Invention Grant
US07696723B2 Battery charger, and method of judging charging condition 失效
电池充电器,充电状态判断方法

  • Patent Title: Battery charger, and method of judging charging condition
  • Patent Title (中): 电池充电器,充电状态判断方法
  • Application No.: US10982479
    Application Date: 2004-11-05
  • Publication No.: US07696723B2
    Publication Date: 2010-04-13
  • Inventor: Masanao Sato
  • Applicant: Masanao Sato
  • Applicant Address: JP Tokyo
  • Assignee: Sony Corporation
  • Current Assignee: Sony Corporation
  • Current Assignee Address: JP Tokyo
  • Agency: K&L Gates LLP
  • Priority: JPP2003-378304 20031107
  • Main IPC: H02J7/00
  • IPC: H02J7/00
Battery charger, and method of judging charging condition
Abstract:
A battery charger and a method of judging a charging condition of a secondary battery capable of judging precisely a charging condition of the secondary battery are provided. Charging conditions of the secondary battery are classified to four charging conditions depending on change of the voltage value of the secondary battery during charging operation, and one of these four charging conditions is displayed on the secondary battery by detecting the voltage value of the secondary battery at predetermined intervals.
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