Optical code reader and methods and articles therefor
US6131813A · kind A · utility
2Cited by
34References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 17, 1998 |
| Grant date | Oct 17, 2000 |
| Priority date | — |
| Expiry date | Jun 17, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K7/10762
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method comprises steps of sensing a first user action, transmitting a first optical message in response to the first user action, and performing at least one optical code reading step in response to non-receipt of a valid response to the first optical message. An apparatus to perform the aforementioned steps and an article of manufacture to direct the aforementioned steps are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.