Patents by Inventor Esa Tiiliharju

Esa Tiiliharju 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).

  • Patent number: 7978007
    Abstract: The invention relates to a feedback network (60) for cascade amplifiers (200), which comprises an active stage (30) to feed signal back to a first internal node (65) at the output of the first amplifier stage (61) of the cascade. The invention further relates to a feedback network (60) which comprises said active feedback stage (30) with said first internal amplifier node (65) connection and a feedback resistor (10) connected from said cascade amplifier output port (out) to its input port (in).
    Type: Grant
    Filed: December 29, 2008
    Date of Patent: July 12, 2011
    Inventor: Esa Tiiliharju
  • Publication number: 20100164618
    Abstract: The invention relates to a feedback network (60) for cascade amplifiers (200), which comprises an active stage (30) to feed signal back to a first internal node (65) at the output of the first amplifier stage (61) of the cascade. The invention further relates to a feedback network (60) which comprises said active feedback stage (30) with said first internal amplifier node (65) connection and a feedback resistor (10) connected from said cascade amplifier output port (out) to its input port (in).
    Type: Application
    Filed: December 29, 2008
    Publication date: July 1, 2010
    Inventor: Esa Tiiliharju