Electrical pulse counters – pulse dividers – or shift registers: c – Applications – Measuring or testing
Patent
1986-05-02
1988-04-26
Heyman, John S.
Electrical pulse counters, pulse dividers, or shift registers: c
Applications
Measuring or testing
364561, 368 10, 368165, 377 20, G01C 2200
Patent
active
047410019
ABSTRACT:
The substantial structure of this invention consists of an intensive mechanical swing device and a group of electronic circuits situated in a small-size box body. The swing device features a highly balanceable and sophisticated pendulum designed to absorb the natural swing energy of a human body during running. While the pendulum is swinging, a microswitch will turn on or off to transmit every signal to an IC where precise number of running steps is calculated. In the surface of the box body, a hanging ear is equipped so that the device can be hung on the waist. On the face of the box body is a display and four control keys are equipped to control and lay out all the designed functions of this invention.
REFERENCES:
patent: 4332609 (1982-03-01), Kato
patent: 4334190 (1982-06-01), Sochaczevski
patent: 4337529 (1982-06-01), Morokawa
patent: 4510485 (1985-04-01), Tahara
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