Illuminating apparatus, image reading apparatus, and image forming apparatus
US8730534B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 15, 2012 |
| Grant date | May 20, 2014 |
| Priority date | — |
| Expiry date | Aug 3, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/0081
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In an illuminating apparatus including a plurality of rows of light source groups each having a plurality of light-emitting elements for irradiating light to an original that are arranged in a main scanning direction, the light-emitting elements in the plurality of rows of light source groups illuminate an irradiated face of the original at the same pitch within the same light source group and at different pitches from each other among the plurality of rows of light source groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.