Thomas Amundsen

Laser code symbol scanner employing optical filtering system having narrow band-pass characteristics and spatially separated optical filter elements with laser light collection optics arranged along laser light return path disposed therebetween

Holographic laser scanners of modular construction and method and apparatus for designing and manufacturing the same

Holographic laser scanning system and process and apparatus and methods for designing and constructing the same

Compact holographic laser scanner having minimized housing dimensions determined by scanning disc and beam folding mirror parameters

Holographic laser scanner generating a high-resolution 2-D raster scanning pattern using a holographic scanning disc

Holographic scanning system with high-resolution 2-D a scanning field steerable within 3-D scanning volume

Bar code symbol scanning system having a holographic laser scanning disc utilizing maximum light collection surface area thereof and having scanning facets with optimized light collection efficiency

Holographic laser scanning system for carrying out laser beam scanning operations with improved scan angle multiplication efficiency and carrying out light collection operations with improved light collection efficiency

Holographic laser scanning system and process and apparatus and method

Holographic laser scanning system employing holographic scanning disc having dual-fringe contrast regions for optimized laser beam scanning and light collection operations