Patents by Inventor Johan Sjoberg

Johan Sjoberg 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: 8063835
    Abstract: The present invention relates to an antenna arrangement comprising a flexible film (1) having a radiating element (8) mounted to a first side of a dielectric carrier (3). The dielectric carrier (3) has a through hole (5) from the first side thereof to a second side, opposite the first side, thereof. The flexible film (1) is dielectric and comprises a cut linear pattern providing a flip (2) positioned over said through hole (5), wherein said flip (2) is flush with said flexible film (1).
    Type: Grant
    Filed: March 5, 2007
    Date of Patent: November 22, 2011
    Assignee: Laird Technologies AB
    Inventors: Johan Sjöberg, Jerry Nilsson
  • Publication number: 20090066591
    Abstract: The present invention relates to an antenna arrangement comprising a flexible film (1) having a radiating element (8) mounted to a first side of a dielectric carrier (3). The dielectric carrier (3) has a through hole (5) from the first side thereof to a second side, opposite the first side, thereof. The flexible film (1) is dielectric and comprises a cut linear pattern providing a flip (2) positioned over said through hole (5), wherein said flip (2) is flush with said flexible film (1).
    Type: Application
    Filed: March 5, 2007
    Publication date: March 12, 2009
    Applicant: Laird Technologies AB
    Inventors: Johan Sjoberg, Jerry Nilsson
  • Patent number: 7403892
    Abstract: A delay unit is provided to delay adapting modes of a codec if channel communication conditions are improving. A less robust mode having a higher intrinsic quality is selected only after some delay. The quality of the communication is measured to give quality values for successive measurement occasions. The delay unit comprises a plurality of memory cells in a memory for storing the quality values of the communication conditions of the channel for the most recent measurement occasions. A selector operates according to an algorithm for selecting one of the memory cells. The content of the selected cell is used to set the mode of the codec.
    Type: Grant
    Filed: August 22, 2002
    Date of Patent: July 22, 2008
    Assignee: Telefonaktiebolaget L M Ericsson (Publ)
    Inventors: Johan Sjoberg, Stefan Bruhn
  • Publication number: 20040267519
    Abstract: In adapting the modes of a codec for a communication channel in a mobile telecommunication system, a delay unit is provided to delay the adaptation if communication conditions of the channel are improving, so that a less robust mode having a higher intrinsic quality is selected only after some delay. Otherwise the adapting is not delayed. This may to some extent reduce the quality of the received speech signal, abut the out-of-phase problems due to AMR loop delay in speech codecs are minimized. In particular in speech codecs built according to the AMR standard. The quality of the communication is measured to give quality values for successive measurement occasions. The quality of the communication is measured to give quality values for successive measurement occasions. The quality values are first linearly filtered.
    Type: Application
    Filed: August 11, 2004
    Publication date: December 30, 2004
    Inventors: Johan Sjoberg, Stefan Bruhn
  • Publication number: 20010041981
    Abstract: A method and apparatus for partial redundancy encoding of a speech data packet. The bits in the speech data packet are sorted according to a predetermined error sensitivity characteristic, order, level or degree of importance. Only those bits in the packet which are considered to be most error sensitive are protected by redundant transmission. A partial set of redundant bits of the previously transmitted packets are included with the data bit for current packet. The redundant bits are used at the receiver side to reconstruct damaged packets. By using only the most sensitive bits for redundancy, the additional required and width may be limited.
    Type: Application
    Filed: February 20, 2001
    Publication date: November 15, 2001
    Inventors: Erik Ekudden, Johan Sjoberg