Erasable message board for a vehicle
US6971703B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 19, 2004 |
| Grant date | Dec 6, 2005 |
| Priority date | — |
| Expiry date | Feb 19, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60J3/0204
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A message board system (10) for a vehicle (14) may include a message board (30) that is configured to be coupled to a vehicle structure (32). The message board (30) has a first layer (70) and a second layer (72). The second layer (72) resides adjacent the first layer (70) and is configured such that a portion of the first layer (70) adheres to the second layer (72) to form an image in response to applied pressure on that portion. The message board system (10) may, as an alternative, include a message board housing (98) also configured to couple a vehicle structure (22). The housing (98) includes multiple cells, each of which having a suspension liquid (108) and magnetic particles (110). The particles (110) are pulled through the suspension liquid (108) in response to an applied magnetic field to form an image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.