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Battery check device

  • US 4,389,609 A
  • Filed: 11/25/1981
  • Issued: 06/21/1983
  • Est. Priority Date: 12/03/1980
  • Status: Expired due to Term
First Claim
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1. A battery check device comprising:

  • (a) display means, said means including a first and a second terminal for carrying out a display with colors in accordance with the level of the signals delivered to the respective terminals;

    (b) first signal forming means for decreasing the output signal in accordance with the decrease of the power source voltage, the output signal of said means being delivered to the first terminal of the display means; and

    (c) second signal forming means for increasing the output signal in accordance with the decrease of the power source voltage, the output signal of said means being delivered to the second terminal of the display means;

    whereby the display means carries out the display with colors corresponding to the state of the power source voltage in accordance with the output signals from the first and the second signal forming means.

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