초록 ▼

A battery condition indicator provides an indication of both the charge used and the life remaining in a rechargeable battery. The time of use of the battery between charges is measured to provide an indirect measure of the charge remaining. The total time of service of the battery is measured to pr

A battery condition indicator provides an indication of both the charge used and the life remaining in a rechargeable battery. The time of use of the battery between charges is measured to provide an indirect measure of the charge remaining. The total time of service of the battery is measured to provide an indirect measure of the age or life of the battery.

대표청구항 ▼

A battery condition indicator for indicating both the charge used and the life remaining in a rechargeable battery comprising: rate multiplying and counting means for indirectly measuring the charge used by the battery between charges; means for supplying variable rate clock pulses to said rate mult

A battery condition indicator for indicating both the charge used and the life remaining in a rechargeable battery comprising: rate multiplying and counting means for indirectly measuring the charge used by the battery between charges; means for supplying variable rate clock pulses to said rate multiplying and counting means, the rate of said clock pulses being a function of whether a high current consumption load is connected to the battery or not; timing means for measuring the total time in service of the battery; charge used display means responsive to said rate multiplying and counting means for providing an indication of the charge remaining in the battery; and age display means responsive to said timeing means for providing an indication of the life or age of the battery.