- DesignGuide 3
- Likely Causes of Inconsistent Dynamic Performance
Magnetic Heads Used in High Traffic Fare Collection Applications
By Larry W. Ditty, Executive V. P. Technology, brush Industries, Inc.
1. Gap definition and length varying as the Magnetic head wears.
2. Spacing Losses (see DesignGuide 2)
3. Rapid Wear
Magnetic heads used in high traffic areas such as subway turnstiles, buses and toll roads must operate under the harshest conditions imaginable. From high heat and high humidity to below freezing and low humidity (toll roads), all kinds of dirt (subway), and excessive vibration (buses). In addition, these heads often must read and write on very poor quality media. All of these factors are considered in magnetic heads designed by Brush Industries.
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