1
Erik Van Horn, Patrick Anthony Giordano, Thomas Amundsen, Daniel James Olson, Robert Hugh Brady, Stephen Colavito, Kevin Saber, Thomas Haggerty, David M Wilz Sr: Bar code symbol reading system employing an extremely elongated laser scanning beam capable of reading poor and damaged quality bar code symbols with improved levels of performance. Metrologic Instruments, Summa Additon & Ashe P A, February 19, 2013: US08376233 (260 worldwide citation)

The system includes a housing having a light transmission window and produces an extremely-elongated laser beam having an elongation ratio (ER) that is defined as greater than 4.5 for any point within the working range of the laser scanning bar code symbol reading system. A laser scanning mechanism ...


2
Thomas Haggerty, Robert H Brady: Method of selectively projecting scan lines in a multiple-line barcode scanner. Metrologic Instruments, Summa Additon & Ashe P A, February 12, 2013: US08371507 (257 worldwide citation)

A method of selectively generating one or more scan lines from a multi-scan line scanner involves measuring the pulse widths of the pulses in a signal output of a motor driving the polygon mirror of the scanner wherein the signal relates to the position of the polygon's mirror facets. By measuring a ...


3
Erik Van Horn, Sean Philip Kearney, Patrick Anthony Giordano, Timothy Good, Chandler Dickinson, Ka Man Au, David Wilz Sr, John A Furlong, Benjamin Hejl, Joseph A Walczyk, Larry Coyle, James Rosetti, Thomas Haggerty: Multifunction point of sale system. Hand Held Products, Additon Higgins & Pendleton P A, August 9, 2016: US09412242 (128 worldwide citation)

A point of sale system capable of operating in an indicia-reading mode or a verification mode is disclosed. In the indicia-reading mode, the point of sale system configures its illumination, imaging, and processing to read indicia as part of a normal checkout process. If triggered by a user or by an ...


4
David M Wilz Sr, Sergio Movsessian, Hong Ji, Thomas Haggerty: Laser scanning code symbol reading system employing programmable decode time-window filtering. Metrologic Instruments, Additon Higgins & Pendleton P A, July 28, 2015: US09092682 (18 worldwide citation)

A method and system for reading code symbols using a code symbol reading system having a programmable decode time-window filter mode of operation. During this mode of operation, only decoded code symbols that have been scanned within a selected (e.g. central) portion of the laser scan line field are ...


5
Erik Van Horn, Sean Philip Kearney, Patrick Anthony Giordano, Timothy Good, Chandler Dickinson, Ka Man Au, David Wilz Sr, John A Furlong, Benjamin Hejl, Joseph A Walczyk, Larry Coyle, James Rosetti, Thomas Haggerty: Multifunction point of sale system. HAND HELD PRODUCTS, Additon Higgins & Pendleton P A, January 22, 2019: US10185945

A point of sale system capable of operating in an indicia-reading mode or a verification mode is disclosed. In the indicia-reading mode, the point of sale system configures its illumination, imaging, and processing to read indicia as part of a normal checkout process. If triggered by a user or by an ...


6
Ka Man Au, John A Furlong, Thomas Haggerty: Method and system for improving barcode scanner performance. Hand Held Products, Additon Higgins & Pendleton P A, June 20, 2017: US09685049

A barcode scanner should output one scanned result per scanned item at checkout. Scanners with large scan areas and multiple scan lines may scan an item more than once as it is dragged through the scan area during the checkout process. A timeout period, during which duplicate scans are ignored, may ...


7
David M Wilz Sr, Sergio Movsessian, Hong Ji, Thomas Haggerty: Laser scanning code symbol reading system employing programmable decode time-window filtering. Metrologic Instruments, Additon Higgins & Pendleton P A, November 8, 2016: US09489555

A method and system for reading code symbols using a code symbol reading system having a programmable decode time-window filter mode of operation. During this mode of operation, only decoded code symbols that have been scanned within a selected (e.g. central) portion of the laser scan line field are ...


8
Thomas Haggerty, Robert H Brady: Method of selectively projecting scan lines in a multiple-line barcode scanner. Metrologic Instruments, DUANE MORRIS Philadelphia, April 16, 2009: US20090095814-A1

A method of selectively generating one or more scan lines from a multi-scan line scanner involves measuring the pulse widths of the pulses in a signal output of a motor driving the polygon mirror of the scanner wherein the signal relates to the position of the polygon's mirror facets. By measuring a ...


9
Erik Van Horn, Patrick Anthony Giordano, Thomas Amundsen, Daniel James Olson, Robert Hugh Brady, Stephen Colavito, Kevin Saber, Thomas Haggerty, David M Wilz SR: Bar code symbol reading system employing an extremely elongated laser scanning beam capable of reading poor and damaged quality bar code symbols with improved levels of performance. Metrologic Instruments, December 20, 2012: US20120318868-A1

A laser scanning bar code symbol reading system for scanning and reading poor quality or damaged bar code symbols. The system includes a housing having a light transmission window; an extremely-elongated laser beam production module for producing an extremely-elongated laser beam having (i) a direct ...