Liquid state detecting element and liquid state detecting...

Details Liquid state detecting element and liquid state detecting... Liquid state detecting element and liquid state detecting...

2006-06-20

2006-06-20

Deb, Anjan (Department: 2858)

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

C073S30400R, C073S30400R

Reexamination Certificate

active

07064560

ABSTRACT:
A liquid state detecting element comprising: a film portion made of a flexible insulating material and extending in a longitudinal direction; and a pair of detecting electrodes juxtaposed to each other on a layer of said film portion and extending in said longitudinal direction, in which said detecting electrodes are for being immersed at least partially in a liquid to be measured, so that a state of said measured liquid is detected on a basis of an electrostatic capacity between said pair of detecting electrodes, wherein: said liquid state detecting element further comprises reinforcing portions made of a conductive material and disposed on said layer of said film portion on an outer side of said detecting electrodes; and said reinforcing portions include: a grounding terminal for being connected with a ground line; and a pair of parallel reinforcing portions extending in said longitudinal direction along side edges of said film portion so as to sandwich said pair of detecting electrodes.

REFERENCES:
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patent: 6459995 (2002-10-01), Collister
patent: 6705162 (2004-03-01), Amoretti
patent: 04258725 (1992-09-01), None

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