Optical sensor for a printer
US7800089B2 · kind B2 · utility
4Cited by
19References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 27, 2008 |
| Grant date | Sep 21, 2010 |
| Priority date | — |
| Expiry date | Feb 27, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J29/393
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A printing system includes a platen; a photosensor including an integrated lens; a light source configured to provide light, the light source including an integrated lens; and an aperture disposed to provide a field of view, the field of view being a portion of a plane parallel to the platen, wherein reflected light from the light source passes through the aperture to the photosensor without passing through an external lens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.