Patents by Inventor Constantin Ungureanu

Constantin Ungureanu 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).

  • Photoplethysmographic device for measuring a heart rhythm
    Patent number: 9826912
    Abstract: Photoplethysmographic device for measuring a heart rhythm, comprising a housing having a contacting surface and a control unit, a photoplethysmographic sensor mechanically attached to the contacting surface and connected to the control unit, wherein the control unit is arranged to receive a photoplethysmographic signal from the photoplethysmographic sensor, a fastening band having a first end and a second end, the first end and second end attached to the device for attaching the device to a subject with the contacting surface contacting the subject's skin, a pressure sensor attached to the contacting surface in close proximity to the photoplethysmographic sensor. The control unit is arranged determining whether the pressure from the pressure sensor is in a range suitable for photoplethysmographic measurement by the photoplethysmographic sensor.
    Type: Grant
    Filed: October 19, 2016
    Date of Patent: November 28, 2017
    Assignee: LIVASSURED B.V.
    Inventors: Constantin Ungureanu, Theo Ary Asmund Tielens
  • PHOTOPLETHYSMOGRAPHIC DEVICE FOR MEASURING A HEART RHYTHM
    Publication number: 20170127958
    Abstract: Photoplethysmographic device for measuring a heart rhythm, comprising a housing having a contacting surface and a control unit, a photoplethysmographic sensor mechanically attached to the contacting surface and connected to the control unit, wherein the control unit is arranged to receive a photoplethysmographic signal from the photoplethysmographic sensor, a fastening band having a first end and a second end, the first end and second end attached to the device for attaching the device to a subject with the contacting surface contacting the subject's skin, a pressure sensor attached to the contacting surface in close proximity to the photoplethysmographic sensor. The control unit is arranged determining whether the pressure from the pressure sensor is in a range suitable for photoplethysmographic measurement by the photoplethysmographic sensor.
    Type: Application
    Filed: October 19, 2016
    Publication date: May 11, 2017
    Inventors: Constantin Ungureanu, Theo Ary Asmund Tielens