Electrical pulse counters – pulse dividers – or shift registers: c – Applications – Counting based on number of times machine or apparatus operates
Patent
1994-11-04
1996-06-04
Heyman, John S.
Electrical pulse counters, pulse dividers, or shift registers: c
Applications
Counting based on number of times machine or apparatus operates
377 241, 34087031, 34082554, 340447, 3404574, G01C 2200
Patent
active
055240348
ABSTRACT:
An automatic revolution counting and data transmission device for measuring full or partial revolutions of a shaft, processing, storing, and transmitting said revolutions and related data. An embodiment of the invention as a hubodometer for measuring rotations of a wheel uses of a housing (1), printed circuit board (3) with all electronic circuitry for counting data, data storage, and two way data communication, and an anti-rotation device. A low power radio frequency transmitter and receiver are used to receive commands and to transfer stored data to a receiving unit which may be a portable battery-powered unit or a fixed-mount unit. Such data transfer by RF link eliminates the inherent problems associated with visual readout or optical data transfer from units located where dirt grime buildup is common.
REFERENCES:
patent: 4697278 (1987-09-01), Fleischer
patent: 4823367 (1989-04-01), Kreutzfeld
patent: 4937581 (1990-06-01), Baldwin et al.
patent: 4989222 (1991-01-01), Lutts et al.
patent: 5130955 (1992-07-01), Luerker et al.
patent: 5218343 (1993-06-01), Stobbe et al.
Elliott John S.
Srygley James G.
Carstens David W.
Heyman John S.
S & A Systems, Inc.
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