Patents by Inventor Jari Kemppainen

Jari Kemppainen 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).

  • Frequency-hopping arrangement for a radio communication system
    Patent number: 5428602
    Abstract: The invention relates to the realization of frequency hopping in radio transmitter, receiver or transceiver systems. In the system according to the invention, a separate fixed-frequency radio transmitter or radio receiver is provided for each frequency utilized in the frequency hopping. The frequency hopping is realized by switching received inbound signals or outbound signals as baseband signals to the different fixed-frequency transmitters or receivers in accordance with a frequency-hopping sequence.
    Type: Grant
    Filed: September 15, 1992
    Date of Patent: June 27, 1995
    Assignee: Telenokia Oy
    Inventor: Jari Kemppainen