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Battery-charging apparatus and method

  • US 3,317,810 A
  • Filed: 05/05/1964
  • Issued: 05/02/1967
  • Est. Priority Date: 05/27/1963
  • Status: Expired due to Term
First Claim
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1. APPARATUS FOR CHARGING A BATTERY COMPRISING A SOURCE OF DIRECT CURRENT HAVING AN OUTPUT CONNECTABLE TO THE TERMINALS OF THE BATTERY FOR CHARGING SAME, MEANS FOR SEPARATELY GENERATING AN ALTERNATING CURRENT HAVING A FREQUENCY GREATER THAN 100 CYCLES PER SECOND AND LESS THAN 60 KILOCYCLES PER SECOND, AND INDUCTIVE COUPLING MEANS FOR COUPLING THE OUTPUT OF THE ALTERNATING CURRENT GENERATING MEANS TO THE OUTPUT OF THE DIRECT CURRENT SOURCE WHILE THE LATTER IS CHARGING THE BATTERY.

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