Patent · US Expired

Medium detection unit, medium conveyance apparatus and image formation system including a single sensor which detects medium passage, a fully accumulated condition and a jam condition

US5963754A · kind A · utility

34Cited by
4References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 26, 1998
Grant dateOct 5, 1999
Priority date
Expiry dateFeb 26, 2018

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/00729
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A unit which detects a discharged condition of each of media with a simple and low-cost structure. For this purpose, this unit is designed to output a signal indicative of the passage of the medium, a signal indicative of a full accumulated condition of the media within the medium discharged section and a signal representative of the occurrence of a jam condition of the medium during the passage of the medium. This unit is applicable to printers such as an electrophotographic type printer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.