Patent application number | Description | Published |
20110309715 | DIELECTRIC INSULATION MEDIUM - A dielectric insulation medium. The insulation medium is characterized in that it comprises a fluoroketone having from 4 to 12 carbon atoms. | 12-22-2011 |
20120152904 | ENCAPSULATED SWITCHGEAR - An encapsulated switchgear that includes a housing defining, an insulating space, and an electrical active part arranged in the insulating space, the insulating space with an insulation medium. The switchgear is characterized in that the insulation medium with a dielectric compound having a boiling point of above −25° C. | 06-21-2012 |
20120256711 | SWITCH HAVING TWO SETS OF CONTACT ELEMENTS AND TWO DRIVES - An exemplary medium or high voltage switch has a first set of contact elements and a second set of contact elements. Each contact element includes an insulating carrier carrying conducting elements. In the closed current-carrying state of the switch, the conducting elements align to form one or more current paths between terminals of the switch along an axial direction. For opening the switch, the contact elements are mutually displaced by through two drives along a direction perpendicular to the axial direction. The switching arrangement is arranged in a fluid-tight housing in a gas of elevated pressure or in a liquid. The switch has a high voltage withstand capability and fast switching times. | 10-11-2012 |
20130020881 | CIRCUIT ARRANGEMENT AND METHOD FOR INTERRUPTING A CURRENT FLOW IN A DC CURRENT PATH - A DC current path for DC power transmission includes at least a first switching element and a second switching element connected in series. A resonance circuit is configured to be connectable in parallel to the series connection of the at least one first switching element and second switching element by means of a switch. | 01-24-2013 |
20130098874 | SWITCH HAVING TWO SETS OF CONTACT ELEMENTS - An exemplary medium or high voltage switch has a first set of contact elements and a second set of contact elements. Each contact element includes an insulating carrier carrying conducting elements. In the closed state of the switch, the conducting elements align to form one or more current paths between terminals of the switch along an axial direction. For opening the switch, the contact elements are mutually displaced by means of one or two drives along a direction perpendicular to the axial direction. The switching arrangement is arranged in a fluid-tight housing in a gas of elevated pressure or in a liquid. The switch has a high voltage withstand capability and fast switching times. | 04-25-2013 |
20130265692 | Dielectric Insulation Medium - A dielectric insulation medium including a hydrofluoro monoether, the hydrofluoro monoether containing at least three carbon atoms. The insulation medium according has high insulation capabilities, in particular a high dielectric strength, and at the same time a low GWP. The invention further includes an insulation medium which is chemically and thermally stable also at temperatures above 140° C., which is non-toxic or has a low toxicity level, and which in addition is non-corrosive and non-explosive. | 10-10-2013 |
20130277334 | Dielectric Insulation Medium - A dielectric insulation medium including a fluoroketone containing 5 carbon atoms, in a mixture with a dielectric insulation gas component different from the fluoroketone, in particular air or an air component, the dielectric insulation medium, in particular the dielectric insulation gas, having a non-linearly increased dielectric strength that is larger than a sum of dielectric strengths of the gas components of the dielectric insulation medium. | 10-24-2013 |
20130278078 | METHOD, CIRCUIT BREAKER AND SWITCHING UNIT FOR SWITCHING OFF HIGH-VOLTAGE DC CURRENTS - A high voltage DC circuit breaker includes a semiconductor switching assembly in series with a mechanical switch. When the semiconductor switching assembly is switched off due to a current fault, a residual current flowing through arresters of the semiconductor switching assembly is switched off by the mechanical switch. A capacitor arranged parallel to the mechanical switch leads to passive resonance effects, which in turn induce current zero crossings in its arc. The current zero crossings allow for reliable extinguishing of the arc. The mechanical switch can be an AC circuit breaker. | 10-24-2013 |
20140151202 | Encapsulated Switchgear - An encapsulated switchgear that includes a housing defining, an insulating space, and an electrical active part arranged in the insulating space, the insulating space with an insulation medium. The switchgear is characterized in that the insulation medium with a dielectric compound having a boiling point of above −5° C. | 06-05-2014 |
20140175341 | Dielectric Insulation Medium - A dielectric insulation medium. The insulation medium is characterized in that it comprises a fluoroketone having from 4 to 12 carbon atoms. | 06-26-2014 |
Patent application number | Description | Published |
20080207143 | Radio communications using scheduled power amplifier backoff - Radio transmissions to multiple radio terminals are improved using scheduled backoff of a multi-signal power amplifier. A radio channel quality associated with each of the radio terminals is determined. First signals for first radio terminals associated with a better channel quality are amplified by a power amplifier during a first time period resulting in a first composite output signal. Second signals for second radio terminals associated with a lower channel quality are amplified by the power amplifier during a second time period resulting in a second composite output signal. Transmission during the first time period occurs at a first power level, e.g., mean power, that is associated with a lower probability of clipping the first composite output signal. During the second time period, the second composite signal is transmitted at a second power level, e.g., mean power, higher than the first power level which improves reception at the second terminals. | 08-28-2008 |
20080267097 | Method and Arrangement for Improved Feeder Sharing in a Telecommunication System - A filter arrangement (EFM) comprises a first terminal (T | 10-30-2008 |
20080287163 | Method and apparatus for converting between a multi-sector, omni-base station configuration and a multi-sector base station configuration - A base station includes multiple sector antenna units. Each sector antenna unit has an antenna for receiving a carrier signal associated with an antenna frequency in an available frequency band. The base station is converted between a multiple sector base station configuration and a multi-sector, omni-base station configuration. In a diversity base station implementation, each sector antenna unit receives a diversity signal from a first sector, and the second diversity antenna unit receives a diversity signal from a second different sector. If one sector antenna unit does not perform properly so that one of the sector diversity signals is lost or corrupted, the other sector diversity signal is still useable. The base station may be reconfigured to power-down at least some part of the transmit side without having to power-down some or all of the receive side. | 11-20-2008 |
20100124936 | Systems and Methods for Tracking Power Peaks of a Signal - In one aspect, the invention provides a method for tracking a mobile terminal. In some embodiments, this method includes the following steps: receiving a signal transmitted from the mobile terminal; searching a primary search area for a signal associated with the mobile terminal; searching a secondary search area for a signal associated with the mobile terminal, wherein the secondary search area is larger than the primary search area; determining the strength of a signal associated with the mobile terminal that was found by searching the secondary search area; and determining whether the primary search area should be modified based on the determined strength of the signal that was found by searching the secondary search area. | 05-20-2010 |
20100151908 | Method and apparatus for converting between a multi-sector, omni-base station configuration and a multi-sector base station configuration - A base station includes multiple sector antenna units. Each sector antenna unit has an antenna for receiving a carrier signal associated with an antenna frequency in an available frequency band. The base station is converted between a multiple sector base station configuration and a multi-sector, omni-base station configuration. In a diversity base station implementation, each sector antenna unit receives a diversity signal from a first sector, and the second diversity antenna unit receives a diversity signal from a second different sector. If one sector antenna unit does not perform properly so that one of the sector diversity signals is lost or corrupted, the other sector diversity signal is still useable. The base station may be reconfigured to power-down at least some part of the transmit side without having to power-down some or all of the receive side. | 06-17-2010 |
20110009132 | POSITIONING WITH SEVERAL OPERATORS - In one aspect, the invention provides apparatuses and methods for determining the location of a wireless user equipment (UE). Advantageously, the location may be determined by combining location estimates from a plurality of wireless network operators to increase accuracy. | 01-13-2011 |
20130039402 | METHOD TO GET A FREQUENCY REFERENCE TO A BASE STATION - The present solution relates to a method in a base station ( | 02-14-2013 |
20130150113 | Radio Base Station and Methods Thereof - The present invention relates to a radio base station (RBS) ( | 06-13-2013 |
20130215800 | METHOD AND ARRANGEMENT FOR FEEDER SHARING IN A TELECOMMUNICATION SYSTEM - A filter arrangement comprises a first terminal that handles duplex radio antenna feeder signals for at least two transceiver modules, a second terminal that handles at least duplex signals for a first transceiver module, a third terminal that outputs a first multi carrier power amplifier system input signal, the input signal representing a transmit signal from the first transceiver module, and a fourth terminal that receives a multi carrier power amplifier system output signal. The output signal includes an amplified representation of the transmit signals from the two transceiver modules. The first and second terminals are connected via first a single filter, the second and third terminals are connected via a second single filter, and the fourth and first terminals are connected via a third single filter. | 08-22-2013 |
20140105203 | Filter Apparatus, Multiplex Device and Associated Method - It is presented a filter apparatus comprising: a first frequency shifter arranged to accept an input signal of the apparatus; a first filter; a second frequency shifter; a second filter; and a third frequency shifter, the output of which is connected to the output of the apparatus. The first frequency shifter, the first filter, the second frequency shifter, the second filter and the third frequency shifter are serially connected; and each one of the first frequency shifter, second frequency shifter and third frequency shifter has separate shift input signals, respectively. A corresponding radio base station assembly and method are also presented. | 04-17-2014 |
20150071149 | Power Saving in a Multiple Sector Radio Base Station - A multiple sector RBS and a method therein for controlling the RBS is provided. The RBS is connectable to multiple sector antenna units supporting N sectors, N≧2, being associated with respective cell ids. The RBS comprises N Radio Units, RUs, serving the sectors. The method comprises transmitting ( | 03-12-2015 |