Optical printing head and image forming apparatus using it
US6456314B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 13, 2000 |
| Grant date | Sep 24, 2002 |
| Priority date | — |
| Expiry date | Nov 13, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/451
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An optical printing head includes a light-emitting component array having a plurality of light-emitting components arranged therein, and an imaging component array having a plurality of imaging components arranged therein each for imaging from a light flux from a respective light-emitting component of the light-emitting component array to a beam spot on an image carrying body surface. In a configuration relationship between the light-emitting component array, imaging component array and image carrying body surface, a focal length of the imaging components is slightly larger than the focal length of imaging components in a condition in which a unity-magnification relationship is satisfied.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.