Scanning polygon with adjustable mirrors
US4043632A · kind A · utility
22Cited by
7References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 27, 1975 |
| Grant date | Aug 23, 1977 |
| Priority date | — |
| Expiry date | May 27, 1995 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K7/10871
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A scanning system and method for reading coded indicia carried on containers, etc., the system and method including means for generating in a predetermined sequence a first light pattern, and a second light pattern, and means for focusing same at a window over which containers carrying the coded indicia are positioned. The disclosure also includes a mirrored rotatable polygon structure including a plurality of mirrors, some of which are inclined at a positive angle and the others which are positioned at a negative angle with respect to the polygon axis of rotation as well as means for adjusting the incline of the mirrors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.