Method and device for laser marking with grey level calibration
US9539840B2 · kind B2 · utility
1Cited by
2References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 17, 2014 |
| Grant date | Jan 10, 2017 |
| Priority date | — |
| Expiry date | Apr 17, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M5/26
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The invention provides a method and a device which enable laser markings to be performed and reduce the need of intervention by a service technician and still enable accurate grey scale markings to be performed reliably. Embodiments of the invention relate to a method and a device such that the device for laser marking is equipped with a measuring head which measures a laser output or laser pulse energy absolutely and using a measurement result thus obtained in order to change and suitably adapt an assignment function which assigns laser control values to grey scale values.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.