Patent ID: 6075444
Filing Date: 2000-06-13
Classification: A61B,B60K,B60W,G01N

Abstract:
An arrangement for blocking an intoxicated operator from operating a motor vehicle having an electric ignition, the intoxicated operator having a blood alcohol content and the arrangement comprising:a measuring apparatus for determining the blood alcohol content of the operator;said measuring apparatus including a strap for attaching said measuring apparatus to a limb of said operator;said measuring apparatus also including a gas sensor mounted therein and said gas sensor being disposed so as to lie against the surface of the skin of said operator to measure said blood alcohol content via permeation through the skin;an evaluation unit physically separate from said measuring apparatus and operatively connected to said motor vehicle and having an output for emitting an enable signal to said motor vehicle to permit said operator to start and operate said motor vehicle;an interface between said measuring apparatus and said evaluation unit for passing a signal representing measurement data indicative of said blood alcohol content from said measuring apparatus to said evaluation unit;said interface being a wireless, bidirectional transmission path between said measuring apparatus and said evaluation unit;said evaluation unit including means for evaluating said measurement data and for outputting said enable signal via said output when said measurement data satisfies at least one predetermined condition;said measuring apparatus including a memory for storing an identifier specific to said operator; and,said evaluation unit including: means for detecting said identifier;means for comparing said measured data to said predetermined condition only after detection and identification of said identifier; and,said output of said evaluation unit being connected to said electric ignition of said motor vehicle so that said motor vehicle can be started only after said enable signal is outputted.