Multicode barcode label
US5203591A · kind A · utility
15Cited by
1References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 28, 1992 |
| Grant date | Apr 20, 1993 |
| Priority date | — |
| Expiry date | Sep 28, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K19/06056
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A barcode label comprises a carrier surface, such as a reflective surface on a paper sheet, having thereon a barcode in at least three or more different densities, each density having an optimum reading distance different from the others. The label is preferably pressure sensitive. Also, for certain applications, the label is curved to have or otherwise has an upper lip shading the barcode from overhead light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.