Precision liquid level sensor
US4495807A · kind A · utility
22Cited by
8References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 24, 1983 |
| Grant date | Jan 29, 1985 |
| Priority date | — |
| Expiry date | Feb 24, 2003 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F23/284
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A precision liquid level sensor utilizes a balanced R. F. bridge, each arm including an air dielectric line. Changes in liquid level along one air dielectric line imbalance the bridge and create a voltage which is directly measurable across the bridge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.