×

Liquid level detection device

  • US 7,111,510 B2
  • Filed: 11/18/2003
  • Issued: 09/26/2006
  • Est. Priority Date: 11/29/2002
  • Status: Active Grant
First Claim
Patent Images

1. A liquid level detecting apparatus having movable contacts to be displaced in accordance with the fluctuation of a liquid level, fixed electrodes slidingly contacted by the movable contact on a circuit board, a first resistance connected to the fixed electrodes, and connecting portions which terminals contact, a resistance value of the first resistance which varies when the movable contact is slidingly moved on the fixed electrodes being outputted from the terminals via the connecting portions, characterized in that at least the sections of the connecting portions which contact the terminals are covered with second resistances.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×