Patents by Inventor Bjoern Christoffersson

Bjoern Christoffersson 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: 11917694
    Abstract: Embodiments include methods performed by a wireless device for random access to a wireless communications network. Such methods include transmitting a random access preamble in a first uplink (UL) bandwidth part (BWP) of a carrier and selecting a first downlink (DL) BWP of the carrier based on an association between the first UL BWP and the first DL BWP. Such methods include monitoring the first DL BWP for a random access response from the wireless communication network to the transmitted random access preamble. Other embodiments include complementary methods for a base station configured to support random access by wireless devices, as well as wireless devices and base stations configured to perform such methods.
    Type: Grant
    Filed: January 26, 2023
    Date of Patent: February 27, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Björn Hofström, Jan Christoffersson, Min Wang
  • Patent number: 4993293
    Abstract: The invention relates to an apparatus for the removal of areas of material punched out from a material in sheet form by projecting, closed punching edges on the circumferential surface of at least one rotating punching cylinder by means of compressed air, which is fed into the punching cylinder and led out from the punching cylinder through outlet openings lying within the closed punching edges, wherein the compressed air from an opening in a side face of a member at least partially embracing the punching cylinder in a guided manner is fed to inlet openings assigned to the outlet openings, which inlet openings are located in a side face of the punching cylinder closely adjacent to the side face of the member.
    Type: Grant
    Filed: April 4, 1990
    Date of Patent: February 19, 1991
    Assignee: Joergen Gerhardt
    Inventors: Bjoern Christoffersson, Joergen Gerhardt