Patent · US Active

Untaken sheet notification device, document feeder, and image forming apparatus

US11601563B2 · kind B2 · utility

0Cited by
2References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 23, 2020
Grant dateMar 7, 2023
Priority date
Expiry dateDec 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.