Patents by Inventor Mats E. G. Lindoff

Mats E. G. Lindoff 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: 5418837
    Abstract: An apparatus for upgrading a mobile telephone, the mobile telephone having a main memory the apparatus comprising a module reader provided in the mobile telephone and a software upgrading module card adapted to be temporarily connected to the mobile telephone by insertion into the module reader. The card comprises means for storing upgrading software to be transmitted into the main memory in the mobile telephone. The apparatus further includes means provided in the mobile telephone for transmitting the upgrading software into the main memory.
    Type: Grant
    Filed: July 30, 1993
    Date of Patent: May 23, 1995
    Assignee: Ericsson-GE Mobile Communications Inc.
    Inventors: Kjell Johansson, Mats E. G. Lindoff
  • Patent number: 5179724
    Abstract: In a radio communication system such as a cellular telephone system having battery powered mobile stations which receive radio frequency signals, an amplifier in the receiver of the mobile station is operated in a plurality of different modes in order to reduce power consumption. The modes of the amplifier depend upon the strength of the incoming signal and whether the transmitter is transmitting. The receiver is also periodically disconnected from the battery in order to further reduce power consumption.
    Type: Grant
    Filed: January 15, 1991
    Date of Patent: January 12, 1993
    Assignee: Ericsson G.E. Mobile Communications Holding Inc.
    Inventor: Mats E. G. Lindoff