Patent · US Expired

Image forming apparatus

US7334858B2 · kind B2 · utility

16Cited by
2References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 22, 2005
Grant dateFeb 26, 2008
Priority date
Expiry dateSep 5, 2025

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J11/007
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

An image forming apparatus can form a high-quality image while acquiring a stable conveyance performance. A conveyance belt (21) conveys a recording medium (12) by attracting the recording medium (12) by an electrostatic force. A recording head (7) discharges liquid droplets toward the recording medium (12) being conveyed by the conveyance belt (21). Alternating positive and negative electric charges are applied onto the conveyance belt (21). A conveyance speed is controlled in accordance with a charge period length of the alternating positive and negative electric charges applied onto the conveyance belt (21).

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