Electrical pulse counters – pulse dividers – or shift registers: c – Applications – Measuring or testing
Patent
1985-03-01
1987-09-29
Heyman, John S.
Electrical pulse counters, pulse dividers, or shift registers: c
Applications
Measuring or testing
346 33D, 364424, 364561, 235 95B, 235 95C, 235 97, G01C 2200
Patent
active
046972781
ABSTRACT:
An electronic hub odometer employs a permanent magnet and a magnetic reed switch for recording the number of revolutions of a vehicle wheel to which the odometer is mounted. A programmable integrated circuit electrically communicates with a clock crystal and the magnetic reed switch to automatically produce data relative to the time, distance and rate of travel of the associated vehicle. The data is stored in a random access memory integrated circuit. An infrared light emitting diode is employed for transmitting the data from the odometer to a remote unit. Information is also transmitted to the odometer from a remote unit via a photo-optical detector.
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Heyman John S.
Veeder Industries Inc.
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