Operation panel and image formation apparatus or electronic equipment using the operation panel
US8125451B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 8, 2007 |
| Grant date | Feb 28, 2012 |
| Priority date | — |
| Expiry date | Mar 24, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J3/46
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A display section of an operation panel is raised relative to a horizontal plane. If the display section consists of a liquid crystal having an angle of visibility of 80 degrees (i.e., with an angle formed between the line normal to the display surface of the display section and the visibility range limit being 40 degrees), the display section is raised at about 50 degrees relative to the horizontal plane, so that visibility can be ensured both at the wheelchair seated position and at the standing position at which the non-handicapped person stands up. Further, by arranging visual recognition keys (a menu key etc.) which require an operator to view the display section during operation thereof outside of a projection region of the display section, the operator's hand on the operation panel never hides the display section during operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.