Patent application number | Description | Published |
20090054034 | Maintaining Mobile Terminal Information for Secure E-Mail Communications - Methods and systems for maintaining mobile terminal information for secure email communications are provided. Information concerning multiple mobile terminals are maintained. Such information may include encryption information and an identifier for each mobile terminal. A service activation code that includes encryption information and an identifier from an authenticated user of the mobile terminal is received. The encryption information may be provided to a connectivity function for use in establishing an encrypted data channel. The established encrypted data channel may then be used to convey e-mail communications to and from the mobile terminal. | 02-26-2009 |
20110051610 | MAINTAINING AN IP CONNECTION IN A MOBILE NETWORK - A method for IP [=Internet Protocol] communication between a mobile terminal and its correspondent node in a mobile radio network. The method comprises establishing ( | 03-03-2011 |
20130230187 | APPARATUS AND METHOD FOR DERIVING A DIRECTIONAL INFORMATION AND COMPUTER PROGRAM PRODUCT - An apparatus for deriving a directional information from a plurality of microphone signals or from a plurality of components of a microphone signal, wherein different effective microphone look directions are associated with the microphone signals or components, has a combiner configured to obtain a magnitude value from a microphone signal or a component of the microphone signal. The combiner is further configured to combine direction information items describing the effective microphone look directions, such that a direction information item describing a given effective microphone look direction is weighted in dependence on the magnitude value of the microphone signal, or of the component of the microphone signal, associated with the given effective microphone look direction, to derive the directional information. | 09-05-2013 |
20140324504 | DATABASE SYNCHRONIZATION VIA A MOBILE NETWORK - An apparatus adapted to operate as an A party in a database synchronization with a B party via a mobile communication network. The database contains data items to be synchronized. The apparatus includes mechanisms for maintaining a copy of the database and a client-server communication module with a client part and a server part. The client part is configured to communicate via the mobile communication network with the server part of the B party. The apparatus also includes change detection mechanisms responsive to a detection of a changed data item, for initiating a synchronization event via the client part of the client-server communication module. | 10-30-2014 |
Patent application number | Description | Published |
20090104369 | METHOD FOR PRODUCING FUNCTIONAL GLASS SURFACES BY CHANGING THE COMPOSITION OF THE ORIGINAL SURFACE - A method for modifying glassy surfaces including: producing nanoparticles; depositing the said nanoparticles on a surface; providing energy to the particles and/or surface so that the nanoparticles are at least partly diffused/dissolved into the glassy surface; and reducing the cohesive energy of the nanoparticles during the production of the nanoparticles or after the production of the nanoparticles. | 04-23-2009 |
20100047554 | METHOD AND APPARATUS FOR MODIFYING SURFACE LAYER OF GLASS AND GLASS PRODUCT HAVING MODIFIED SURFACE LAYER - The invention relates to a method of modifying a surface of a glass product. The method comprises conveying particles to the surface of the glass, a material contained in the particles being at least partly dissolved and diffused in the glass. The method comprises a step of heating the surface of the glass. The invention further relates to an apparatus for modifying a surface of a hot glass product. The invention still further relates to glass products wherein the content of an element which provides the glass with a functionality decreases steplessly upon proceeding from the surface of the glass deeper into the glass. | 02-25-2010 |
20110014385 | METHOD AND APPARATUS FOR COATING AN ARTICLE USING A SPRAY-COATING METHOD - The invention relates to a method and apparatus for coating an article using a spray-coating method. Coating can be produced by atomizing a fluid coating precursor material into droplets with an average diameter of 0.5 to 5 micrometres. The droplets are introduced onto the article to be coated at a velocity that exceeds the critical impaction velocity. The evaporation of the droplets can be controlled by controlling the concentration of the fluid precursor material solvent in the spray chamber. | 01-20-2011 |
20110027475 | METHOD AND DEVICE FOR STRUCTURING A SURFACE - The invention relates to a method and a device for structuring a surface of a material by directing at a surface to be structured ( | 02-03-2011 |
20110041556 | GLASS SURFACE MODIFICATION PROCESS - Process for improving the chemical durability of glass by modifying at least one surface of a glass substrate. The modification process utilizes crystalline metal oxide particles with a mean aerodynamic particle diameter of less than 1000 nm, which are at least partially embedded on and into the glass surface. Apparatus for depositing crystalline metal oxide particles on glass surface. | 02-24-2011 |
20120060536 | METHOD AND APPARATUS FOR TEMPERING MATERIAL - A method and apparatus for tempering material is provided. One or more liquids are atomized by at least one sprayer into droplets which are guided towards a surface of a hot material so that at least some of the droplets collide with the surface of the hot material and evaporate, thus removing thermal energy from the surface layer of the hot material. Impact members may be used to further reduce the size of the droplets. The droplets may be guided to the surface by a separate guiding gas flow. | 03-15-2012 |
Patent application number | Description | Published |
20100143157 | METHOD AND SYSTEM FOR DETECTING CAVITATION OF PUMP AND FREQUENCY CONVERTER - A method and a system are disclosed in accordance with a pump controlled with a frequency converter. An exemplary method includes controlling the pump with a frequency converter, the frequency converter feeding a motor connected to drive the pump, providing a torque estimate (T | 06-10-2010 |
20110200454 | METHOD IN CONNECTION WITH A PUMP DRIVEN WITH A FREQUENCY CONVERTER AND FREQUENCY CONVERTER - An exemplary frequency converter and method are directed to estimating an operation point of a pump when the QH characteristic curve of the pump is known. The frequency converter controls the pump, and a process curve is estimated when a first operation point of the pump is in the nominal range. The process curve defines a head as a function of volumetric flow. A rotational speed of the pump is determined and a QH characteristic curve of the pump is converted to a current rotational speed of the pump based on affinity laws. A second operation point of the pump is estimated by determining an intersection point of the converted QH characteristic curve and the estimated process curve. | 08-18-2011 |
20120247200 | METHOD OF DETECTING WEAR IN A PUMP DRIVEN WITH A FREQUENCY CONVERTER - A method and an arrangement for detecting wear of a pump are disclosed, which pump is controlled with a frequency converter providing rotational speed and torque estimates, characteristic curves of the pump being known. An exemplary method includes obtaining a value representing the operating point of the pump by measuring the flow (Q | 10-04-2012 |
20120251292 | METHOD AND ARRANGEMENT FOR ESTIMATING FLOW RATE OF PUMP - A method and arrangement for determining the flow rate (Q) produced by a pump, when the pump is controlled with a frequency converter, which produces estimates for rotational speed and torque of the pump, and the characteristic curves of the pump are known. The method includes determining the shape of a QH curve of the pump, dividing the QH curve into two or more regions depending on the shape of the QH curve, determining on which region of the QH curve the pump is operating, and determining the flow rate (Q) of the pump using the determined operating region of the characteristic curve. | 10-04-2012 |
20120251340 | METHOD FOR IMPROVING SENSORLESS FLOW RATE ESTIMATION ACCURACY OF PUMP DRIVEN WITH FREQUENCY CONVERTER - An exemplary method for determining a flow rate of a pump, includes measuring and storing the flow rate (Q | 10-04-2012 |
20130129481 | METHOD FOR DETECTING THE CORRECT ROTATIONAL DIRECTION OF A CENTRIFUGAL APPARATUS, AND A CENTRIFUGAL APPARATUS ASSEMBLY - A method is disclosed for detecting the correct rotational direction of a centrifugal apparatus. The method can include detecting the correct rotational direction of the centrifugal apparatus based on an acceleration test and/or a deceleration test. The detecting of correct rotational direction of the centrifugal apparatus can include comparing an acceleration time (t | 05-23-2013 |
20130164146 | METHOD AND APPARATUS FOR OPTIMIZING ENERGY EFFICIENCY OF PUMPING SYSTEM - A method and apparatus for optimizing energy efficiency of a pumping system includes at least one pump that controls a fluid level in a reservoir. The method includes a system identification stage and an energy efficiency optimization stage. The system identification stage includes determining pump characteristics for the pump, operating the pump with a range of flow rate conditions, determining a set of data points, and calculating energy efficiency optimization characteristics. The energy efficiency optimization stage includes determining a present static head value, choosing a value for a pump control parameter, and operating the pump on the pump control parameter. | 06-27-2013 |
20130185002 | METHOD FOR DETECTING THE CORRECT ROTATIONAL DIRECTION OF A CENTRIFUGAL APPARATUS, AND A CENTRIFUGAL APPARATUS ASSEMBLY - A method is provided for detecting the correct rotational direction of a centrifugal apparatus. The method includes rotating the centrifugal apparatus in a first direction, acquiring first frequency data relating to the step of rotating the centrifugal apparatus in the first direction, rotating the centrifugal apparatus in a second direction, which is opposite to the first direction, and acquiring second frequency data relating to the step of rotating the centrifugal apparatus in the second direction. The method also includes detecting the correct rotational direction of the centrifugal apparatus based on comparing the first frequency data with the second frequency data, the comparison being carried out with respect to at least one significant frequency range. In each of the at least one significant frequency range, a smaller magnitude is interpreted as an indication of the correct rotational direction. | 07-18-2013 |
20130197826 | METHOD AND APPARATUS FOR MONITORING AIR FILTER CONDITION - A method and apparatus are disclosed for monitoring accumulation of dirt on an air filter of a ventilation system including the filter and a fan controlled by a frequency converter. An initial value for an operating parameter is determined. A present operating point is determined based on a characteristic curves, and the mechanical power and rotational speed of the fan. A present value for the operating parameter is determined based on the present operating point, and accumulation of dirt is determined on the air filter based on the initial and present values of the operating parameter. | 08-01-2013 |
20130297079 | METHOD FOR TUNING A VENTILATION SYSTEM - A method includes selecting the branch of a ventilation system with the greatest pressure loss, opening a control valve in the selected branch and closing control valves in all other branches, controlling a fan to produce the desired air flow rate into the selected branch by using fan characteristic shaft power to air flow rate curves, and a shaft power estimate from the frequency converter and by adjusting the rotational speed of an electric motor to achieve the desired air flow rate, calculating the fan pressure corresponding to the desired air flow rate from fan characteristic fan pressure to air flow rate curves, saving the calculated fan pressure as a reference pressure, and adjusting the control valves in each of the remaining branches so that the desired air flow rate to each branch is delivered while the fan is controlled by the frequency converter to produce the reference pressure. | 11-07-2013 |
20140136000 | METHOD FOR APPROXIMATING A STATIC HEAD OF A FLUID TRANSFER SYSTEM - The present disclosure is directed to a method and apparatus for approximating a static head of a fluid transfer system including a fluid transfer device. The method can include determining a rotational speed and a power consumption of the fluid transfer device, determining a first set of data points, calculating a second set of data points on the basis of the first set of data points, determining a minimum rotational speed producing flow through the fluid transfer device on the basis of the second set of data points, and determining the static head on the basis of the minimum rotational speed. | 05-15-2014 |
20150086382 | PUMPING SYSTEM CONTROL - A method and a control arrangement are disclosed to measure a total flow rate through a pump device before a pump pressure or rotational speed change; and to change at least one of: the pump pressure by a predetermined pressure step or the pump rotational speed by a predetermined rotational speed step. The arrangement can measure a total flow rate through the pump device after the pump pressure or rotational speed change; and determine a need for a further pump pressure or rotational speed change step based on total flow rate measurements carried out before and after the pump pressure change. | 03-26-2015 |