Device for determining a quantity of consumable product contained in at least one reservoir and a document printing device equipped with such an improvement
US6352325B1 · kind B1 · utility
3Cited by
5References
39Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 20, 1999 |
| Grant date | Mar 5, 2002 |
| Priority date | — |
| Expiry date | May 20, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F23/263
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
According to the invention, electrical connection members are provided, arranged between the chassis and the carriage carrying capacitor plates corresponding respectively to the reservoirs, in order to put into service each plate corresponding to a reservoir, at a predetermined position of the carriage, a common contact element of these connection members being connected to an oscillator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.