Untaken sheet notification device, document feeder, and image forming apparatus
US11601563B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 23, 2020 |
| Grant date | Mar 7, 2023 |
| Priority date | — |
| Expiry date | Dec 11, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/121
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An untaken sheet notification device to notify that the sheet is untaken from an ejection tray if an ejection tray sensor that detects presence or absence of the sheet on the ejection tray detects presence of the sheet, after a sheet is ejected, a document feeder, and an image forming apparatus include a counter that counts the number of the ejected sheets and a notification controller that performs a specific notification control to notify that the sheet is untaken if the number of the sheets counted by the counter is equal to or less than a predetermined reference number.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.