SWITCHING ASSEMBLY FOR THE TOP PORTION OF AN AUTOMOBILE STEERING COLUMN, AND CORRESPONDING CONTROL ASSEMBLY AND METHOD
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United States of America Patent
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Issued Date -
Jul 28, 2011
app pub date -
Jul 3, 2009
filing date -
Jul 3, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a switching assembly for the top portion of an automobile steering column that comprises: a base substrate (5) having a plurality of locations (E1, E2, E3, E4) connectable to switching module (7) connectors, each switching module (7) having at least one switch (15) capable of going into switching mode on the basis of the control position used by a user; a microcontroller (17) for managing the switching assembly, characterized in that: each location (E1, E2, E3, E4) includes at least two digital inputs connected to identical digital outputs (s1, s2) of said microcontroller (17) and at least two digital outputs connected to identical digital inputs (e1, e2, e3, e4) of said microcontroller (17); and said microcontroller (17) is configured to be able to deduce, from a sequence of digital signals sent by said microcontroller (17) to each location and digital signals received by said microcontroller (17) from each location (E1, E2, E3, E4) and corresponding to electric signals having transited through a switching module connected to a location, at least one switching mode of a switch of said switching module. The invention also relates to a corresponding control assembly and control method.
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