Cordless light source
US5530632A · kind A · utility
36Cited by
11References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 13, 1994 |
| Grant date | Jun 25, 1996 |
| Priority date | — |
| Expiry date | Sep 13, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S362/804
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The first purpose of the invention is to provide cordless light irradiation in which a stable amount of light is emitted when irradiating, and moreover, the device can be made compact. The second purpose is to offer a cordless light irradiation device that can control the battery temperature during use to a lower temperature than in the past. Halogen lamp 1 equipped with a reflective mirror and batteries 4 are housed in handpiece 2. The device is equipped with battery case 3 that is provided with ventilation holes 5, cooling fan 6 and optical filter 7, and lamp guide 8 is provided on the terminal of handpiece 2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.