The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 26, 2001
Filed:
Aug. 16, 1999
Societe Generale de Techniques et d'Etudes, Cergy-Pontoise, FR;
Abstract
The invention relates to a ground power supply device for electric vehicles (,), the device including power supply segments (,) insulated from each other and each having a length less than half the length of the footprint of the vehicle (,), and being adapted to apply a supply voltage to a segment (,) only when said segment (,) is within the footprint of the vehicle (,), the vehicle (,) having a power supply rubbing member (,), and the device being adapted to apply the supply voltage to two adjacent segments (,) when the rubbing member (,) is in simultaneous contact with the two segments (,) and to earth one of the two segments (,) a short time after said rubbing member (,) has left that segment (,).