1
Jerome Swartz, Yajun Li, Paul Dvorkis, Glenn Spitz: Method and apparatus for reading two-dimensional bar code symbols with an elongated laser line. Symbol Technologies, Fish & Richardson P C, April 15, 1997: US05621203 (272 worldwide citation)

A plurality of the areas of different light reflectivity of a bar code symbol, or the like, are simultaneously illuminated, using, e.g., a beam of laser light that has an elongated cross-section. The laser light beam is swept over the symbol in a direction transverse to the elongated dimension of th ...


2
Paul Dvorkis, David P Goren, Glenn S Spitz: Laser scanning system and scanning method for reading bar codes. Symbol Technologies, August 10, 1993: US05235167 (170 worldwide citation)

A system for reading bar code symbols or the like, including one- or two-dimensional bar code symbols having a scanner for generating a laser beam directed toward a target and producing a narrow first raster scanning pattern that enables the user to manually aim and direct the beam to the location d ...


3
Paul Dvorkis, Edward Barkan, Howard Shepard, Joseph Giordano, Yuri Gofman, Robert Doran, John Barile, Henry Grosfeld, Avi Korenshtein, Kevin Cordes, Ophir Chernin, Mitch Maiman, Patrick Wallace: Bar code reader with an integrated scanning component module mountable on printed circuit board. Symbol Technologies, Kirschstein et al, February 13, 2001: US06186400 (158 worldwide citation)

A bar code reader has an integrated scanning component module which is mountable on a printed circuit board. In one embodiment, the module may include the digitizer/decoder electronics, enabling the module to be used with a generic PCB. In some embodiments, the module includes a high speed optical s ...


4
Edward Barkan, Paul Dvorkis, Howard Shepard, Miklos Stern, Chinh Tan: Techniques for miniaturizing bar code scanners including spiral springs and speckle noise reduction. Symbol Technologies, Kirschstein et al, September 9, 2003: US06616046 (136 worldwide citation)

Various techniques for reducing the size of bar code scanner modules are disclosed including embodiments having miniature moving mirror elements employing spiral tape springs and micro machined structures. Other embodiments employ VCSELs and relatively small collection areas, while minimizing speckl ...


5
Raj Bridgelall, Howard Shepard, Edward Barkan, Robert Sanders, Mitch Maiman, Paul Dvorkis, Joseph Boriotti, Mark Krichever, Vladimir Gurevich, Alexander Breytman: Integrated code reading systems including tunnel scanners. Symbol Technologies, Burns Doane Swecker & Mathis L, December 18, 2001: US06330973 (129 worldwide citation)

The invention relates to systems and techniques for reading optical codes, and more particularly to code reading systems with plural imaging or scanning modules pointed in various directions toward a target volume, which increase the likelihood that a code symbol on an arbitrarily oriented object in ...


6
Raj Bridgelall, Joseph Katz, David P Goren, Paul Dvorkis, Yajun Li: Laser scanning system and scanning method for reading 1-D and 2-D barcode symbols. Symbol Technologies, Lowe Price LeBlanc & Becker, April 2, 1996: US05504316 (100 worldwide citation)

Optical scanning of one- and two-dimensional barcode symbols is carried out first in an aim mode wherein the symbol is scanned using a first scan pattern that is relatively small and dense so as to be visible to the user and thereafter using a second, larger and more robust scan pattern for decoding ...


7
Paul Dvorkis, David P Goren, Glenn S Spitz, Daniel R McGlynn: Dual line laser scanning system and scanning method for reading multidimensional bar codes. Symbol Technologies, February 4, 1997: US05600119 (100 worldwide citation)

A system for reading bar code symbols or the like, having a scanner for generating a laser beam directed toward a target and producing a first narrowly spaced apart dual line scanning pattern that enables the user to manually aim and direct the beam to the location desired by the user and a relative ...


8
Paul Dvorkis, Howard Shepard, Simon Bard, Joseph Katz, Edward Barkan: Scan pattern generators for bar code symbol readers. Symbol Technologies, December 1, 1992: US05168149 (93 worldwide citation)

High speed scanning arrangements in scanners for reading bar code symbols by oscillating a scanner component mounted on an arm of an asymmetrical U-shaped spring in single or multi-axis scan patterns.


9
Edward Barkan, Paul Dvorkis, David Goren, Daniel R McGlynn: Apparatus and method for sensing motion of a portable terminal. Symbol Technologies, Kirschstein et al, August 12, 1997: US05656804 (93 worldwide citation)

A portable terminal has a housing with a motion detector housed therein. Movement of the housing from a a rest position is detected by sensing the motion of a coil or magnet located within the housing. A controller activates circuitry within the housing responsive to the detected movement. The termi ...


10
Paul Dvorkis, Ralph Thomas, David Goren, Robert Fuller, Leonard H Goldner: Electronic stylus type optical reader. Symbol Technologies, November 29, 1994: US05369262 (88 worldwide citation)

An electronic stylus, for use with a computer having a digitizer, has a light emitter for emitting light to illuminate optically encoded information. A photodetector senses light reflected from the illuminated optically encoded information and produced an electrical signal representative of the opti ...