Systems and methods for indicating the position of a web
US8405831B2 · kind B2 · utility
8Cited by
41References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 18, 2008 |
| Grant date | Mar 26, 2013 |
| Priority date | — |
| Expiry date | Dec 26, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2701/1752
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Methods and systems for indicating the displacement of a flexible web are described. An elongated, flexible web includes an integral scale having scale features configured to modulate energy directed towards the web. A transport mechanism provides relative movement between the web relative to a transducer. The transducer detects energy modulated by the scale features and generates a signal indicting a continuous web displacement based on the modulated energy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.