Bi-directional scanner assembly
US4057784A · kind A · utility
97Cited by
7References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 27, 1976 |
| Grant date | Nov 8, 1977 |
| Priority date | — |
| Expiry date | Sep 27, 1996 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K7/10871
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An optical code reader employs a flying spot scanner which traces a plurality of forward scan patterns wherein each is off-set from one another, and a plurality of reverse scans wherein each is off-set from one another and the generation of each forward scan is followed by the generation of a reverse scan. Furthermore, the forward and reverse scans are randomly positioned with respect to one another and other reverse and forward scans.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.