Flow meter remote reading systems
US6646731B2 · kind B2 · utility
2Cited by
3References
27Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 5, 2002 |
| Grant date | Nov 11, 2003 |
| Priority date | — |
| Expiry date | Mar 5, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY04S20/30
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Systems and methods for determining the positions of the discs of a mechanical display by using the shadow cast on an optical array by a profiled cam arrangement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.