Leukkunen
Marko Leukkunen, Oulu FI
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20090111398 | Transmitter and transmission method - There is provided an apparatus, having a first local oscillator generate a first oscillation signal, a first mixer generating a transmit signal by mixing an input signal and the first oscillation signal, an observation receiver receiving a portion of the transmit signal, and applying, in a first operation mode of the apparatus, the received portion of the transmit signal such that a transmit signal component on a frequency of the first oscillation signal falls into a band-pass frequency of the observation receiver, and shift, in a second operation mode of the apparatus, the received portion of the transmit signal such that an oscillation leakage signal component of the first oscillation signal falls into the band-pass frequency of the observation receiver; and a compensation unit generating a compensation signal based on the band-pass signal of the observation receiver for compensation of the input signal. | 04-30-2009 |
Marko J. Leukkunen, Oulu FI
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20100102673 | Kinetic harvesting frequency optimizer - Disclosed herein is an apparatus. The apparatus includes a kinetic energy scavenger mechanism and a frequency tuning system. The kinetic energy scavenger mechanism is configured to harvest energy from a movement of a portable device. The kinetic energy scavenger mechanism includes at least one piezo member. The frequency tuning system is connected to the kinetic energy scavenger system. The frequency tuning system is configured to tune a harvesting frequency of the at least one piezo member based on, at least partially, a characterization of the movement of the portable device. | 04-29-2010 |
20120190398 | Usage of antenna for power adjustment - A method is disclosed including, using a measurement antenna in a wireless device, determining whether a user is proximate the wireless device at least by transmitting a signal using the measurement antenna; in response to a determination the user is not proximate the wireless device, transmitting the signal using a main antenna at a normal transmit power; and in response to a determination the user is proximate the wireless device, transmitting the signal using the main antenna at a limited transmit power. Another method includes in response to a determination a user is not proximate a wireless device, transmitting a signal using a first set of main antennas; and in response to a determination the user is proximate the wireless device, transmitting the signal using the second set of main antennas. Apparatus and program products are also disclosed. | 07-26-2012 |
Marko Johannes Leukkunen, Oulu FI
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20090163244 | Synchronization of Mobile Terminals - Embodiments are directed to activation and performance of multiple-subscriber-identity-module (“multi-SIM”) automatic synchronization of mobile devices. A user may specify one or more data types for which multi-SIM automatic synchronization should be performed, which may include incoming calls, sent text messages, and the like. Information about an answered incoming call may be sent from a first mobile device to at least one additional mobile device so that the at least one mobile device may update at least one call log and may remove at least one notification for the call accordingly. When multi-SIM automatic synchronization is performed for sent text messages, the first mobile device may send a copy of the sent text message to the at least one additional mobile device so that the received copy may be stored in the sent messages folder of the at least one additional mobile device. | 06-25-2009 |
Petri Leukkunen, Oulu FI
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20140013108 | On-Demand Identity Attribute Verification and Certification For Services - An apparatus is caused to store identification data of a plurality of clients in memory; cause reception of information indicating at least one identifier of a device corresponding to a client requesting access to a service; verify the identity of the client device on the basis of the received identifier; detect whether or not the identified device is authorized to communicate with the apparatus on the basis of first predetermined criteria; upon detecting that the device is authorized, cause reception of in-formation indicating at least one identifier of the client from the identified device; verify the at least one identifier of the client on the basis of the received identifier and the stored identification data; and determine, on demand, whether to issue a certificate indicating the verifications on the basis of second predetermined criteria in order to enable the client to apply the certificate in accessing the service. | 01-09-2014 |