Printed circuit board aperture based illumination system for pattern projection
US10775028B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 11, 2014 |
| Grant date | Sep 15, 2020 |
| Priority date | — |
| Expiry date | Dec 11, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K2203/167
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A complex device that integrates a beam shaping aperture in a printed circuit board of the complex device (e.g., scanner or barcode reader or optical module) is provided. The complex device has a light-emitting diode pattern projection system. The pattern projection system includes one or more light-emitting diodes and a printed circuit board. The printed circuit board has one or more apertures and one or more receptacles. The one or more receptacles are positioned behind the aperture and receive the one or more light-emitting diodes. The printed circuit board with receptacle offer self-alignment for the light emitting diodes. The beam shaping aperture in front of the light-emitting diodes allows light to pass through the aperture that is part of the printed circuit board layer of the complex device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.