Patents by Inventor Seppo LÄHDESMÄKI

Seppo LÄHDESMÄKI 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).

  • Publication number: 20220252471
    Abstract: A method detects a pressure and a touch and/or presence in a vicinity. A capacitive layered sensor structure includes an electrically permeable and conductive layer, an electrode layer having a first electrode. Between these layers is a first insulating layer. The capacitive layered sensor structure includes a compressible insulating layer between the electrode layer and an electrically conductive layer. The method measures a first capacitance value of the first electrode using the capacitive layered sensor structure, and a second capacitance value of the first electrode using the capacitive layered sensor structure. A determination is made whether the first value is at most equal to a first threshold and at least equal to a second threshold that is greater than the first threshold. An arrangement includes the capacitive layered sensor structure and an electronic arrangement to perform the method. A computer program causes a computer to perform the method.
    Type: Application
    Filed: May 5, 2020
    Publication date: August 11, 2022
    Applicant: Forciot Oy
    Inventors: Toni LIIMATTA, Seppo LÄHDESMÄKI, Maria ALM
  • Patent number: 10615794
    Abstract: A capacitive sensor comprising a first electrically conductive wire that is flexible and stretchable, a compressible layer, an integral reinforcement structure, and a first electrode for measuring a capacitance and coupled to the first electrically conductive wire. The first electrically conductive wire is attached to a first joint for connecting the first wire to another electrically conductive structure, such as a flexible circuit board or a connector. The capacitive sensor is dividable to a first part of the capacitive sensor and to a second part of the capacitive sensor, the first and second parts extending through the sensor in a direction (Sz) of thickness of the sensor. The first electrically conductive wire extends from the first joint via the second part of sensor to the first part of the sensor and further to the first electrode. A resilience of the second part is improved.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: April 7, 2020
    Assignee: Forciot Oy
    Inventors: Pekka Iso-Ketola, Lari Kakkonen, Toni Liimatta, Seppo Lähdesmäki, Anne Mäkiranta
  • Publication number: 20200106437
    Abstract: “A capacitive sensor comprising a first electrically conductive wire that is flexible and stretchable, a compressible layer, an integral reinforcement structure, and a first electrode for measuring a capacitance and coupled to the first electrically conductive wire. The first electrically conductive wire is attached to a first joint for connecting the first wire to another electrically conductive structure, such as a flexible circuit board or a connector. The capacitive sensor is dividable to a first part of the capacitive sensor and to a second part of the capacitive sensor, the first and second parts extending through the sensor in a direction (Sz) of thickness of the sensor. The first electrically conductive wire extends from the first joint via the second part of sensor to the first part of the sensor and further to the first electrode. A resilience of the second part is improved.
    Type: Application
    Filed: April 29, 2019
    Publication date: April 2, 2020
    Applicant: Forciot Oy
    Inventors: Pekka ISO-KETOLA, Lari KAKKONEN, Toni LIIMATTA, Seppo LÄHDESMÄKI, Anne MÄKIRANTA