Apparatus for Synchronizing Clock Frequencies

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United States of America Patent

APP PUB NO 20150312020A1
SERIAL NO

14649258

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An apparatus for synchronizing the clock frequencies of a first electronics unit arranged on the primary side, and a second electronics unit arranged on the secondary side. Associated with the first electronics unit is a clock signal producer, which produces a clock signal having a reference clock frequency, wherein a transmission unit is provided between the first electronics unit and the second electronics unit. A first control unit is provided, which operates the transmission unit with a clock frequency, which amounts to a fraction of the reference clock frequency of the first electronics unit, wherein a second control unit is provided, which couples the clock frequency out to the secondary side and, based on the out-coupled clock frequency, produces for the second electronics unit a clock frequency, which is synchronous with the reference clock frequency of the first electronics unit.

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Patent Owner(s)

Patent OwnerAddress
ENDRESS + HAUSER GMBH + CO KGHAUPTSTRASSE 1 MAULBURG 79689

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ferraro, Franco Schworstadt, DE 21 66
Rombach, Walter Rheinfelden, DE 4 12
Uppenkamp, Kaj Wehr, DE 21 50
Wernet, Armin Rheinfelden, DE 38 107

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