LED signage device
US7086769B1 · kind B1 · utility
24Cited by
20References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 9, 2004 |
| Grant date | Aug 8, 2006 |
| Priority date | — |
| Expiry date | Jan 7, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F13/22
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A signage device (10) in which a housing (12) receives a circuit board (30) having a plurality of spaced-apart light sources (38) to define at least one symbol and overlaid by a message plate (42) having a projecting channel (46) with a translucent light emitting side (54) aligned with the light sources and a light blocking overlay sheet (60) defining an open slot (62) configured for mating reception of the projecting channel, whereby light from the light sources communicates from the light emitting surface of the channel extending from the overlay sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.