Patents by Inventor Ioannis Antoniou

Ioannis Antoniou 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).

  • Method and arrangement to determine a wind-speed
    Patent number: 8139206
    Abstract: A method and an arrangement are provided to determine the speed of the wind, which acts on a wind-blade of a wind-turbine. An optical-signal with a known frequency is sent from an optical-transmit-unit to a joint measurement volume. The optical-signal is scattered and reflected by atmospheric particles of the joint measurement volume. The optical signal is shifted in its frequency due to the Doppler-principle, too. The frequency-shifted optical signal is received by a receive-unit. The frequency-shifted optical signal is compared with the sent optical-signal to determine the wind-speed based on the shifted frequency, which is caused by the atmospheric particles.
    Type: Grant
    Filed: October 7, 2009
    Date of Patent: March 20, 2012
    Assignee: Siemens Aktiengesellschaft
    Inventors: Ioannis Antoniou, Soeren Markkilde Pedersen
  • Method and arrangement to determine a wind-speed
    Publication number: 20100085557
    Abstract: A method and an arrangement are provided to determine the speed of the wind, which acts on a wind-blade of a wind-turbine. An optical-signal with a known frequency is sent from an optical-transmit-unit to a joint measurement volume. The optical-signal is scattered and reflected by atmospheric particles of the joint measurement volume. The optical signal is shifted in its frequency due to the Doppler-principle, too. The frequency-shifted optical signal is received by a receive-unit. The frequency-shifted optical signal is compared with the sent optical-signal to determine the wind-speed based on the shifted frequency, which is caused by the atmospheric particles.
    Type: Application
    Filed: October 7, 2009
    Publication date: April 8, 2010
    Inventors: Ioannis Antoniou, Soeren Markkilde Pedersen