Sign display with an internal infrared communication system
US6634124B1 · kind B1 · utility
63Cited by
11References
41Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 4, 2001 |
| Grant date | Oct 21, 2003 |
| Priority date | — |
| Expiry date | Oct 4, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F9/3026
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An electronic sign display having an internal infrared communication system, includes a plurality of display panels each of which includes an infrared receiver and an infrared transmitter for passage of data information. The display panels slidingly align along a front panel. Each display panel is linked to an adjacent display panel by an infrared data link, and information received therefrom is displayed upon the appropriate display panel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.