Patents by Inventor Seppo Seppala

Seppo Seppala 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).

  • Method and a device for controlling a radio transmitter
    Patent number: 5507018
    Abstract: A method and a device for controlling the power of a control channel (BCCH) in a radiotelephone system, such as the GSM mobile radio network. In the method, the power of the control channel (BCCH) is kept constant during normal operation. To enable easy control of the constant power of the control channel, power data is transmitted on the control channel (BCCH) at least in the first time slot of the frame and the power of the control channel is locked throughout each frame to a level determined in the first time slot.
    Type: Grant
    Filed: March 28, 1995
    Date of Patent: April 9, 1996
    Assignee: Nokia Telecommunications Oy
    Inventor: Seppo Seppala
  • Method and a device for controlling a radio transmitter
    Patent number: 5390361
    Abstract: A method and a device for controlling a radio transmitter. In the method, the radio transmitter is alternately caused to assume an ON state in which a desired outbound RF power is transmitted, and an OFF state in which no RF power is transmitted, the RF power being determined in the ON state by using a power control signal (V.sub.c) controlling the amplification of transmitter amplifiers (3, 4). For ensuring that the data period falls within the useful period of the transmitter, within which the value of the RF power to be transmitted is constant, a data stream (D2) is delayed with respect to the power control (V.sub.c) when the transmitter is caused to assume the ON state.
    Type: Grant
    Filed: November 3, 1992
    Date of Patent: February 14, 1995
    Assignee: Nokia Telecommunications Oy
    Inventor: Seppo Seppala