Patent application number | Description | Published |
20110012696 | SWITCHED ACOUSTIC WAVE RESONATOR FOR TUNABLE FILTERS - A filter for a mobile terminal may include a substrate through which to propagate an acoustic wave; a resonator on a surface of the substrate, the resonator including a first segment and a second segment, the first segment operatively connected to an electrical port; and a switch unit, where the switch unit connects the first segment and the second segment when the switch unit is in one position, the connected first segment and second segment being configured to generate, through the substrate, an acoustic wave at a first frequency, and where the switch unit separates the first segment and the second segment when the switch unit is in another position, the separated first segment being configured to generate, through the substrate, an acoustic wave at a second frequency. | 01-20-2011 |
20110134577 | OVER-VOLTAGE PROTECTION - A device may include a switch and a circuit coupled to the switch. The switch may include a structure with a top portion and a bottom portion and a material included within the structure. The material is configured to expand within the structure when voltage is applied to the material. The switch may also include a conductive element located in a bottom portion of the structure and connected to the material, wherein the conductive element operates to electrically close the switch when the applied voltage exceeds a threshold. The circuit includes a resistor. The circuit is configured to reduce the voltage supplied to components of the device when the switch is closed. | 06-09-2011 |
Patent application number | Description | Published |
20090073076 | ADAPTIVE ANTENNA MATCHING - The present invention relates to a portable communication device and a method of controlling the matching of an antenna in a portable communication device. The device may include an antenna; a radio circuit to send a radio frequency signal to the antenna via a signal path; a matching network including a number of network components and configured to be in the signal path; a detector configured to detect an electromagnetic field from the antenna; and a control unit configured to control matching of the antenna by influencing at least one of the first matching network or the antenna based on the detected electromagnetic field. | 03-19-2009 |
20110063168 | PORTABLE ELECTRONIC DEVICE AND METHOD OF OPERATING THE SAME - A portable electronic device is disclosed. The portable electronic device comprises an antenna with tunable directivity. Furthermore, the portable electronic device comprises an orientation unit adapted to sense an orientation of the portable electronic device. Moreover, the portable electronic device comprises a control unit operatively connected to the orientation unit and the antenna. The control unit is arranged to receive orientation data indicative of the orientation of the portable electronic device from the orientation unit, and to tune the directivity of the antenna based on the received orientation data. A method of operating the portable electronic device is also disclosed. | 03-17-2011 |
20110119018 | ESTIMATION OF AMBIENT TEMPERATURE - An arrangement for estimation of ambient temperature of an electronic device is disclosed. The electronic device comprises a power consuming unit, which is subject to self heating when in use. The arrangement comprises at least a first and a second temperature sensor and a processor. The sensors are adapted to produce first and second temperature measurements as functions of time respectively, and a temperature transport time to the first sensor from the power consuming unit differs from a temperature transport time to the second sensor from the power consuming unit. The processor is adapted to determine an ambient temperature estimate based at least on the first and second temperature measurements as functions of time. Corresponding method and computer program product are also disclosed. | 05-19-2011 |
20110285603 | ANTENNA INTERFACE CIRCUITS INCLUDING TUNABLE IMPEDANCE MATCHING NETWORKS, ELECTRONIC DEVICES INCORPORATING THE SAME, AND METHODS OF TUNING ANTENNA INTERFACE CIRCUITS - An antenna interface circuit for a wireless communication device includes a tunable matching circuit that is coupleable to an antenna. The tunable matching circuit includes a variable impedance element having a variable impedance Ztune. The interface circuit further includes a fixed impedance element having a fixed impedance Zmeas, and a switch coupled to the fixed impedance element and configured to controllably switch the fixed impedance element into electrical communication with the tunable matching circuit. Related devices and methods are also disclosed. | 11-24-2011 |
Patent application number | Description | Published |
20080318423 | PROCESS FOR PRODUCING METAL OXIDE FILMS AT LOW TEMPERATURES - A process for producing metal oxide thin films on a substrate by the ALD method comprises the steps of bonding no more than about a molecular monolayer of a gaseous metal compound to a growth substrate, and converting the bonded metal compound to metal oxide. The bonded metal compound is converted to metal oxide by contacting it with a reactive vapour source of oxygen other than water, and the substrate is kept at a temperature of less than 190° C. during the growth process. By means of the invention it is possible to produce films of good quality at low temperatures. The dielectric thin films having a dense structure can be used for passivating surfaces that do not endure high temperatures. Such surfaces include, for example, organic films in integrated circuits and polymer films such as in organic electroluminescent displays and organic solar cells. Further, when a water-free oxygen source is used, surfaces that are sensitive to water can be passivated. | 12-25-2008 |
20110274837 | ALD REACTOR, METHOD FOR LOADING ALD REACTOR, AND PRODUCTION LINE - An ALD reactor for treating one or more substrates is provided. The ALD reactor includes at least one reaction chamber which has a front plate including gas connections for introducing starting materials, flushing gases and the like gases into the reaction chamber. In addition, the front plate is arranged for being placed over the substrate for closing the reaction chamber and at distance from the substrate surface for opening the reaction chamber such that the substrate is arranged for being loaded below, above or in front of the front plate, when the reaction chamber is in the open state, in which the front plate is at a distance from the substrate and such that the substrate is treatable by the ALD method in the closed state of the reaction chamber, in which the front plate is placed onto the substrate. | 11-10-2011 |
20120067284 | APPARATUS - An apparatus for carrying out atomic layer deposition onto a surface of a substrate by exposing the surface of the substrate to alternate starting material surface reactions, the apparatus including two or more low-pressure chambers, two or more separate reaction chambers arranged to be placed inside the low-pressure chambers, and at least one starting material feed system common to two or more low-pressure chambers for carrying out atomic layer deposition. The apparatus includes at least one loading device arranged to load and unload substrates to/from the reaction chamber and further to load and unload the reaction chambers to/from the low-pressure chambers. | 03-22-2012 |
20120315709 | PROCESS AND APPARATUS FOR PRODUCING A SUBSTRATE - Process for producing a solar cell substrate, where metal particles are deposited on the surface of substrate. Metal particles are produced by liquid flame spraying method in such a way that the mean diameter of the particles to be between 30 nm and 150 nm and the deposition process is controlled in such a way that the average distance between particles is not more than four times the mean diameter of particles. Apparatus for carrying out such process. | 12-13-2012 |
20130000726 | THIN FILM PHOTOVOLTAIC CELL, A METHOD FOR MANUFACTURING, AND USE - A thin film photovoltaic cell ( | 01-03-2013 |
20130069207 | METHOD FOR PRODUCING A DEPOSIT AND A DEPOSIT ON A SURFACE OF A SILICON SUBSTRATE - A deposit and a method for producing a deposit on a surface of a silicon substrate. The deposit comprises aluminum oxide, and the method comprises in any order the alternating steps of a) introducing into a reaction space one of water and ozone as a precursor for oxygen, b) introducing into a reaction space the other of water and ozone as a precursor for oxygen, c) introducing into a reaction space a precursor for aluminum and subsequently purging the reaction space;with the provisions that when step a) or step b) precedes step c) then the reaction space is purged before step c), and that the reaction space is not purged between step a) and step b), when step a) precedes step b) or when step b) precedes step a). | 03-21-2013 |