Patent application number | Description | Published |
20080260514 | Method for Damping Tower Vibrations in a Wind Turbine Installation - A method in connection with a wind turbine installation for damping tower vibrations, in particular a floating wind turbine installation comprising a floating cell, a tower arranged over the floating cell, a generator mounted on the tower that is rotatable in relation to the wind direction and fitted with a wind turbine, and an anchor line arrangement connected to anchors or foundations on the sea bed. The tower's eigenvibrations, ω | 10-23-2008 |
20090120345 | Floating wind turbine installation - A method for coordinating a floating wind turbine installation. The wind turbine installation comprises a buoyant body ( | 05-14-2009 |
20110179986 | Method and Apparatus for Towing Offshore Wind Turbines - A method of moving a floating wind turbine relative to a body of water, the floating wind turbine having a buoyant body with a nacelle at the upper end thereof, including the steps of floating the floating wind turbine in the body of water, and towing the floating wind turbine whilst holding the buoyant body in an inclined position, whereby the nacelle is held clear of the water. As the wind turbine is held in an inclined position, it can be towed through regions of shallower water than if it were in a vertical position. | 07-28-2011 |
20110316277 | Blade Pitch Control in a Wind Turbine Installation - The present invention relates to a blade pitch controller for a floating wind turbine structure, wherein the floating wind turbine structure may include a support structure supporting a rotor having a number of blades. The controller may include standard blade pitch control means and active damping means. The standard blade pitch control means is arranged to control a blade pitch using a transfer function between a rotor speed error and the blade pitch. The active damping means is arranged to further control the blade pitch on the basis of a speed of a point on the wind turbine structure by converting the speed of a point on the wind turbine structure into a rotor speed error and using the same transfer function that is used in the standard blade pitch control means to convert the rotor speed error into a correction to the blade pitch. | 12-29-2011 |
Patent application number | Description | Published |
20090161900 | MICROPHONE ASSEMBLY FOR MINIMIZING ACOUSTIC FEEDBACK FROM A LOUDSPEAKER - A microphone assembly for desktop communication systems utilizes a directional microphones in a desktop conferencing system without exposing the microphone to unfavorable mechanical or acoustic influence. The microphones is built into the front portion of the base of the system, in a mechanically controlled and robust way. The microphone assembly maximizes microphone sensitivity in the direction of a near end user while simultaneously minimizing microphone sensitivity in the direction of the loudspeaker. | 06-25-2009 |
20140050332 | METHOD AND SYSTEM FOR OBTAINING AN AUDIO SIGNAL - A method and system for obtaining an audio signal. In one embodiment, the method comprises receiving a first sound signal at a first microphone arranged at a first height vertically above a substantially flat surface; receiving a second sound signal at a second microphone arranged at a second height vertically above the substantially flat surface; processing a signal provided by the first microphone using a low pass filter; processing a signal provided by the second microphone using a high pass filter; adding the signals processed by the low pass filter and the high pass filter to form a sum signal; and outputting the sum signal as an audio signal. | 02-20-2014 |
20140063178 | SYSTEM AND METHOD FOR COLLABORATION REVELATION AND PARTICIPANT STACKING IN A NETWORK ENVIRONMENT - A method is provided in one example embodiment and includes receiving video data associated with a meeting in a video conferencing environment; and displaying a plurality of images of participants of the meeting around a presenter or around collaboration material such that an overview of the participants is rendered on a display. The presenter or the collaboration material is rendered near a middle portion of the display. At least some of the participants are at one or more locations, which are remote from the display. | 03-06-2014 |
20140164629 | SYSTEM AND ASSOCIATED METHODOLOGY FOR PROXIMITY DETECTION AND DEVICE ASSOCIATION USING ULTRASOUND - In one embodiment, a method includes receiving ultrasound frequency sweeps in a sound receiving device. Each of the plurality of ultrasound frequency sweeps is centered on one of at least two predetermined frequencies. The method also includes converting the ultrasound frequency sweeps into an ultrasound message based on a central frequency of each of the ultrasound frequency sweeps received, and placing the ultrasound message into a receive buffer. Then at least a network address is extracted from the ultrasound message, and the network address is used to establish a communication session over a data network with a telecommunications device. | 06-12-2014 |