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Hyttinen

Jari Hyttinen, Tampere FI

Patent application numberDescriptionPublished
20100286507DETERMINING THE POSITION OF A NEEDLE - An arrangement for determining the position of a needle in an organ system and a method utilizing the arrangement in cosmetic treatment or cosmetic surgery. The arrangement (11-11-2010

Keijo Hyttinen, Kajaani FI

Patent application numberDescriptionPublished
20090268625Communication Method and a Radio System - The network system of an orthogonal frequency division multiplexing radio system measures a quality of a signal from a user terminal. At least one compared property of the signal is compared with a predetermined threshold. The comparison includes a comparison involving the measured quality. A number of sub-channels for the user terminal is decreased if each comparison operation indicates that a compared property is at the predetermined threshold or within a predetermined range of the threshold. A control signal about a decrease is transmitted to the user terminal. The user terminal transmits with the decreased number of sub-channels as a response to the control signal.10-29-2009

Mats Hyttinen, Ludvika SE

Patent application numberDescriptionPublished
20090295225MODULAR HVDC CONVERTER - A modular HVDC converter system including a high voltage direct current network, and at least two DC/AC converters being connected in series to the HVDC network. Each of the DC/AC converters is arranged to provide AC to a separate AC load.12-03-2009

Riku Hyttinen, Kerava FI

Patent application numberDescriptionPublished
20100094802METHOD AND A SYSTEM FOR REPLICATING DATABASES - A method for replicating databases, in which method at least two databases are replicated, each database comprising of one or more tables, and each table having data and a unique tree index comprising index keys and hierarchical sums of cyclic redundancy check values calculated from the data on each tree index level. In the method logical consistency of the data between corresponding tables in the databases is maintained by comparing the sums of cyclic redundancy check values of the database tables; and if a difference between the sums of the cyclic redundancy check values is found, the tree indexes are logically divided into two sub tree indexes, and the sums of the cyclic redundancy check values of the sub tree indexes are compared to each other and the comparison and division is continued until the data causing the difference is found, and the inconsistent data is replicated between the databases.04-15-2010