Optical information reading apparatus
US7731092B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 18, 2005 |
| Grant date | Jun 8, 2010 |
| Priority date | — |
| Expiry date | Dec 18, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K2207/1011
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In an optical information reading apparatus, a pickup unit has a predetermined reading position, and is configured to optically pickup information of a target when the information is located at the reading position. A marker beam irradiating unit includes a light beam source configured to emit a light beam. The marker beam irradiating unit includes a beam pattern forming lens arranged to allow the emitted light beam to enter thereinto. The pattern forming lens is configured to irradiate a marker beam based on the emitted light beam. The marker beam has a predetermined beam pattern composed of at least one linear beamlet to indicate the reading position of the pickup unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.