Liquid detecting piezoelectric device, liquid container and mounting module member
US6470744B1 · kind B1 · utility
71Cited by
11References
65Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 19, 2000 |
| Grant date | Oct 29, 2002 |
| Priority date | — |
| Expiry date | May 19, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2002/17583
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A liquid detection device attached on a liquid container for detecting a liquid consumption status of the liquid contained in the liquid container, the liquid detection device including a vibrating section symmetrical about a center thereof, and at least one electrode electrically connecting with said vibrating section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.