Data bus
AssigneeThomson Licensing
InventorsAlfred Selz, Veit Armbruster
Life of this patent
Estimating the term…
Abstract
In apparatuses (1, 2, 3) controlled or operated via an I2 C bus, it may be necessary to take measures to suppress interference signals at the data signal input/output of the respective apparatus without impairing the data transport at the same time. The data line at the data signal input/output contains an RC element, in the form of a low-pass filter, with a diode connected in parallel with the RC element, the low-pass filter action allowing the arrangement to be used to suppress interference signals acting on the data signal input/output, and, secondly, the transmissive action of the diode meaning that the arrangement does not impair a data signal leaving the data signal input/output.
Claims3
Data transfer system for intercommunicating apparatuses having a data bus which comprises a serial data line and a serial clock signal line and having interference signal suppression means for preventing signal crosstalk from the clock signal line to the data line and/or vice versa, wherein the data line to the data signal input/output of an apparatus connected to the data bus contains an RC element, in the form of a low-pass filter, with a diode connected in parallel with the RC element, the low-pass filter action allowing said arrangement to be used to suppress interference signals acting on the data signal input/output, and, secondly, the transmissive action of the diode meaning that said arrangement does not impair a data signal leaving the data signal input/output.
Dependencies are inferred from the claim text.