Device for assessing need to replace absorbent member
US11523945B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Oct 26, 2017 |
| Grant date | Dec 13, 2022 |
| Priority date | — |
| Expiry date | Feb 21, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/426
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
This replacement necessity assessment apparatus for an absorbent member includes: a power generator which is configured to generate power as a result of contact with liquid absorbed in the absorbent member, and of which power generation amount changes in accordance with an amount of the liquid; a signal output unit configured to output a detection signal according to the power generation amount; and a processing unit configured to acquire a parameter regarding the amount of the liquid based on the detection signal, the processing unit configured to determine, based on the parameter, whether or not replacement of the absorbent member is necessary.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.