Image reading device
US9578204B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 21, 2015 |
| Grant date | Feb 21, 2017 |
| Priority date | — |
| Expiry date | Oct 21, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/4076
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A control unit performs a reading operation in a first mode in which a document on a document stand is read by moving a carriage which includes a reading portion, and in a second mode in which a document which is transported by a document transport unit is read using the carriage which is located at a reading position. The device includes a first white reference plate which is arranged in a first white reference reading position which is a standby position in the first mode, and a second white reference plate which is arranged on a side opposite to the first white reference plate by interposing a reading position in the second mode therebetween in the sub-scanning direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.