1
William X Tracy, Thomas K Roslak, Judith Murrah, Francis Riso, Robert Beach, Robert Sandler, John Klein: Method and system for presenting item information using a portable data terminal. Symbol Technologies, Mauro Premutico, November 9, 1999: US05979757 (714 worldwide citation)

The present invention relates to an improved portable shopping system. The system is provided with improved data presentation system for presenting customer desired data on a portable terminal. The portable terminal includes audio as well as video presentation means which are used to provide custome ...


2
Alexander R Roustaei, Roland L Lawrence, Ali Lebaschi, Long Xiang Bian, Donald Fisher: Optical scanner for reading and decoding one- and-two-dimensional symbologies at variable depths of field including memory efficient high speed image processing means and high accuracy image analysis means. Symbol Technologies, Brown Martin Haller & McClain, May 26, 1998: US05756981 (549 worldwide citation)

An optical device for reading one- and two-dimensional symbologies at variable depths of field. The device has a light source for projecting emitted light toward the symbol image to be reflected back to an optical assembly, or zoom lens. The zoom gives multiple field of view capability to a CCD dete ...


3
Theodosios Pavlidis, Yajium P Wang, Jerome Swartz: High density two-dimensional bar code symbol. Symbol Technologies, April 19, 1994: US05304786 (461 worldwide citation)

A nonvolatile electro-optical read-only memory includes a substrate on which is printed (or otherwise inscribed) a complex symbol or "label" with a high density two-dimensional symbology, a variable number of component symbols or "codewords" per row, and a variable number of rows. Codewords in alter ...


4
Ynjiun P Wang, Jerome Swartz, Daniel R McGlynn: Record with encoded data. Symbol Technologies, Finnegan Henderson Farabow Garrett & Dunner, August 9, 1994: US05337361 (434 worldwide citation)

A record contains a graphic image and an information area which are interrelated to discourage misuse of the record. The information area can overlay the graphic image and include information encoded in a error-correctable, machine-readable format which allows recovery of the information despite dis ...


5
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 (387 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 ...


6
Jerome Swartz, Edward Barkan, Shelley A Harrison: Portable laser scanning system and scanning methods. Symbol Technologies, Kirschstein Kirschstein Ottinger & Cobrin, June 7, 1983: US04387297 (383 worldwide citation)

An entirely field-portable laser scanning system for reading bar code symbols includes a light-weight and small-sized laser scanning head. The laser source, power supply component, optics, scanning elements, sensor circuit, and signal processing circuitry are specially designed for minimal size and ...


7
Jerome Swartz, Thomas K Roslak, Mauro Premutico, Adam Petrovich, Edward Barkan: Consumer interactive shopping system. Symbol Technologies, Amin & Turocy, January 4, 2005: US06837436 (358 worldwide citation)

The present invention relates generally to a consumer interactive shopping and marketing system. The system includes a portable data terminal for communicating information over a communication network. The present system has aspects that may be used within a shopping establishment or at a user's hom ...


8
Alexander R Roustaei, Donald Fisher: Optical scanner for reading and decoding one- and two-dimensional symbologies at variable depths of field. Symbol Technologies, Brown Martin Haller & McClain, July 28, 1998: US05786582 (349 worldwide citation)

An optical device for reading one- and two-dimensional symbologies at variable depths of field, the device including a light source for projecting an emitted light towards the two-dimensional image and an optical assembly, or zoom lens, with dual field of view capability for focusing light reflected ...


9
Mark Correa, Rubin Gelles, Duanfeng He, Eugene Joseph, Yajun Li, Mehul Patel, Thomas M Stankelis: Imaging engine and method for code readers. Symbol Technologies, Burns Doane Swecker & Mathis L, January 22, 2002: US06340114 (338 worldwide citation)

An imaging engine and signal processing devices and methods are disclosed for reading various kinds of optical codes. The compact structure may include a two dimensional image sensor, apparatus for focusing images at different focal disclosures, an aiming system, a hi-low beam illumination system an ...


10
Stephen J Shellhammer, Ming Hua Chen, Arman Nikzad: Method and apparatus for decoding two-dimensional bar code using CCD/CMD camera. Symbol Technologies, Finnegan Henderson Farabow Garrett & Dunner, June 7, 1994: US05319181 (328 worldwide citation)

A method and apparatus for decoding a two-dimensional bar code symbol using a charge-coupled device (CCD) camera or a charge-modulation device (CMD) camera. The CCD/CMD camera takes pictures of the symbol and the picture is converted into digital data. The location and orientation of the two-dimensi ...



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