Patent · US Expired

Ignition output stage

US6018202A · kind A · utility

5Cited by

3References

5Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Horst Meinders · Reutlingen, DE
Richard Schleupen · Großingersheim, DE

Key dates

Filing date	Mar 9, 1998
Grant date	Jan 25, 2000
Priority date	—
Expiry date	Mar 9, 2018

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02P15/10
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

An ignition output stage is described, in particular for an internal combustion engine, in which the output stage is constructed as a two- or three-stage Darlington and provided either with an internal single-stage or an external multiple- stage clamping via a Zener diode for protection from surges, while a short-circuit transistor is provided for protection from parasitic currents at the control terminal of the Darlington in parallel to the base-emitter junction of the ignition Darlington.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.