Systems and methods for measuring and indicating brush head life
US10856648B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2018 |
| Grant date | Dec 8, 2020 |
| Priority date | — |
| Expiry date | Dec 11, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10N30/306
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
Systems and methods for measuring and indicating brush head life are disclosed. In one embodiment, the system includes a brush head that moves with respect to a brush handle; an energy harvester that generates electrical signals based on movements of the brush head; a controller in electrical communication with the energy harvester; and an indicator in electrical communication with the controller. The indicator is energized based on a signal from the controller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.