Image forming device
US4990936A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 30, 1989 |
| Grant date | Feb 5, 1991 |
| Priority date | — |
| Expiry date | May 30, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/04791
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
This invention relates to an image forming device such as an LED printer, a liquid crystal printer, laser printer or the like, and the object of this invention is to provide an image forming device having a small size and low production cost, wherein the image forming device comprises a sheet feeding unit, a sheet carrier, a pulse motor provided for the sheet carrier 2 and driven to carry a sheet fed from the sheet feeding unit to a printer, a motor controller for controlling the stepping motion of the pulse motor for moving the sheet, a printer 16 for printing an image over at least one entire line of a sheet, and which is perpendicular to the direction in which the sheet is carried, by one printing operation thereof, and a printing controller for controlling the printing operation of the printer in such a way that each printing operation thereof is synchronized with the stepping motion of the pulse motor 12, and an outlet tray 24 for receiving the printed sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.