One piece optical assembly for low cost optical scanner

US6114712A · kind A · utility

Assignee

• Symbol Technologies, LLC · US

Inventors

• Paul Dvorkis · Stony Brook, US
• Howard Shepard · Yorktown, US
• Edward Barkan · Miller Place, US
• Simon Bard · Setauket, US
• Henry Grossfeld · Great Neck, US
• Mark Dryzmala · Commack, US
• Harold Charych · Poquott, US
• Raj Bridgelall · Mount Sinai, US
• David Tsi · Stony Brook, US
• Ian R. Jenkins · Stony Brook, US
• Chin-Hung Jwo · Mount Sinai, US
• Theodore W. Koontz, II · Miller Place, US

Key dates

• Filing date: Mar 26, 1998
• Grant date: Sep 5, 2000
• Expiry date: Mar 26, 2018

Classification

• Technology area (CPC G): Physics
• CPC primary: G06K7/1098
• WIPO field: Computer technology
• WIPO sector: Electrical engineering

Abstract

An optical scan module, for example for an optical scanner, includes an integrally molded plastics material member which defines not only the laser focusing lens, but also the laser focusing aperture and the collection mirror. In addition, the molded member may act to house and to locate both a semiconductor laser and a photodetector, thereby ensuring easy and accurate placement of those elements within the scanning assembly. The optical assembly may be in modular form, mounted onto a common printed circuit board with a beam scanner.