Synchronous and resonant drives for producing multiple scan line pattern for electro-optically reading indicia
US7059528B2 · kind B2 · utility
18Cited by
3References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 30, 2004 |
| Grant date | Jun 13, 2006 |
| Priority date | — |
| Expiry date | Aug 4, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K7/10613
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A raster pattern for reading bar code symbols is created by successively reflecting a light beam off scan mirrors oscillated respectively by a resonant motor drive and by another motor drive driven synchronously with the resonant drive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.