Image reading apparatus determines whether a document is chromatic or achromatic and performing a conveyance speed of a document based on the setting of a color determination, and performing conveyance speed based on setting of an output resolution without setting whether to perform a color determination
US11394842B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 22, 2021 |
| Grant date | Jul 19, 2022 |
| Priority date | — |
| Expiry date | Jan 22, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/1215
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image reading apparatus includes a document tray on which a document is stacked; a conveyance unit configured to convey the document stacked on the document tray; a reader configured to read the image of the document conveyed by the conveyance unit using a sensor. The sensor includes a first light receiving element row having a plurality of light receiving elements, which receives light of a first color, arranged in a main scanning direction; and a second light receiving element row having a plurality of light receiving elements, which receives light of a second color, arranged in the main scanning direction, wherein the first light receiving element row and the second light receiving element row are arranged in a sub-scanning direction orthogonal to the main scanning direction. The image reading apparatus further includes a setting unit and a determination unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.