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Boost supply with polarity protection

  • US 3,341,762 A
  • Filed: 03/15/1965
  • Issued: 09/12/1967
  • Est. Priority Date: 03/15/1965
  • Status: Expired due to Term
First Claim
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1. AN ELECTRICAL APPARATUS FOR USE IN EQUIPMENT HAVING A SERVICE BATTERY, AN AUXILIARY BATTERY AND MEANS FOR CHARGING THE BATTERIES, SAID APPARATUS COMPRISING:

  • ELECTRICAL MEANS FOR PREVENTING CURRENT FLOW BETWEEN THE BATTERIES DURING DISCHARGING OPERATIONS;

    SELECTIVELY OPERABLE MEANS FOR CONNECTING SAID BATTERIES IN PARALLEL WITH ANOTHER CIRCUIT HAVING A SOURCE OF DIRECT CURRENT POTENTIAL, SAID MEANS BEING ENERGIZED BY SAID DIRECT CURRENT POTENTIAL;

    REVERSE POLARITY INDICATOR MEANS;

    AND POLARITY SENSITIVE MEANS FOR PREVENTING THE OPERATION OF SAID CONNECTING MEANS WHENEVER THE POLARITIES OF SAID BATTERIES AND SAID OTHER CIRCUIT ARE REVERSED.

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