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You can use Global Patent Index (GPI) to carry out detailed searches in the EPO's worldwide bibliographic (DOCDB), legal event (INPADOC) and full-text data sets, and download or visualise the search results for statistical analysis.

Current content: 157 484 516 patent documents

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147 225 new documents added

921 612 documents amended

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EP 0409343 A1 19910123 - Vehicle identification system.

Title (en)

Vehicle identification system.

Title (de)

Fahrzeugidentifikationssystem.

Title (fr)

Système d'identification d'un véhicule.

Publication

EP 0409343 A1 19910123 (EN)

Application

EP 90201931 A 19900716

Priority

NL 8901836 A 19890717

Abstract (en)

An electromagnetic detection and identification system for identifying vehicles or their occupants. An interrogation field is generated by a transmitter/receiver through an antenna coil. The vehicles are provided with an opening surrounded by at least one frame and a responder is arranged on or in each vehicle in the vicinity of said frame.

IPC 1-7

G08G 1/123

IPC 8 full level

G08G 1/017 (2006.01)

CPC (source: EP)

G08G 1/017 (2013.01)

Citation (search report)

[A] EP 0002469 A1 19790627 - SIEMENS AG [DE]
[A] EP 0040544 A2 19811125 - TAG RADIONICS LTD [GB]

Designated contracting state (EPC)

AT BE CH DE FR GB IT LI NL

DOCDB simple family (publication)

EP 0409343 A1 19910123; CA 2021223 A1 19910118; NL 8901836 A 19910218

DOCDB simple family (application)

EP 90201931 A 19900716; CA 2021223 A 19900716; NL 8901836 A 19890717