Self-contained cool-down system for a video projector
US6588907B1 · kind B1 · utility
20Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 26, 2002 |
| Grant date | Jul 8, 2003 |
| Priority date | — |
| Expiry date | Aug 26, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B21/16
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A cool-down system for portable projectors including a battery configured to power a cooling fan, if power to the cooling fan is cut off before the device has cooled down sufficiently to prevent degradation of one or more components.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.