Light emitting tooth brush having whitening and sterilizing effects
US6752627B2 · kind B2 · utility
52Cited by
15References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 13, 2002 |
| Grant date | Jun 22, 2004 |
| Priority date | — |
| Expiry date | Dec 4, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N2005/0661
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A light emitting tooth brush having whitening and sterilizing effects includes a handle having one end provided with a light permeable brush head, a control switch mounted in the handle, and a circuit board mounted in the brush head. The circuit board is electrically connected to the control switch, and is provided with a light emitting member which may emit optical waves having a specified wavelength through the light permeable brush head. Thus, the light emitting tooth brush may achieve the sterilizing effect and may achieve the effect of cleaning and whitening the user's teeth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.