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Controller for a part feed system including a blown fuse indicator circuit

  • US 5,561,580 A
  • Filed: 04/06/1995
  • Issued: 10/01/1996
  • Est. Priority Date: 04/06/1995
  • Status: Expired due to Fees
First Claim
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1. A blown fuse indicator circuit comprising:

  • a first diode and a first resister comprising a first series;

    a second diode and a second resistor comprising a second series;

    a fuse disposed between one end of said first series and one end of said second series;

    a zener diode and a light emitting diode comprising a third series, said third series connected to an opposing end of said first series; and

    an opto-coupler circuit disposed between one end of said third series, an opposing end of said second series and an opposing end of said third series.

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