Metrologic Instruments, Inc.

Francis E Lodge

Xiaoxun Zhu

David M Wilz

Carl Harry Knowles

Timothy A Good

Ka Man Au

George B Rockstein

Stephen J Colavito

Robert E Blake

Sankar Ghosh

Gennady Germaine

George Kolis

Michael Schnee

Constantine J Tsikos

Charles A Naylor

Thomas A Amundsen

LeRoy Dickson

Ian A Scott

Andrew D Dehennis

An automated package dimensioning subsystem comprising a Laser Detecting and Ranging (LADAR-based) scanning apparatus for capturing two-dimensional range data maps of the space above a conveyor structure, along which packages are transported, and an image contour tracing apparatus for extracting package dimension data from the two-dimensional range data maps.

Automated package dimensioning system

A fully automated package identification and measuring system (), in which an onmidirectional holographic scanning tunnel () is used to read bar codes on packages entering the tunnel, while a package dimensioning subsystem () is used to capture information about the package prior to entry into the tunnel. Mathematical models are created on a real-time basis for the geometry of the package and the position of the laser scanning beam used to read the bar code symbol thereon. The mathematical models are analyzed to determine if collected and queued package identificaton data is spatially and/or temporally correlated with package measurement data using vector-based ray-tracing methods, homogeneous transformations, and object-oriented decision logic so as to enable simultaneous tracking of multiple packages being transported through the scanning tunnel.

Unitary package identification and dimensioning system employing ladar-based scanning methods

A fully automated package identification and measuring system, in which an omni-directional holographic scanning tunnel is used to read bar codes on packages entering the tunnel, while a package dimensioning subsystem is used to capture information about the package prior to entry into the tunnel. Mathematical models are created on a real-time basis for the geometry of the package and the position of the laser scanning beam used to read the bar code symbol thereon. The mathematical models are analyzed to determine if collected and queued package identification data is spatially and/or temporally correlated with package measurement data using vector-based ray-tracing methods, homogeneous transformations, and object-oriented decision logic so as to enable simultaneous tracking of multiple packages being transported through the scanning tunnel.

AUTOMATED TUNNEL-TYPE LASER SCANNING SYSTEM EMPLOYING CORNER-PROJECTED ORTHOGONAL LASER SCANNING PATTERNS FOR ENHANCED READING OF LADDER AND PICKET FENCE ORIENTED BAR CODES ON PACKAGES MOVING THERETHROUGH

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Haddonfield, NJ, United States of America

Francis E Lodge