G - Physics – 01 – P
Patent
G - Physics
01
P
G01P 1/12 (2006.01) G07C 5/08 (2006.01)
Patent
CA 2098709
For the high resolution recording of driving data, especially at the beginning of accident situations, it is proposed to use a memory control which continually scans the analog measured signals (1) detected by the sensory measuring device of a data sensing device suitable for use in vehicles, following the digitalization of the signals; the memory control scans these signals according to two different frequencies (f1 and f2), and stores them respectively in two annular memory units, arranged in parallel and cycled for f1 and f2 respectively. As soon as an accident event is recognized, the slower-cycled annular memory unit (22) stops after a predetermined follow-on time (9), while simultaneously the recording of data by the rapidly cycled annular memory unit (23) is immediately interrupted and shifts to a further semiconductor memory unit (26) to continue the recording of high- frequency data for the duration of the accident phase.
Bacic Helmut
Gruler Martin
Schultze Hartmut
Macrae & Co.
Mannesmann Kienzle Gmbh
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