Resistance plate and liquid level detection apparatus...

Details Resistance plate and liquid level detection apparatus... Resistance plate and liquid level detection apparatus...

2008-03-04

2009-06-02

Lee, Kyung (Department: 2832)

Electrical resistors

With terminal

Terminal and resistance element integral

C338S162000, C073S317000

Reexamination Certificate

active

07541911

ABSTRACT:
In a resistance plate, a first slide portion includes a plurality of first conductive segments arranged at intervals generally in a direction of sliding movement of a sliding arm, the adjacent first conductive segments being connected together via a resistor. A first conducting path13extends between the first slide portion and a first end land to electrically connect them together, the first end land being provided for detecting a quantity of electricity appearing according to the positions of the first conductive segment and a second conductive segment which are held in contact with the sliding arm. A protector is formed on the first conducting path to cover this first conducting path. The protector and the resistor are made of the same material.

REFERENCES:
patent: 6369690 (2002-04-01), Chen
patent: 6518873 (2003-02-01), O'Regan et al.
patent: 6588288 (2003-07-01), Swindler
patent: 63-138215 (1988-06-01), None
patent: 3833551 (2006-07-01), None

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