Lamp cover capable of simulating multiple images
US10260706B2 · kind B2 · utility
0Cited by
3References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 2, 2017 |
| Grant date | Apr 16, 2019 |
| Priority date | — |
| Expiry date | Jul 7, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21W2121/002
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lamp cover capable of simulating multiple images comprises an optically transparent hollow body, an opaque reflector having patterned cutouts and coupled to an inner surface of the body, wherein the opaque reflector is a metal oxide, a matte transparent protective layer formed on the opaque reflector, a polychromatic semitransparent reflector coupled to an outer surface of the body and a glossy transparent protective layer formed on the polychromatic semitransparent reflector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.