Optical device
US9594251B2 · kind B2 · utility
0Cited by
7References
20Claims
0Family size
Inventor
Key dates
| Filing date | Apr 12, 2013 |
| Grant date | Mar 14, 2017 |
| Priority date | — |
| Expiry date | Jul 10, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/024
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The invention provides an optical device for displaying one or more images on a picture tube so as to be viewable from the anterior end of the device. The optical device can be used to display abstract or non-abstract subject matter. The optical device includes a picture tube having one or more images to be displayed by the device and an imaging assembly housed in a cavity formed by lateral sides of the picture tube, the imaging assembly having a reflecting surface that reflects the one or more images on the picture tube so as to be viewable from the anterior end of the device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.