Patents by Inventor Hakan Bergstrom

Hakan Bergstrom 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).

  • Patent number: 11966545
    Abstract: A touch sensing apparatus is disclosed comprising a panel that defines a touch surface, a plurality of light emitters and detectors arranged along a perimeter of the panel. The light emitters are arranged to emit a respective beam of emitted light that travels above the touch surface, wherein the light detectors are arranged to receive detection light from the emitted light. The plurality of light emitters and detectors are arranged above the touch surface and are connected to a substrate extending in a direction parallel with a normal axis of a plane in which the panel extends. A method of assembling a touch sensing apparatus is also disclosed.
    Type: Grant
    Filed: October 18, 2022
    Date of Patent: April 23, 2024
    Assignee: FlatFrog Laboratories AB
    Inventors: Daniel Skagmo, Robert Ehn, Hakan Bergstrom
  • Publication number: 20240111367
    Abstract: An interaction system for receiving gesture input from an object is disclosed comprising a panel having a surface and a perimeter, the surface extending in a plane having a normal axis, a sensor configured to detect incident light from the object, a processor in communication with the sensor and being configured to determine a position of the object relative the surface based on the incident light, when the object is at a distance from the surface along the normal axis, determine the gesture input based on said position, and output a control signal to control the interaction system based on the gesture input.
    Type: Application
    Filed: February 9, 2022
    Publication date: April 4, 2024
    Inventors: Ola Wassvik, Håkan Bergström, Aleksander Kocovski
  • Patent number: 11916835
    Abstract: A method, performed in a User Equipment (UE), is disclosed. The method is for facilitating the establishing of a UE processing configuration for the selective enhancement of radio signals received or transmitted by the UE. The method comprises receiving from a Transmission Point (TP) of a wireless network an indication that an identified reference signal is usable by the UE for establishing a UE processing configuration, and receiving the identified reference signal from a Transmission Point of the wireless network.
    Type: Grant
    Filed: December 10, 2021
    Date of Patent: February 27, 2024
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Niclas Wiberg, Håkan Andersson, Andreas Bergström, Johan Furuskog
  • Patent number: 11914819
    Abstract: An assembly for holding and controlling curvature of a glass plate for an optical touch sensitive system is described. The assembly comprising a first frame element extending in a first plane and configured to extend at least partially around a panel; at least one second frame element extending in a second plane and forming a support portion for the plate, and at least one spacing element positioned at least partially between the support portion and the first frame element. The spacing element us configured to control a curvature of the first frame element and wherein the at least one second frame element is configured to engage the plate at the support portion. is attached to the first frame element, and is tiltable, by controlling the curvature of the rust frame element with said spacing element, to control a curvature of the plate.
    Type: Grant
    Filed: January 30, 2023
    Date of Patent: February 27, 2024
    Assignee: FlatFrog Laboratories
    Inventors: Aleksander Kocovski, Hakan Bergstrom, Jens Thorvinger
  • Patent number: 11907480
    Abstract: An assembly for holding and controlling curvature of a glass plate for an optical touch sensitive system is described. The assembly comprising a first frame element extending in a first plane and configured to extend at least partially around a panel; at least one second frame element extending in a second plane and forming a support portion for the plate, and at least one spacing element positioned at least partially between the support portion and the first frame element. The spacing element us configured to control a curvature of the first frame element and wherein the at least one second frame element is configured to engage the plate at the support portion, is attached to the first frame element, and is tiltable, by controlling the curvature of the first frame element with said spacing element, to control a curvature of the plate.
    Type: Grant
    Filed: June 27, 2023
    Date of Patent: February 20, 2024
    Assignee: FlatFrog Laboratories AB
    Inventors: Aleksander Kocovski, Hakan Bergstrom, Jens Thorvinger
  • Patent number: 11893189
    Abstract: A touch sensing apparatus is disclosed comprising a panel having a touch surface, emitters and detectors arranged along a perimeter, a light directing portion arranged adjacent the perimeter and comprising a light directing surface, the emitters and/or the detectors are arranged opposite a rear surface of the panel to emit and/or receive light through a channel in a frame element, the channel is arranged opposite the rear surface and extends in a direction of a normal axis of the touch surface, the light directing surface and the channel are arranged on opposite sides of the panel and overlap in the direction of the plane, the light directing surface receive light from the emitters, or direct light to the detectors, through the panel and through the channel, in the direction of the normal axis. A method of manufacturing a frame element for a touch sensing apparatus is disclosed.
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: February 6, 2024
    Assignee: FlatFrog Laboratories AB
    Inventors: Håkan Bergström, Tomas Svensson
  • Patent number: 11868568
    Abstract: A method for assembling a touch sensing apparatus comprising a display panel, a plate comprising a top surface and a bottom surface opposite the top surface, and a frame assembly, wherein the plate has a first curvature along at least a first edge of the top surface of the plate when uncoupled with the frame assembly. The method comprises the steps of arranging a plurality of light emitters alongside a periphery of the plate, the plurality of light emitters configured to emit light propagating over the top surface; arranging a plurality of detectors alongside the periphery of the plate, the plurality of detectors configured to receive light emitted from the plurality of light emitters; and coupling the display panel, the plate, and the frame assembly, wherein the step of coupling causes the first curvature of the plate to change to a second curvature.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: January 9, 2024
    Assignee: FlatFrog Laboratories AB
    Inventors: Aleksander Kocovski, Hakan Bergstrom, Jens Thorvinger
  • Publication number: 20240004501
    Abstract: A touch sensing apparatus is disclosed, comprising a light transmissive panel that defines a touch surface, an opposite rear surface, and panel sides extending between the touch surface and rear surface. The panel sides define a perimeter of the light transmissive panel. The touch sensing apparatus comprises a plurality of light emitters and detectors arranged along the perimeter and adjacent the panel sides, a light guide arranged along the perimeter and having a first reflective surface comprising a diffusive light scattering element.
    Type: Application
    Filed: July 6, 2023
    Publication date: January 4, 2024
    Inventors: Håkan Bergström, Aleksander KOCOVSKI
  • Publication number: 20230400948
    Abstract: A touch sensing apparatus is disclosed comprising a panel that defines a touch surface extending in a plane having a normal axis, a plurality of emitters and detectors arranged along a perimeter of the panel, a light directing portion arranged adjacent a panel side of the panel, the panel side extending in a longitudinal direction along the perimeter, perpendicular to the normal axis, the light directing portion comprising a light directing surface, wherein the emitters are arranged to emit light and the light directing surface is arranged to receive the emitted light and direct the light across the touch surface, and wherein an optical axis (A) of the emitted light is at an angle from the normal axis so that a vector component (Ay) of the optical axis is greater than zero in the longitudinal direction of the panel side.
    Type: Application
    Filed: November 17, 2021
    Publication date: December 14, 2023
    Inventors: Håkan BERGSTRÖM, Tomas SVENSSON
  • Publication number: 20230367431
    Abstract: A touch sensing apparatus is disclosed comprising a panel that defines a touch surface, a plurality of light emitters and detectors arranged along a perimeter of the panel. The light emitters are arranged to emit a respective beam of emitted light that travels above the touch surface, wherein the light detectors are arranged to receive detection light from the emitted light. The plurality of light emitters and detectors are arranged above the touch surface and are connected to a substrate extending in a direction parallel with a normal axis of a plane in which the panel extends. A method of assembling a touch sensing apparatus is also disclosed.
    Type: Application
    Filed: October 18, 2022
    Publication date: November 16, 2023
    Inventors: Daniel Skagmo, Robert Ehn, Hakan Bergstrom
  • Publication number: 20230359309
    Abstract: A touch sensing apparatus is provided comprising: a light transmissive panel that defines a touch surface, a plurality of light emitters and detectors arranged along a perimeter of the light transmissive panel, a plurality of optical components arranged along the perimeter of the light transmissive panel, wherein the light emitters are arranged to emit a respective beam of emitted light and the optical components are configured to direct the emitted light to a path across the light transmissive panel. Optionally, optical components comprise a light guide arranged to receive light from the light emitters through a first surface and couple out light travelling in the light guide to the touch surface through a second surface. The second surface may be diffusively transmissive. The light guide may further comprise a reflective surface configured to internally reflect light travelling in the light guide from the first surface to the diffusive surface.
    Type: Application
    Filed: April 10, 2023
    Publication date: November 9, 2023
    Inventors: Håkan Bergström, Thomas Craven-Bartle, Lars Rippe
  • Publication number: 20230341976
    Abstract: An assembly for holding and controlling curvature of a glass plate for an optical touch sensitive system is described. The assembly comprising a first frame element extending in a first plane and configured to extend at least partially around a panel; at least one second frame element extending in a second plane and forming a support portion for the plate, and at least one spacing element positioned at least partially between the support portion and the first frame element. The spacing element us configured to control a curvature of the first frame element and wherein the at least one second frame element is configured to engage the plate at the support portion, is attached to the first frame element, and is tiltable, by controlling the curvature of the first frame element with said spacing element, to control a curvature of the plate.
    Type: Application
    Filed: June 27, 2023
    Publication date: October 26, 2023
    Inventors: Aleksander Kocovski, Hakan Bergstrom, Jens Thorvinger
  • Publication number: 20230315234
    Abstract: A method for assembling a touch sensing apparatus comprising a display panel, a plate comprising a top surface and a bottom surface opposite the top surface, and a frame assembly, wherein the plate has a first curvature along at least a first edge of the top surface of the plate when uncoupled with the frame assembly. The method comprises the steps of arranging a plurality of light emitters alongside a periphery of the plate, the plurality of light emitters configured to emit light propagating over the top surface; arranging a plurality of detectors alongside the periphery of the plate, the plurality of detectors configured to receive light emitted from the plurality of light emitters; and coupling the display panel, the plate, and the frame assembly, wherein the step of coupling causes the first curvature of the plate to change to a second curvature.
    Type: Application
    Filed: February 15, 2022
    Publication date: October 5, 2023
    Inventors: Aleksander Kocovski, Hakan Bergstrom, Jens Thorvinger
  • Patent number: 11740741
    Abstract: A touch sensing apparatus is disclosed, comprising a light transmissive panel that defines a touch surface, an opposite rear surface, and panel sides extending between the touch surface and rear surface. The panel sides define a perimeter of the light transmissive panel. The touch sensing apparatus comprises a plurality of light emitters and detectors arranged along the perimeter and adjacent the panel sides, a light guide arranged along the perimeter and having a first reflective surface comprising a diffusive light scattering element.
    Type: Grant
    Filed: September 19, 2022
    Date of Patent: August 29, 2023
    Assignee: FlatFrog Laboratories AB
    Inventors: Håkan Bergström, Aleksander Kocovski
  • Publication number: 20230229266
    Abstract: A touch sensing apparatus is disclosed comprising a panel that defines a touch surface, a plurality of emitters and detectors arranged along a perimeter of the light transmissive panel, and a light directing arrangement arranged adjacent the perimeter. The emitters are arranged to emit a respective beam of emitted light and the light directing arrangement is arranged to direct the light along a light path from the emitters to the touch surface. A diffusive light scattering element is arranged in the light path.
    Type: Application
    Filed: January 17, 2023
    Publication date: July 20, 2023
    Inventors: Håkan Bergström, Thomas Craven-Bartle, Tomas SVENSSON
  • Publication number: 20230168774
    Abstract: An assembly for holding and controlling curvature of a glass plate for an optical touch sensitive system is described. The assembly comprising a first frame element extending in a first plane and configured to extend at least partially around a panel; at least one second frame element extending in a second plane and forming a support portion for the plate, and at least one spacing element positioned at least partially between the support portion and the first frame element. The spacing element us configured to control a curvature of the first frame element and wherein the at least one second frame element is configured to engage the plate at the support portion, is attached to the first frame element, and is tiltable, by controlling the curvature of the first frame element with said spacing element, to control a curvature of the plate.
    Type: Application
    Filed: January 30, 2023
    Publication date: June 1, 2023
    Inventors: Aleksander KOCOVSKI, Hakan Bergstrom, Jens Thorvinger
  • Publication number: 20230168775
    Abstract: A touch sensing apparatus is disclosed comprising a panel that defines a touch surface, a plurality of light emitters and detectors arranged along a perimeter of the panel. The light emitters are arranged to emit a respective beam of emitted light that travels above the touch surface, wherein the light detectors are arranged to receive detection light from the emitted light. The plurality of light emitters and detectors are arranged above the touch surface and are connected to a substrate extending in a direction parallel with a normal axis of a plane in which the panel extends. A method of assembling a touch sensing apparatus is also disclosed.
    Type: Application
    Filed: January 31, 2023
    Publication date: June 1, 2023
    Inventors: Daniel SKAGMO, Robert Ehn, Hakan Bergstrom
  • Patent number: 11650699
    Abstract: A touch sensing apparatus is provided comprising: a light transmissive panel that defines a touch surface, a plurality of light emitters and detectors arranged along a perimeter of the light transmissive panel, a plurality of optical components arranged along the perimeter of the light transmissive panel, wherein the light emitters are arranged to emit a respective beam of emitted light and the optical components are configured to direct the emitted light to a path across the light transmissive panel. Optionally, optical components comprise a light guide arranged to receive light from the light emitters through a first surface and couple out light travelling in the light guide to the touch surface through a second surface. The second surface may be diffusively transmissive. The light guide may further comprise a reflective surface configured to internally reflect light travelling in the light guide from the first surface to the diffusive surface.
    Type: Grant
    Filed: February 2, 2022
    Date of Patent: May 16, 2023
    Assignee: FlatFrog Laboratories AB
    Inventors: Håkan Bergström, Thomas Craven-Bartle, Lars Rippe
  • Publication number: 20230080260
    Abstract: A touch sensing apparatus is disclosed, comprising a light transmissive panel that defines a touch surface, an opposite rear surface, and panel sides extending between the touch surface and rear surface. The panel sides define a perimeter of the light transmissive panel. The touch sensing apparatus comprises a plurality of light emitters and detectors arranged along the perimeter and adjacent the panel sides, a light guide arranged along the perimeter and having a first reflective surface comprising a diffusive light scattering element.
    Type: Application
    Filed: September 19, 2022
    Publication date: March 16, 2023
    Inventors: Håkan Bergström, Aleksander KOCOVSKI
  • Publication number: 20230068643
    Abstract: A touch sensing apparatus is disclosed comprising a panel having a touch surface, emitters and detectors arranged along a perimeter, a light directing portion arranged adjacent the perimeter and comprising a light directing surface, the emitters and/or the detectors are arranged opposite a rear surface of the panel to emit and/or receive light through a channel in a frame element, the channel is arranged opposite the rear surface and extends in a direction of a normal axis of the touch surface, the light directing surface and the channel are arranged on opposite sides of the panel and overlap in the direction of the plane, the light directing surface receive light from the emitters, or direct light to the detectors, through the panel and through the channel, in the direction of the normal axis. A method of manufacturing a frame element for a touch sensing apparatus is disclosed.
    Type: Application
    Filed: January 25, 2021
    Publication date: March 2, 2023
    Inventors: Håkan Bergström, Tomas Svensson