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Battery charger/remote control for portable radio devices

  • US 4,673,861 A
  • Filed: 04/03/1986
  • Issued: 06/16/1987
  • Est. Priority Date: 04/03/1986
  • Status: Expired due to Term
First Claim
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1. A vehicular battery charger for a battery powered portable radio, said charger comprising:

  • battery charging means for providing battery charging current to the radio;

    an auxiliary operating power supply for independently providing operating electrical power to the radio during the battery charging operation; and

    control means connectable with said radio and capable of selectively providing at least two different electrical impedance values or voltages to said radio so as to enable the radio to sense the value of such connected impedance or voltage and to control its radio functions in a predetermined manner depending upon which impedance or voltage value is selected.

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