Patents by Inventor Seppo Kalervo Kivelä

Seppo Kalervo Kivelä 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).

  • Personal mobile communications device having multiple units
    Patent number: 6882870
    Abstract: A mobile communication device is constructed for use in communicating with a wireless communications network. The device is adapted for carrying on or near the person of the user. For ease of use and adaptability, the various functions of the device are separated into multiple units. The units communicate with each other through a localized communication system in which at least one local traffic channel is generated by the primary unit. To permit bi-directional communication among the units, multiple access protocols are used, either TDMA or CDMA.
    Type: Grant
    Filed: January 26, 2001
    Date of Patent: April 19, 2005
    Assignee: Nokia Mobile Phones, Ltd.
    Inventors: Seppo Kalervo Kivelä, Erkki Savilampi, Ciaron Daniel Murphy, Pekka Heinonen, Harri Okkonen, Heikki Rautila
  • Personal mobile communications device having multiple units
    Patent number: 6272359
    Abstract: A mobile communication device is constructed for use in communicating with a wireless communications network. The device is adapted for carrying on or near the person of the user. For ease of use and adaptability, the various functions of the device are separated into multiple units. The units communicate with each other through a localized communication system in which at least one local traffic channel is generated by the primary unit. To permit bi-directional communication among the units, multiple access protocols are used, either TDMA or CDMA.
    Type: Grant
    Filed: October 30, 1997
    Date of Patent: August 7, 2001
    Assignee: Nokia Mobile Phones Ltd.
    Inventors: Seppo Kalervo Kivelä, Erkki Savilampi, Ciaron Daniel Murphy, Pekka Heinonen, Harri Okkonen, Heikki Rautila