Patents by Inventor Raimo Erik Sepponen

Raimo Erik Sepponen 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).

  • Device for radio communication
    Patent number: 6259896
    Abstract: A device for radio communication (PH), such as for example radiophone, includes a shielding layer (RFS) which under operating conditions is between the antenna and the user. The shielding layer (RFS) reduces electromagnetic irradiation of the user. The shielding layer (RFS) may be movable in such a manner that it serves as a cover of some operational devices such as for example, the headphone, display and keyboard of the apparatus when it is not used.
    Type: Grant
    Filed: April 20, 1998
    Date of Patent: July 10, 2001
    Assignee: Nokia Mobile Phones Limited
    Inventor: Raimo Erik Sepponen
  • Device for radio communication
    Patent number: 6088579
    Abstract: A device for radio communication (PH), such as for example radiophone, a shielding layer (RFS) which under operating conditions is between the antenna means and the user. The shielding layer (RFS) reduces electromagnetic irradiation of the user. The shielding layer (RFS) may be movable in such a manner that it serves as a cover of some operational device such as for example headphone, display and keyboard of apparatus when it is not in use.
    Type: Grant
    Filed: August 31, 1998
    Date of Patent: July 11, 2000
    Assignee: Nokia Mobile Phones Limited
    Inventor: Raimo Erik Sepponen
  • Radiation shielding apparatus for communication device
    Patent number: 5787340
    Abstract: A device for radio communication (PH), such as for example radiophone, includes a shielding layer (RFS) which under operating conditions is between the antenna and the user. The shielding layer (RFS) reduces electromagnetic irradiation of the user. The shielding layer (RFS) may be movable in such a manner that it serves a cover of some operational device such as for example the headphone, display and keyboard of the apparatus when it is not use.
    Type: Grant
    Filed: August 15, 1995
    Date of Patent: July 28, 1998
    Assignee: Nokia Mobile Phones
    Inventor: Raimo Erik Sepponen