Patents by Inventor Saska J. Lindfors

Saska J. Lindfors 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).

  • Feedback integrator current source, transistor, and resistor coupled to input
    Patent number: 9753559
    Abstract: An apparatus is provided. There is an input terminal that is configured to receive an input signal from a optical receiver and an output terminal. First and second integrators are coupled between the input and output terminals. In the second integrator, there is a current source that is coupled to the input terminal, a first resistor that is coupled to the output terminal, and a second resistor. Also, there is an amplifier having a first input, a second input, and an output, where the first resistor is coupled to the first input of the amplifier and where the second input of the amplifier is configured to receive a reference voltage. A transistor is coupled between the current source the second resistor and is coupled to the output of the amplifier at its gate. A capacitor is also coupled between the first input of the amplifier and the second resistor.
    Type: Grant
    Filed: October 19, 2012
    Date of Patent: September 5, 2017
    Assignee: Texas Instruments Incorporated
    Inventors: Saska J. Lindfors, Matti Aaltonen, Jonne J. Lindeberg
  • AFE FOR A MULTICHANNEL IR SENSOR SYSTEM
    Publication number: 20140111444
    Abstract: An apparatus is provided. There is an input terminal that is configured to receive an input signal from a optical receiver and an output terminal. First and second integrators are coupled between the input and output terminals. In the second integrator, there is a current source that is coupled to the input terminal, a first resistor that is coupled to the output terminal, and a second resistor. Also, there is an amplifier having a first input, a second input, and an output, where the first resistor is coupled to the first input of the amplifier and where the second input of the amplifier is configured to receive a reference voltage. A transistor is coupled between the current source the second resistor and is coupled to the output of the amplifier at its gate. A capacitor is also coupled between the first input of the amplifier and the second resistor.
    Type: Application
    Filed: October 19, 2012
    Publication date: April 24, 2014
    Applicant: Texas Instruments Incorporated
    Inventors: Saska J. Lindfors, Matti Aaltonen, Jonne J. Lindeberg