US Patent: 5,245,324 - Digital Engine Analyzer


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US Patent: 5,245,324

Digital Engine Analyzer

Patentees:

Gary D. Jonker (exact or similar names) - Kenosha, WI

Craig F. Govekar (exact or similar names) - Gurnee, IL

Michael B. Meeker (exact or similar names) - Kenosha, WI

James R. Piehl (exact or similar names) - Kenosha, WI

Michael C. Putrow (exact or similar names) - Racine, WI

John C. Sniegowski (exact or similar names) - Kenosha, WI

USPTO Classifications:

324/121R, 324/379, 345/11, 345/169, 345/440.1, 701/102

Tool Categories:

Assignees:

Snap-On Tools Corp. - Kenosha, WI

Manufacturer:

Not known to have been produced

Witnesses:

none listed

Patent Dates:
Applied:	Oct. 18, 1991
Granted:	Sep. 14, 1993

Patent Pictures:

USPTO (New site tip)
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Snap-On Tools Company History

Description:

Emrich & Dithmar - patent attorneys

Abstract

A digital engine analyzer has an oscilloscope display and is controlled by microprocessors operating under menu-driven stored program control. The analyzer receives analog input signals from an engine being analyzed. The analyzer is provided with a scanner interface, so that a scanner designed to read data from a vehicle on-board computer, can transfer this data to the analyzer for display on the analyzer oscilloscope. The analyzer processor, when operating in the scanner interface mode, operates under stored program control to reconfigure analyzer keyboard and soft key functions to duplicate scanner control functions, so that the scanner control functions can be effected from the analyzer.