Adaptive bar code scanner
US6478225B1 · kind B1 · utility
17Cited by
19References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 11, 2000 |
| Grant date | Nov 12, 2002 |
| Priority date | — |
| Expiry date | Aug 11, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49004
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An adaptive system and a method for reading bar code symbols or the like, including a scanner for generating a light beam directed toward a target, the light beam sweeping the symbol to be read. The system further includes a photodetector for receiving reflected light from such symbol, and circuitry to determine whether the signal received is sufficiently distinct to determine that a valid symbol has been scanned, and signal processing circuitry having adjustable gain, bandwidth, and digitizer threshold characteristics for processing such signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.