Water sensing electrode circuit
US8730049B2 · kind B2 · utility
2Cited by
16References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 6, 2012 |
| Grant date | May 20, 2014 |
| Priority date | — |
| Expiry date | Oct 30, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W4/02
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A water sensing electrode circuit comprises a voltage source; first electrode; second electrode; first resistor; second resistor; and an inverting comparator with an internal reference voltage, Vc; wherein: said voltage source, first electrode, second electrode, first resistor and second resistor are connected in series; and the negative input of said voltage comparator is attached to the junction of said first and second resistor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.