Patents Assigned to Yuasa Battery (UK) Limited
  • Patent number: 5093624
    Abstract: Monitoring state of charge of an electric storage battery (18) is done by deliberately inducing eddy currents, specifically using an induction coil (70) in conductive metallic constituents of negative plate material (74) of the battery concerned, and detecting effects representative of said eddy currents, specifically by detecting (76, 78) amplitude or frequency effects on energizing signals (72).
    Type: Grant
    Filed: March 13, 1990
    Date of Patent: March 3, 1992
    Assignee: Yuasa Battery (UK) Limited
    Inventor: Peter R. Stevenson