System for measuring state of charge of storage battery
Patent 4377787 Issued on March 22, 1983. Estimated Expiration Date: 
August 8, 2000. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
August 8, 2000. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesBattery testing apparatus Battery capacity measuring method and apparatus Patent #: 4295097 Inventors
AssigneeApplicationNo. 06/176356 filed on 08/08/1980US Classes:324/431, With temperature compensation of measured condition324/426, Using a battery testing device324/427, To determine ampere-hour charge capacity702/63Battery monitoringExaminersPrimary: Tokar, MichaelAttorney, Agent or FirmInternational ClassG01R 31/36 (20060101)Foreign Application Priority Data1979-08-14 JPAbstractA system for measuring the state of charge of a storage battery is disclosed which corrects charging and discharge electrical quantities of the battery in view of temperature and charging efficiency of the battery, and the like to precisely measure the state of charge thereof by digital-operation. There is also disclosed a system correcting, by digital-operation, the variation in capacity of the battery due to the variation in life of the battery and/or the self-discharge thereof as well, to thereby measure the state of charge with higher precision. | |
