Back to results
US 4,051,424 AGranted
Digital amp-hour monitor
AssigneeThe United States of America as represented by the Secretary of the Navy
InventorJames A. Privee
Life of this patent
Estimating the term…
Abstract
An amp-hour monitor is provided to determine the power expended by a marine attery power supply system. Digital processing circuitry monitors a selected battery system and provides a readout of the power expended using a digital display. Additionally, a display of on-line current being drawn from the individual battery packs is displayed.
Claims6
A battery monitor system comprising:
- input circuit means adapted to make connection with a battery pack for producing an electrical analog of the current therefrom;
- digital panel meter means connected to said input circuit means for converting the output thereof to a binary code digital signal and displaying the display analog thereof;
- first signal converter means connected to said digital panel meter means for converting the binary code digital signal output to a binary signal;
- read-only-memory means connected to said first signal converter means and programmed to serve as a multiplication table storing the product of a time interval and a current corresponding to the binary input signal;
- accumulator circuit means connected to said read-only-memory for summing the product outputs thereof;
- second signal converter means connected to said accumulator circuit means for converting the digital output signal therefrom to a binary code signal;
- panel display means connected to said second signal converter means for providing a visual read out;
- and
- timing control means connected to each of the aforerecited means for providing a timing signal therefor.
6 more elements
Dependencies are inferred from the claim text.