1
Alexander R Roustaei: System for reading two-dimensional images using ambient and/or projected light. Symbol Technologies, Clifford Chance Rogers & Wells, February 12, 2002: US06347163 (393 worldwide citation)

A system for reading a two-dimensional image, and for comparing the two-dimensional image to stored data representative of a known image. The optical scanning device comprises a sensor for capturing the two-dimensional image, which sensor includes a light source for projecting an emitted light towar ...


2
Alexander R Roustaei: System for reading two-dimensional images using ambient and/or projected light. Symbol Technologies, Mitchell S Feller, Clifford Chance US, May 4, 2004: US06729546 (211 worldwide citation)

A system for reading a two-dimensional image, and for comparing the two-dimensional image to stored data representative of a known image. The optical scanning device comprises a sensor for capturing the two-dimensional image, which sensor includes a light source for projecting an emitted light towar ...


3
Alexander R Roustaei: System for reading two-dimensional images using ambient and/or projected light. Ira J Schaefer Esq, Clifford Chance Rogers & Wells, December 27, 2001: US20010055422-A1 (1 worldwide citation)

A system for reading a two-dimensional image, and for comparing the two-dimensional image to stored data representative of a known image. The optical scanning device comprises a sensor for capturing the two-dimensional image, which sensor includes a light source for projecting an emitted light towar ...


4
Alexander R Roustaei: System for reading two-dimensional images using ambient and/or projected light. Clifford Chance Rogers & Wells, June 20, 2002: US20020075481-A1

A system for reading a two-dimensional image, and for comparing the two-dimensional image to stored data representative of a known image. The optical scanning device comprises a sensor for capturing the two-dimensional image, which sensor includes a light source for projecting an emitted light towar ...