018
    Inventor: Per Knutsson
  • Patent number: 10054757
    Abstract: A motor vehicle camera module (12) having a lens assembly (20), a housing (22) forming a front end (50) surrounding an opening (28), an image sensor (24) carried by a back wall (32) within the housing (22) adjacent an image plane (A). The housing (22) having a lens holder (53) between the front end (50) and the back wall (32). The camera module (12) has a tube (26) fixed to the lens holder (53) at the front end (50). The tube (26) surrounds the opening (28) and extends from the opening (28) into the housing (22). The lens assembly (20) is connected to a tube bottom end section by threads (71, 72). The thermal expansion coefficient of the tube (26) is higher than that of the lens holder (53). The threads (71, 72) extends over less than half of the axial length (hL) of the lens assembly (20).
    Type: Grant
    Filed: May 7, 2014
    Date of Patent: August 21, 2018
    Assignee: VEONEER SWEDEN AB
    Inventors: Per Knutsson, Peter Fredriksson
  • Patent number: 9883086
    Abstract: A camera module for a motor vehicle having a lens objective, a lens holder holding said lens objective, and a back plate connected to said lens holder and holding an image sensor in or close to an image plane of the lens objective. The materials, shapes and/or relative positions of the components of the lens objective are designed to keep the image plane in or close to the sensitive plane of the image sensor over an operating temperature range of the camera module.
    Type: Grant
    Filed: May 5, 2015
    Date of Patent: January 30, 2018
    Assignee: AUTOLIV DEVELOPMENT AB
    Inventors: Per Knutsson, Peter Fredriksson, Bo Malmborg, Mikael Johansson, Melih Gunes
  • Patent number: 9844647
    Abstract: A spring clip needle tip shielding device for arrangement in a catheter hub of an intravenous catheter assembly is provided. The spring clip needle tip shielding device comprises a base plate with a hole extending therethrough and at least one resilient arm extending at an attachment point at said base plate. The at least one resilient arm has a resting state, from which it may be urged to yield free passage through said hole in an axial direction of said base plate in a tension state, said at least one resilient arm being adapted for clamping a needle tip of a needle extending through said hole when said resilient arm is in said resting state. Any straight imaginary line extending longitudinally through said hole in the axial direction of said base plate coincides with said at least one resilient arm when said resilient arm is in said resting state of said body. The spring clip needle tip shielding device is of a rigid material, and at least a part thereof is coated with a solid lubricant.
    Type: Grant
    Filed: January 2, 2014
    Date of Patent: December 19, 2017
    Assignee: VIGMED AB
    Inventor: Per Knutsson
  • Patent number: 9844646
    Abstract: A closed IV catheter system, includes a needle shield assembly positioned proximally of a catheter hub and distally of the needle hub. The needle shield assembly cooperates with the catheter hub on the outer circumferential and peripheral surface of the catheter hub. The needle shield adds additional length and width to the closed IV catheter system. An improved manufacturing process with unique materials is also presented.
    Type: Grant
    Filed: June 7, 2013
    Date of Patent: December 19, 2017
    Assignee: VIGMED AB
    Inventor: Per Knutsson