US Patent: 6,411,096
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| Scope Analyzer for Direct Ignition Engines
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Patentees:
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| Anthoni C. Carel (exact or similar names) - Nieuwkoop, Netherlands |
| Tyrone J. Moritz (exact or similar names) - Evanston, IL |
| Yosuf M. Taraki (exact or similar names) - Evanston, IL |
| Dale A. Trsar (exact or similar names) - Mount Prospect, IL |
| Richard H. Shepard (exact or similar names) - McHenry, IL |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 06, 1998 |
| Granted: |
Jun. 25, 2002 |
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Stan Schulz
Snap-On Tools Company History
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Description: |
| Seyfarth & Shaw - patent attorneys
Abstract
An engine analyzer stores acquired cylinder waveform data in circular buffers respectively associated with the cylinders in accordance with cylinder selection by the user, with each buffer including a plurality of storage cells respectively storing data for individual firing cycles of the associated cylinder, and simultaneously displays the waveform for a, single selected cylinder on one trace of a display screen and waveforms for all cylinders for which data is stored on a second trace, so that data can be acquired and displayed from direct ignition engines with the use of a single pickup lead connected to selected cylinders one cylinder at a time. Various display modes are possible, including a frozen mode in which all stored waveform data may be reviewed and displayed.
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