Patents by Inventor Hasse Kristian Sinivaara

Hasse Kristian Sinivaara 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).

  • Aeronautical cellular network
    Patent number: 6055425
    Abstract: A cellular telephone system for use in an aircraft (12) comprises a plurality of user terminals distributed throughout the seating array, each group of terminals being connected through short cables to an optical/RF transducer (30) which is linked through an optical fibre array (50) to a further transducer (26) connected by short cables (27,28) to a Base Transceiver Station (22).
    Type: Grant
    Filed: May 29, 1998
    Date of Patent: April 25, 2000
    Assignee: Nokia Telecomunications Oy
    Inventor: Hasse Kristian Sinivaara