Patents Assigned to VTT
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Publication number: 20130336095Abstract: The invention relates to a sensor and a system for measuring pressure, variation in sound pressure, a magnetic field, acceleration, vibration, or the composition of a gas. The sensor comprises an ultrasound transmitter, a cavity, and a passive sensor element. In accordance with the invention the sensor includes antenna means for receiving radio frequency signals (f1, f2), and connecting means connecting the antenna to the ultrasound transmitter for using the radio frequency signals for providing energy for driving the ultrasound transmitter.Type: ApplicationFiled: December 7, 2011Publication date: December 19, 2013Applicant: TEKNOLOGIAN TUTKIMUSKESKUS VTTInventors: Heikki Seppa, Teuvo Sillanpaa, Ville Viikari
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Publication number: 20130331518Abstract: The present invention concerns a process for manufacturing a thermoformable plasticized composite containing cellulose fiber and polylactide by blending the dry cellulose fiber and a compatibilizer in a compactor into pellets, and subsequently reacting the reactive compatibilizer and the mixture of cellulose fiber and polylactide by compounding. The invention also concerns a composite manufactured using said process, as well as further processed products.Type: ApplicationFiled: March 5, 2012Publication date: December 12, 2013Applicant: TEKNOLOGIAN TUTKIMUSKESKUS VTTInventors: Kirsi Immonen, Eino Sivonen, Kyosti Valta, Janne Hulkko, Samu Aalto, Pauliina Pitkanen, Kirsi Salorinne
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Publication number: 20130331536Abstract: A method of producing a material comprising nanocellulose and a polymer, comprising carrying out in-situ, ring opening of polymerisation of dry nanocellulose dispersed in a monomer to produce said material. The material can be used as a reinforcing additive for plastics, for example in the form of a plastics masterbatch.Type: ApplicationFiled: January 5, 2012Publication date: December 12, 2013Applicant: TEKNOLOGIAN TUTKIMUSKESKUS VTTInventors: Pauliina Mikkonen, Ulla Laulumaa, Pia Mikkonen
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Publication number: 20130327319Abstract: The present invention concerns a process for the mechanical or mechano-chemical treatment of biomass, wherein a mixture containing the biomass and optional further chemicals is pressed through the openings of one or more compactor one or more times. The process can be operated in a continuous manner by using more than one compactor and more than one compacting cycle, whereby the multiple compactors are operated sequentially.Type: ApplicationFiled: February 23, 2012Publication date: December 12, 2013Applicant: TEKNOLOGIAN TUTKIMUSKESKUS VTTInventors: Kirsi Immonen, Eino Sivonen, Kyosti Valta, Anne Kallioinen, Matti Siika-Aho
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Publication number: 20130311977Abstract: An electronic arrangement for analyzing a model-based testing scenario relating to a system under test (SUT), includes a model handler entity for obtaining and managing model data indicative of a model intended to exhibit the behavior of the SUT, a test plan handler entity for obtaining and managing test plan data indicative of a number of test cases relating to the model and expected outcome thereof, a test execution log handler entity for obtaining and managing test execution log data indicative of the execution of the test cases by the test executor and/or SUT, a communications log handler entity for obtaining and managing communications log data indicative of message traffic between the test executor entity and SUT, and an analyzer entity for detecting a number of failures and their causes in the model-based testing scenario on the basis of model, test plan, test execution log and communications log data.Type: ApplicationFiled: February 2, 2012Publication date: November 21, 2013Applicant: Teknologian turtkimuskeskus VTTInventors: Mikko Nieminen, Tomi Raty
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Publication number: 20130278356Abstract: The invention relates to an acoustically coupled thin-film BAW filter, comprising a piezoelectric layer, an input-port on the piezoelectric layer changing electrical signal into an acoustic wave (SAW, BAW), and an output-port on the piezoelectric layer changing acoustic signal into electrical signal. In accordance with the invention the ports include electrodes positioned close to each other, and the filter is designed to operate in first order thickness-extensional TE1 mode.Type: ApplicationFiled: October 14, 2011Publication date: October 24, 2013Applicant: TEKNOLOGIAN TUTKIMUSKESKUS VTTInventors: Johanna Meltaus, Tuomas Pensala
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Patent number: 8558643Abstract: The invention relates to a micromechanical device comprising a semiconductor element capable of deflecting or resonating and comprising at least two regions having different material properties and drive or sense means functionally coupled to said semiconductor element. According to the invention, at least one of said regions comprises one or more n-type doping agents, and the relative volumes, doping concentrations, doping agents and/or crystal orientations of the regions being configured so that the temperature sensitivities of the generalized stiffness are opposite in sign at least at one temperature for the regions, and the overall temperature drift of the generalized stiffness of the semiconductor element is 50 ppm or less on a temperature range of 100° C. The device can be a resonator. Also a method of designing the device is disclosed.Type: GrantFiled: May 10, 2012Date of Patent: October 15, 2013Assignee: Teknologian Tutkimuskeskus VTTInventors: Mika Prunnila, Antti Jaakkola, Tuomas Pensala
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Publication number: 20130244276Abstract: The present invention relates to a method for genetically modifying a filamentous fungus host for improved protein production. The method comprises that a filamentous fungus host is genetically modified to be deficient or to overexpress specific genes. The invention relates also to the modified hosts. Furthermore, the invention relates to a method for improved production or for producing an improved composition of proteins, such as cellulases, hemicellulases, other proteins involved in the degradation of lignocellulosic material, or other proteins, in a filamentous fungus host.Type: ApplicationFiled: May 30, 2011Publication date: September 19, 2013Applicant: TEKNOLOGIAN TUTKIMUSKESKUS VTTInventors: Tiina Pakula, Markku Saloheimo, Mari Hakkinen, Ann Westerholm-Parvinen, Merja Penttila, Marika Vitikainen
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Publication number: 20130234931Abstract: An electronic device for visualizing data and receiving related gesture-based control input from a user, configured to obtain digital image data utilizing a number of camera entities and to derive the control input on the basis of the image data, the electronic device including a display panel for displaying data to a user, and at least one protective element integrated with the display panel and including, as disposed at the periphery region around the active area of the display panel, the number of camera entities substantially embedded therein, the protective element including material that is optically substantially transparent relative to the predetermined reception wavelengths of the optically sensitive areas of the camera entities and substantially covers the sensitive areas, the camera entities in the protective element to span at least partially overlapping fields of view substantially in front of the display panel. A corresponding method of manufacture is presented.Type: ApplicationFiled: March 5, 2013Publication date: September 12, 2013Applicant: Teknologian tutkimuskeskus VTTInventors: Antti KERANEN, Mikko HEIKKINEN
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Publication number: 20130219773Abstract: The invention relates to a method for producing a pyrolysis liquid, wherein the pyrolysis liquid is formed by means of pyrolysis from a raw material by forming, in a pyrolysis reactor, a gaseous pyrolysis product by pyrolysis and condensing it in a condenser into a pyrolysis liquid, and feeding circulation gas into the pyrolysis reactor. According to the invention, the circulation gas is conducted by means of a liquid ring compressor into the pyrolysis reactor and purified before being conducted into the pyrolysis reactor, and the pyrolysis liquid is used as the liquid layer in the liquid ring compressor. Further, the invention relates to a corresponding apparatus.Type: ApplicationFiled: February 22, 2013Publication date: August 29, 2013Applicants: TEKNOLOGIAN TUTKIMUSKESKUS VTT, METSO POWER OYInventors: Metso Power OY, Teknologian Tutkimuskeskus VTT
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Publication number: 20130224490Abstract: The present invention relates to a process for forming cobalt nanoparticles and coating them with copper or copper oxide, in which process a copper salt is mixed to a cobalt salt so that the formed salt mixture obtains a cobalt:copper ratio of >1:1, and a reduction is carried out with a reducing gas, whereby nanoparticles are formed while a coating is formed onto their surface.Type: ApplicationFiled: February 7, 2011Publication date: August 29, 2013Applicant: TEKNOLOGIAN TUTKIMUSKESKUS VTTInventors: Ari Auvinen, Jorma Jokiniemi, Pipsa Mattila, Unto Tapper
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Patent number: 8518653Abstract: A binding partner, especially an antibody fragment that specifically recognizes an antigen-antibody immune complex between anti-THC and THC (tetrahydrocannabinol), is disclosed. The binding partner facilitates a non-competitive homogenous immunoassay for detection of cannabis use. A test kit comprising the binding partner is also described. Preferably the immunoassay is applied for roadside testing of saliva from suspected drivers.Type: GrantFiled: June 5, 2009Date of Patent: August 27, 2013Assignee: Teknologian Tutkimuskeskus VTTInventors: Kristiina Takkinen, Hans Söderlund, Timo Pulli
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Patent number: 8511570Abstract: The invention concerns a transponder (10), kit and method for marking wood material, such as logs. The transponder comprises a rigid casing adapted to be inserted into the wood material by means of impact, the casing comprising a wedge-shaped first edge (12) adapted to penetrate into the wood material due to said impact, and a second edge (16) opposite to the first edge, the first and second edges (12, 16) defining an insertion direction of the transponder, and radio-frequency trans-ponding means (20) covered by the casing. According to the invention, the casing is elongated in a direction perpendicular to the insertion direction. The transponder is easily applicable into a log and stays well within the log.Type: GrantFiled: December 17, 2009Date of Patent: August 20, 2013Assignees: Teknologian Tutkimuskeskus VTT, SP Technical Research Institute of SwedenInventors: Janne Häkli, Kaarle Jaakkola, Kaj Nummila, Juha-Matti Saari, Bo Axelsson, Kari Kolppo
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Publication number: 20130208285Abstract: The invention relates to a device and method for measuring the properties of a surface. The device comprises means for producing illuminating light, which means are arranged to aim the illuminating light at the surface to be measured using at least two different wavelengths and at least two different angles, as well as means for directing the light reflected or scattered from the surface to a detector, in order to create an image of the surface to be measured. The device according to the invention further comprises at least one reference surface, the contents of which can be placed in the vicinity of the surface to be measured, in such a way that the illuminating light is also aimed at the reference surface and the light reflected or scattered from the reference surface can also be directed to the detector. The invention makes possible excellent measurement precision and repeatability, using a simple device construction with low production costs.Type: ApplicationFiled: July 8, 2011Publication date: August 15, 2013Applicant: TEKNOLOGIAN TUTKIMUSKESKUS VTTInventors: Jari Miettinen, Heimo Keranen, Karri Niemela
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Publication number: 20130203427Abstract: A method for selecting one or more resources for use from among a set of resources comprises obtaining (201) a first sub-set of the resources. The resources belonging to the first sub-set are the ones which have, according to occupancy information gathered over a long period of time, highest probabilities of matching requirements related to estimated usage time and/or needed capacity. The method further comprises selecting (202) a second sub-set from among the first sub-set of the resources on the basis of second occupancy information gathered over a short period of time. The resources belonging to the second sub-set are the ones from among the first sub-set which, according to the second information, have highest probabilities of matching requirements related to estimated usage time and/or needed capacity. The subsequent use of the long and short term occupancy information increases the probability of optimal selection.Type: ApplicationFiled: June 10, 2011Publication date: August 8, 2013Applicant: TEKNOLOGIAN TUTKIMUSKESKUS VTTInventors: Marko Hoyhtya, Heli Sarvanko, Johanna Vartiainen
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Publication number: 20130187724Abstract: The invention relates to a temperature compensated micromechanical resonator and method of manufacturing thereof. The resonator comprises a resonator element comprising a semiconductor crystal structure, which is doped so as to reduce its temperature coefficient of frequency, transducer means for exciting to the resonator element a vibrational mode. According to the invention the crystal orientation and shape of the resonator element are chosen to allow for a shear mode having a saddle point to be excited to the resonator element, and said transducer means are adapted to excite said shear mode to the resonator element. Accurate micromechanical resonators with now temperature drift can be achieved by means of the invention.Type: ApplicationFiled: August 11, 2011Publication date: July 25, 2013Applicant: TEKNOLOGIAN TUTKIMUSKESKUS VTTInventors: Antti Jaakkola, Tuomas Pensala
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Patent number: 8476027Abstract: A binding partner, especially an antibody fragment that specifically recognizes an antigen-antibody immune complex between anti-THC and THC (tetrahydrocannabinol), is disclosed. The binding partner facilitates a non-competitive homogenous immunoassay for detection of cannabis use. A test kit comprising the binding partner is also described. Preferably the immunoassay is applied for roadside testing of saliva from suspected drivers.Type: GrantFiled: June 5, 2009Date of Patent: July 2, 2013Assignee: Teknologian Tutkimuskeskus VTTInventors: Kristiina Takkinen, Hans Söderlund, Timo Pulli
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Publication number: 20130147021Abstract: A method for manufacturing a multi-layer substrate structure such as a CSOI wafer structure (cavity-SOI, silicon-on-insulator) comprising obtaining a first and second wafer, such as two silicon wafers, wherein at least one of the wafers may be optionally provided with a material layer such as an oxide layer (302, 404), forming a cavity on the bond side of the first wafer (306, 406), depositing, preferably by ALD (Atomic Layer Deposition), a material layer, such as thin alumina layer, on either wafer arranged so as to at least in places face the other wafer and cover at least portion of the cavity of the first wafer, such as bottom, wall and/or edge thereof, and enable stopping etching, such as dry etching, into the underlying material (308, 408), and bonding the wafers provided with at least the aforesaid ALD layer as an intermediate layer together to form the multi-layer semiconductor substrate structure (310, 312). A related multi-layer substrate structure is presented.Type: ApplicationFiled: June 21, 2011Publication date: June 13, 2013Applicant: TEKNOLOGIAN TUTKIMUSKESKUS VTTInventors: Riikka Puurunen, Kimmo Henttinen, Hannu Kattelus, Tommi Suni
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Publication number: 20130143037Abstract: The present invention relates to a process of producing an oxide coating, wherein an oxide or oxide composite composition is manufactured, then heated and, finally, sprayed onto a substrate by a thermal spraying process into a completely amorphous coating. The invention also relates to such a completely amorphous coating and to a substrate equipped with such a coating.Type: ApplicationFiled: July 1, 2011Publication date: June 6, 2013Applicant: TEKNOLOGIAN TUTKIMUSKESKUS VTTInventors: Tomi Suhonen, Tommi Varis, Erja Turunen, Simo-Pekka Hannula
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Publication number: 20130112755Abstract: The present publication discloses an electronic code, comprising a substrate (105, 10) of essentially electrically non-conducting material,several electrically conducting code elements (108) formed on the substrate. In accordance with the invention at least one code element (101, 108) comprises an editable area (109), the conductance of which can be altered electrically.Type: ApplicationFiled: December 13, 2010Publication date: May 9, 2013Applicant: TEKNOLOGIAN TUTKIMUSKESKUS VTTInventors: Mark Allen, Ari Alastalo, Mikko Aronniemi, Jaakko Leppäniemi, Tomi Mattila, Heikki Seppä