Drum plotter
US5302974A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 3, 1992 |
| Grant date | Apr 12, 1994 |
| Priority date | — |
| Expiry date | Jan 3, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K15/225
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An external drum plotter including a generally cylindrical drum having a longitudinal axis of symmetry and a cylindrical support surface disposed about the longitudinal axis, for supporting thereon in generally cylindrical configuration, recording material to be written upon, apparatus for rotating the drum about the longitudinal axis, longitudinal track apparatus arranged parallel to the longitudinal axis; mounting apparatus arranged for longitudinal riding movement on the track apparatus and parallel to the longitudinal axis and a multiplicity of laser diode writing assemblies mounted on the track apparatus and arranged for writing engagement with the recording material while the recording material rotates and the mounting apparatus moves longitudinally parallel to the longitudinal axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.