HIGH VOLTAGE PRESENCE DISPLAYING DEVICE

HIGH VOLTAGE PRESENCE DISPLAYING DEVICE

  • CN 2,049,362 U
  • Filed: 04/29/1989
  • Issued: 12/13/1989
  • Est. Priority Date: 04/29/1989
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of high voltage display device that can be used for showing that High-Voltage Electrical Appliances are whether charged, it is characterized in that:

  • this device is formed by electric capacity, with LCD, perhaps form, perhaps form by electric capacity, LCD, switch and small power supply by induction pole plate (plates capacitance), electric capacity, LCD.

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