Cyclical reset of vehicular microcomputers for economic error immunity

US4562544A · kind A · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Jorg Bonitz · Mühlacker, DE
• Robert Entenmann · Memmingen, DE
• Geza Killi · Stuttgart, DE
• Rochus Knab · Kornwestheim, DE
• Bernhard Miller · Weil der Stadt, DE
• Siegfried Rohde · Schwieberdingen, DE
• Walter Viess · Schwieberdingen, DE

Key dates

• Filing date: Jun 23, 1983
• Grant date: Dec 31, 1985
• Expiry date: Jun 23, 2003

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F02D41/266
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A cyclical input signal for the microcomputer of a motor vehicle is caused to reset the microcomputer for avoiding persistence of errors. Another portion of the same periodic signal can advantageously be furnished to the external interrupt input of the microcomputer.