Patent application number | Description | Published |
20100242994 | DEVICE AND METHOD FOR COLLECTING WASTE WATER FROM TURBINE ENGINE WASHING - An apparatus is provided for collecting waste water from cleaning operations performed on aircraft turbine engines. The apparatus comprises a frame structure. On the frame structure a support arm is pivotally mounted. An actuator arm is arranged to raise and lower the support arm between an essentially horizontal transport position to an operative position forming an angle in the range of more than 0° to 90° or less with respect to the horizontal. A liquid separation device is pivotally attached to the support arm so as to be movable around both a horizontal and a vertical axis. | 09-30-2010 |
20110186096 | AIRCRAFT MAINTENANCE UNIT - The disclosure relates to a maintenance unit for servicing aircraft during stand-still, comprising electrically powered service and/or maintenance equipment. There is a power input for connecting the unit to an electrical power supply operating at 200/115VAC at 400 Hz. The unit further comprises a transformer and conversion unit (TCU) for transforming the 200/115 VAC/400 Hz power to standard grid voltage at 400/23OVAC at 50 Hz and at least one frequency converter enabling variable frequency of the output voltage, for powering said service and/or maintenance equipment. The maintenance equipment may be a gas turbine engine washing equipment and comprises a water delivery member for supplying water from a water source, a high pressure pump coupled to the water providing means for providing pressurized water, and a high pressure water outlet connection for connecting cleaning devices. | 08-04-2011 |
20110232697 | DEVICE AND METHOD HAVING A DUCT FOR COLLECTING WASTE WATER FROM TURBINE ENGINE WASHING - A collection apparatus is provided for collecting waste water from cleaning operations performed on aircraft turbine engines. It comprises a frame structure having a pivotally mounted support arm. An actuator device is arranged to rise and lower the support arm between an essentially horizontal transport position to an operative position. A flexible duct is provided with an inlet end and an outlet end. The inlet end of the flexible duct is pivotally attached to the support arm so as to be movable around at least a horizontal axis. | 09-29-2011 |
20140060589 | AIRCRAFT MAINTENANCE UNIT - The disclosure relates to a maintenance unit for servicing aircraft during stand-still, comprising electrically powered service and/or maintenance equipment. There is a power input for connecting the unit to an electrical power supply operating at 200/115VAC at 400 Hz. The unit further comprises a transformer and conversion unit (TCU) for transforming the 200/115 VAC/400 Hz power to standard grid voltage at 400/23OVAC at 50 Hz and at least one frequency converter enabling variable frequency of the output voltage, for powering said service and/or maintenance equipment. The maintenance equipment may be a gas turbine engine washing equipment and comprises a water delivery member for supplying water from a water source, a high pressure pump coupled to the water providing means for providing pressurized water, and a high pressure water outlet. | 03-06-2014 |
Patent application number | Description | Published |
20080254748 | Method For Dimensioning or Evaluating a Radio Network - A simple and reliable method for dimensioning CDMA based networks is achieved by a method for evaluating or dimensioning a radio network comprising the steps of—defining a radio network model comprising at least one radio base station and a plurality of mobile terminals, —for each mobile terminal in the model, defining a path gain value for a signal path between the mobile terminal and each of the radio base stations, said method being characterized by the steps of—for each mobile terminal, selecting at least one of said path gain values, —defining a data set comprising at least one parameter based on said selected at least one path gain value for each mobile terminal, and—performing dimensioning calculations on the data set. Especially if data sets are prestored the dimensioning calculations can be carried out in very short time. | 10-16-2008 |
20080298434 | Method and Arrangement for Frequency Hopping in Wireless Communication Systems with Carriers of Varying Bandwidth - The present invention relates to frequency hopping in wireless communication systems utilizing single-carriers with varying bandwidth. Frequency hopping is made possible by dividing the available bandwidth, associated to the available frequency spectrum, in a levelled structure, a bandwidth tree. By the use of a frequency hopping tree, which has the same structure as the bandwidth tree and wherein each leaf represent a hopping sequence, a frequency hopping scheme is determined. Orthogonality in-between the frequency hopping schemes for different users is ensured by letting a users hopping sequence value at a level n, be dependent on the hopping sequence value associated to the same branch structure on the adjacent level closer to the root of the tree, n−1, and an input sequence associated with the level n. | 12-04-2008 |
20100085923 | SCHEDULING OF USERS ON A SHARED RADIO RESOURCE USING A COMBINATION OF LINK QUALITY AND TRAFFIC INFORMATION - The present invention relates to a method and an arrangement for optimizing radio resource utilizations when scheduling data transmissions between a radio base station ( | 04-08-2010 |
20100111030 | Frequency Hopping Scheme for OFDMA System - Available bandwidth is divided into multiple sub-channels, and respective sub-bands containing one or more of these sub-channels are allocated to one or more users. A first frequency allocation is determined, and mathematical operators are used to determine at least one further frequency allocation from the first frequency allocation. A frequency hopping sequence is then determined, including the first frequency allocation, and the or each further frequency allocation. A network node may perform the allocation method, and a user equipment may operate using the allocated bandwidth. | 05-06-2010 |
20110280146 | METHOD AND ARRANGEMENT FOR RECEIVE POWER ESTIMATION IN A MOBILE RADIO COMMUNICATIONS SYSTEM - The present invention relates to a method and apparatus for estimating a received signal power of a first transmission channel at a receiving node in a communications system wherein a received signal comprises information transmitted by a transmitting node over at least two transmission channels. The received signal power of a second of the at least two transmission channels is measured, and together with an estimate of the relationship between the transmission power of the second transmission channel and the transmission power of the first transmission channel; the measurement of the received signal power is used in estimating the received signal power of the first transmission channel. | 11-17-2011 |
20130083672 | Apparatus and Method for Controlling Self-Interference in a Cellular Communications System - The invention relates to a radio base station ( | 04-04-2013 |
20140003467 | Frequency Hopping Scheme for OFDMA System | 01-02-2014 |
Patent application number | Description | Published |
20100150175 | POINT-TO-POINT COMMUNICATION IN A HIGH VOLTAGE POWER TRANSMISSION SYSTEM - A method for sending signals from an active computer in a high-voltage power transmission system including active protection computers and active and standby control computers in a hierarchical structure having at least two hierarchical levels. A high-voltage power transmission system and a control station for at least a part of such a transmission system. In the system all computers on the various hierarchical levels are connected to at least two separate computer communication networks. An active computer sends signals that are to be received by at least one other computer at the same or another hierarchical level simultaneously on the two separate computer communication networks to which it is connected. | 06-17-2010 |
20100157633 | REDUNDANT CURRENT VALVE CONTROL IN A HIGH VOLTAGE POWER TRANSMISSION SYSTEM - A method and device for providing redundant control of a controllable current valve in a converter of a power transmission system. A first converter control unit sends a first valve control signal. A first active/standby indicator is associated with the first converter. A second converter control unit sends a second valve control signal. A second active/standby indicator is associated with the second converter control unit. The device also includes a valve control unit. An active/standby indicator indicates if a corresponding converter control unit is active or standby. Only one indicator indicates an active unit at a given point in time. The valve control unit receives the active/standby indicators and valve control signals, selects a valve control signal to be applied if the corresponding active/standby indicator indicates an active converter control unit and controls the current valve using the selected valve control signal. | 06-24-2010 |
20100158001 | REDUNDANT COMPUTERS AND COMPUTER COMMUNICATION NETWORKS IN A HIGH-VOLTAGE POWER TRANSMISSION SYSTEM - A method for sending signals from an active computer in a high-voltage power transmission system including active protection computers and active and standby control computers in a hierarchical structure having at least two hierarchical levels. A high-voltage power transmission system and a control station for at least a part of such a transmission system. In the system all computers on the various hierarchical levels are connected to at least two separate computer communication networks. An active computer sends signals that are to be received by at least one other computer at the same or another hierarchical level simultaneously on the two separate computer communication networks to which it is connected. | 06-24-2010 |
20100244865 | VOLTAGE MEASUREMENTS OF ELECTRICALLY CONDUCTING ELEMENTS IN SYSTEMS FOR CONTROLLING ELECTRICAL PROCESSES - A voltage measurement device for connection to a primary voltage dividing element provided between ground and an electrically conducting element in a system for controlling an electrical process and such a system. The device includes at least one first branch of secondary voltage dividing elements, where the branch is adapted to be connected in parallel with the primary voltage dividing element, and a first measuring unit connected to one of the secondary voltage dividing elements of the first branch and arranged to measure the voltage across this secondary voltage dividing element and provide a first voltage signal corresponding to a voltage of the electrically conducting element. | 09-30-2010 |
20100289551 | INCREASED RELIABILITY IN THE PROCESSING OF DIGITAL SIGNALS - A method, device and computer program product for providing increased reliability in the processing of digital signals. The device includes a module for performing analog measurement of a received signal intended to occupy two logical states at various instances in time, a module for determining if there is a change in the analog signal level, a module for determining if the change fulfills at least one logical state change condition, wherein a first logical state change condition is based on the speed of change of the analog signal level, and a module for determining that there is a change from one logical state to the other if at least one logical state change condition is fulfilled. The invention provides secure detection of unreliable digital signals that may be generated in harsh environments that are polluted or moist. | 11-18-2010 |
20130181745 | DIGITAL INPUT WITH VARIABLE IMPEDANCE - A device for sensing a binary signal includes a device configured to measure a signal level of the signal, a device configured to determine whether the measured signal level is “low” or “high”, a device configured to provide a variable input impedance, and a device configured to control the input impedance in response to the measured signal level. The variable input impedance may be provided by way of a transistor and a resistor, and by controlling the duty ratio of the transistor using pulse width modulation. Preferably, the input impedance is controlled to be low for low signal levels and to be high for high signal levels, which results in a more reliable sensing of binary signals. The device may be used for detecting the state of contact transducers suffering from parasitic resistances caused by moist and/or polluted environments. Further, a method of sensing a binary signal is provided. | 07-18-2013 |
Patent application number | Description | Published |
20120230509 | ARRANGEMENTS IN A DEVICE FOR USE WITH A SERVICE INVOLVING PLAY OUT OF MEDIA AND RELATED METHODS - Arrangements in a device for use with a service involving play out of audio from a headset are provided. The arrangements include an application for providing the play out of audio to a user of the device. The application has at least two modes of operation including first and second active modes. In the first active mode, the headset is in full physical contact with the user. In the second active mode, the headset may not be in full physical contact with the user. The application is configured to switch between the first and second modes of operation based on whether the headset is detected to be in full physical contact with the user. In the first active mode, the user is entitled to full use and/or operation of the service. In the second active mode, the user is entitled to modified use and/or operation of the service. Related methods are also provided. | 09-13-2012 |
20120293599 | MEETING ROOM PARTICIPANT RECOGNISER - An arrangement | 11-22-2012 |
20130275616 | Media Broker Server, Method, Computer Program and Computer Program Product for Matching a Media Source and Media Receiver - It is presented a method for matching a media source and a media receiver. The method comprises the steps of: receiving position messages from a plurality of media sources, the position messages comprising geographic position data indicating a geographic position of each respective media source; receiving a request media message from the media receiver, the request media message comprising desired geographic position data indicating a desired geographic position of a media source; creating a matching group comprising all matching media sources of the plurality of media sources, which matching media sources are in a geographic position matching the desired geographic position; forwarding a live media stream, captured by at least one of the matching media sources of the matching group, to the media receiver; and maintaining the matching group. A corresponding media broker server, computer program and computer program product are also presented. | 10-17-2013 |
20130290552 | Client and a Method in a Client in a Communication Network for Providing a Service - A client and a method in a client in a communication network comprising a core network, for providing a communication service, is provided. The method comprises receiving a session setup request from an originating party, requesting a session with a destination party. The setup request comprises a capability indication associated with the originating party and a session type indication. The method further comprises determining capabilities of devices in a first communication context associated with the destination party and comparing the capabilities of the devices in the first communication context to the capability indication and to the session type indication in the received request. Still further, the method comprises determining a level of correspondence between the capability indication and the session type indication, and the capabilities of devices in the first communication context, and indicating a device in the first communication context having a suitable level of correspondence to the capability indication associated with the originating party and the session type indication. | 10-31-2013 |
20130339451 | Method and Apparatus for Prioritizing Media within an Electronic Conference According to Utilization Settings at Respective Conference Participants - In one aspect, the teachings herein address the changing network capacity requirements that arise in electronic conferencing systems not hosted in a fully dedicated network using a clever prioritization scheme that is determined in view of which source streams ( | 12-19-2013 |