Liquid level detector system with fill-level signature detection
US4956560A · kind A · utility
18Cited by
2References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 3, 1989 |
| Grant date | Sep 11, 1990 |
| Priority date | — |
| Expiry date | Feb 3, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB67C3/20
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An apparatus for checking the fill level of a vial. The apparatus indicates the presence of a vial in a predetermined location. Light is sensed to measuring the amount of light which is able to pass through the vial at that location. A signal is produced which is porportional to the amount of material in said vial.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.