Liquid container having a liquid detecting device
US6799820B1 · kind B1 · utility
38Cited by
66References
48Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 18, 2000 |
| Grant date | Oct 5, 2004 |
| Priority date | — |
| Expiry date | May 18, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2002/17583
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A liquid container, including a housing containing therein liquid, a liquid supply opening formed in the housing through which liquid is supplied to the outside of the housing, and a detection device having a piezoelectric element and attached on the housing, the detection device detects a consumption degree of level of liquid contained in the housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.