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.

Date of Patent:
Dec. 01, 1998

Filed:

Nov. 01, 1996
Applicant:
Inventors:

Gianni Regazzi, Bologna, IT;

Alessandro Venturoli, Bologna, IT;

Andrea Sani, Ferrara, IT;

Assignee:

Ducati Energia S.P.A., Bologna, IT;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60R / ;
U.S. Cl.
CPC ...
340426 ; 340428 ; 307 102 ; 307 105 ; 180287 ;
Abstract

An electronic ignition and alarm system for motorcycles. An electronic circuit for reading a coded signal emitted by a code-generating integrated circuit inside the ignition key, can be connected inductively or by electric contact means to a microcontroller programmed to enabling the operation of the ignition circuit of the engine after identification of the coded-signal. The coded-signal reader and the microcontroller are fed by a power source comprising a capacitor for storing the energy supplied by the voltage generator of the ignition circuit of the motorcycle. The energy storage capacitor can be connected to the voltage generator via a first low-impedance circuit comprising an electronic trigger switch deactivated by a control circuit which controls the charging voltage of the energy storage capacitor upon start-up of the engine, before activation of the ignition circuit, or, respectively, via a high-impedance circuit which maintains the charging voltage of the capacitor to reduce current drainage of the voltage generator by the capacitor during running of the engine.


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