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Paul Dvorkis, Howard Shepard, Simon Bard, Joseph Katz, Edward Barkan: Electromagnetically activated scanner with suspended scanner component and stop. Symbol Technologies, Kirschstein et al, August 31, 1999: US05945659 (16 worldwide citation)

High speed scanning arrangements in scanners for reading bar code symbols by oscillating a scanner component in a single line pattern, the scanner component being suspended from a flexural assembly for oscillating movement. A stop is operative for contacting the scanner assembly in the event that th ...


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Paul Dvorkis, Howard Shepard, Simon Bard, Joseph Katz, Edward Barkan: Electro-magnetically activated scanner with suspended scanner component. Symbol Technologies, Kirschstein et al, February 23, 1999: US05874720 (16 worldwide citation)

High speed scanning arrangements in scanners for reading bar code symbols by oscillating a scanner component in a single line pattern, the scanner assembly being suspended from a flexural assembly for oscillating movement. A drive is operative for moving the scanner assembly from a rest position in ...


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Henry Grosfeld, Robert Doran, Paul Dvorkis, Hal Charych: Compact bar code scanning module with folded beam path and reflector mounted on spring. Symbol Technologies, Kirschstein et al, June 9, 1998: US05763863 (16 worldwide citation)

A light emitter emits light through an offset opening in a concave collector to a reflector that reflects the light along a first path to coded indicia to be read in an electro-optical reader. Light reflected from the indicia is reflected by the reflector to the collector which, in turn, directs the ...


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Raj Bridgelall, Joseph Katz, David Goren, Paul Dvorkis, Yajun Li: Laser scanning system and scanning method for reading 1-D and 2-D barcode symbols. Symbol Technologies, Kirschstein et al, November 23, 1999: US05988508 (16 worldwide citation)

A reader for electro-optical reading bar code symbols of reduced height, comprises a light source for generating a light beam along an optical path; a pair of oscillatable reflectors in the optical path; a first drive for oscillating the reflectors at different frequencies that are a ratio of about ...


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Vladimir Gurevich, Mark Krichever, Boris Metlitsky, Paul Dvorkis: Moving beam and field of view readers with dichroic filter. Symbol Technologies, Kirschstein et al, June 15, 1999: US05912451 (16 worldwide citation)

An optical reader for reading indicia such as bar codes comprises a first and second light source for generating first and second laser beams. The respective laser sources generate light at different wavelengths and a dichroic filter is provided to allow either source to be used without parallax eff ...


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Raj Bridgelall, Joseph Katz, David P Goren, Paul Dvorkis, Yajun Li: Palm scanner. Symbol Technologies, Fish & Richardson P C, July 2, 2002: US06412697 (16 worldwide citation)

A hand-held optical reader for reading printed indicia on a remote target includes a light source for generating a scanning light beam and a detector for detecting the light reflected from the printed indicia. The light source and detector are housed within a housing having a window through which th ...


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Paul Dvorkis, Howard Shepard, Simon Bard, Joseph Katz, Edward Barkan: Omni-directional scan pattern generator in electro-optical scanners. Symbol Technologies, Kirschtein et al, December 3, 1996: US05581070 (15 worldwide citation)

High speed scanning arrangements in scanners for reading bar code symbols by oscillating a scanner component in single or multi-axis scan patterns.


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Simon Bard, Joseph Katz, Frederic Heiman, Paul Dvorkis, Edward Barkan, Jerome Swartz, Boris Metlitsky, Miklos Stern, Mark Krichever: Portable optical scanning and pointing systems. Symbol Technologies, Kirschstein et al, November 14, 2000: US06145746 (15 worldwide citation)

An optical scanning system for reading indicia of differing light reflectivity has an optical scan module which is adapted to be mounted on a finger of a user. A first peripheral module, preferably in the form of a wrist watch, has a receiver which detects the reflected light. A second peripheral mo ...


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Paul Dvorkis, Howard Shepard, Edward Barkan, Simon Bard, Henry Grossfeld, Mark Dryzmala, Harold Charych, Raj Bridgelall, David Tsi, Ian Jenkins, Chin Hung Jwo, Theodore Koontz: Electro-optical reader with hands-free and hand-held modes of operation. Symbol Technologies, Kirschstein et al, June 25, 2002: US06410931 (15 worldwide citation)

An optical scan module, for example for an optical scanner, includes an integrally molded plastics material member which defines not only the laser focusing lens, but also the laser focusing aperture and the collection mirror. In addition, the molded member may act to house and to locate both a semi ...


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Mark Drzymak, Paul Dvorkis, Yuri Gofman, Henry Grossfeld, Timothy Healey, Howard Shepard: Electro-optical scan module using selectable mirrors. Symbol Technologies, Kirschstein et al, April 20, 2004: US06722566 (15 worldwide citation)

Mirrors having different optical properties are selected to change the cross-section of a beam electro-optical reader for reading bar code symbols.