Voltage level monitoring and indicating apparatus

Details Voltage level monitoring and indicating apparatus Voltage level monitoring and indicating apparatus

H - Electricity

02

J

320/12

H02J 7/00 (2006.01)

Patent

CA 1179014

Voltage Level Monitoring and Indicating Apparatus Abstract of the Disclosure A voltage level monitoring and indicating apparatus including a voltage-to-frequency converter, an input conditioning circuit that shifts voltage signals received from different voltage sources to the same input level for the converter which then produces a proportional output frequency signal, a microprocessor which is software programmed to produce voltage level data in response to the output frequency signal from converter, and a display which displays a range of numbers in response to the voltage level data. Prior apparatus are not state-of-the-art microprocessor based and require different designs when coupled to different voltage sources. The present invention is microprocessor based and has the same input conditioning circuit that can be coupled to different voltage sources for use principally to indicate voltage levels of batteries on electric fork lift trucks.

403664

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