Global Patent Index - EP 0940792 A3

EP 0940792 A3 2000-09-06 - Method to detect vehicles

Title (en)

Method to detect vehicles

Title (de)

Verfahren zum Detektieren von Fahrzeugen

Title (fr)

Procédé de détection de véhicules

Publication

EP 0940792 A3 (DE)

Application

EP 99103249 A

Priority

DE 19809058 A

Abstract (en)

[origin: EP0940792A2] The method involves signal processing the output of at least one sensor of motor vehicle noise and analyzing it for characteristics specific to motor vehicles. A detection signal is output if such characteristics are detected. The analysis is conducted in several mutually independent stages (15, 16, 17) according to qualitatively different characteristics. A slave alarm signal is generated in each stage after extracting such a characteristic with sufficient confidence. The slave signals are combined to form a master alarm signal representing the detection or alarm signal.

IPC 1-7 (main, further and additional classification)

G08G 1/04

IPC 8 full level (invention and additional information)

G08G 1/04 (2006.01)

CPC (invention and additional information)

G08G 1/04 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 0940792 A2 19990908; EP 0940792 A3 20000906; EP 0940792 B1 20040728; DE 19809058 A1 19990909; DK 0940792 T3 20041004

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