Optical information reading apparatus
US6945462B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 24, 2002 |
| Grant date | Sep 20, 2005 |
| Priority date | — |
| Expiry date | May 24, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K7/10881
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An optical information reading apparatus applies light to an object to be read such as a bar code symbol, photoelectrically converts by a photodetector element a light image formed by the reflection light, and processes the obtained electric signal to output code data. Among the portions performing the signal processing, at least a data converter (13) for converting a photoelectrically converted electric signal into a digital signal, a digital signal calculation unit (17) for calculating the digital signal and generating code data indicating information of an object to be read, an input accumulation unit (20) for accumulating the code data, and a timing control unit (12) for controlling operation timings of these components are arranged on a single substrate as a multipurpose processing circuit block (10).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.