Patents by Inventor Antti Särelä

Antti Särelä 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).

  • Arrangement in connection with feedback control system
    Patent number: 7290544
    Abstract: The invention relates to an arrangement in connection with a feedback control system, the arrangement comprising a controllable device (10), a measuring device (7), a controlling device (9) and a user interface by which the controlling device (9) can be monitored by means of set values. The measuring device (7) is adapted to measure a measuring value (8) from a measuring point, which measuring value is dependent on the operation of the controllable device and the controlling device (9) is adapted to monitor the controllable device (10) on the basis of the measuring value and set values. To improve safety, the arrangement comprises means (15a, 15b, 15c) adapted to feed a reference signal (16) to the measuring device (7) periodically.
    Type: Grant
    Filed: December 3, 1999
    Date of Patent: November 6, 2007
    Assignee: GE Healthcare Finland Oy
    Inventors: Antti Särelä, Mario Loncar
  • Arrangement in connection with equipment used in patient care
    Patent number: 6892726
    Abstract: The invention relates to an arrangement in connection with equipment used in patient care, the arrangement comprising a controllable device (2a, 2b), a measuring device (5a, 5b) adapted to measure a measuring signal dependent on the controllable parameter, a measuring point of the measuring signal, a transmission link (21, 22) between the measuring point of the measuring signal and the measuring device, which transmission link requires a separate connection, whereby the measuring device (5a, 5b) is adapted to convert the measuring signal into measuring value which correlates with the operation of the controllable device, and the arrangement further comprising a user interface (20) and a control unit (7a, 7b) adapted to control the controllable device on the basis of the measuring value and the set values.
    Type: Grant
    Filed: December 3, 1999
    Date of Patent: May 17, 2005
    Assignee: Instrumentarium Corp.
    Inventors: Erkki Heinonen, Pekka Meriläinen, Antti Särelä, Mario Loncar
  • Arrangement in anesthesia apparatus
    Patent number: 6394087
    Abstract: An arrangement in an anesthesia apparatus, the anesthesia apparatus comprising a filling device located by a vaporizer and an anesthetic bottle that fits the filling device, the filling device being provided with a valve device, which is arranged to open and close as needed. To provide a controlled discharging of anesthetic, the arrangement comprises a discharge space, which is connected to an interspace formed between the anesthetic bottle and the valve device located in the filling device when the anesthetic bottle is being pulled outward, and a closing member, which, as a result of the anesthetic bottle being pulled outward, is arranged to open a flow connection between the interspace and the discharge space before the connection between the anesthetic bottle and the filling device opens.
    Type: Grant
    Filed: September 16, 1998
    Date of Patent: May 28, 2002
    Assignee: Instrumentarium Corp.
    Inventors: Jukka Kankkunen, Antti Särelä, Tom Häggblom, Teuvo Reinikainen