1
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.


2
Mark Krichever, Boris Metlitsky: Scan pattern generators for bar code symbol readers. Symbol Technologies, October 22, 1991: US05059779 (69 worldwide citation)

The scan pattern, scan direction of at least one scan line, the intensity of a light beam, and the scan rate are individually or collectively changeable in a scanner for reading bar code symbols.


3
Mark J Krichever, Boris Metlitsky: Scan pattern generators for bar code symbol readers. Symbol Technologies, Kirschstein Kirschstein Ottinger & Israel, March 28, 1989: US04816661 (56 worldwide citation)

Multiple scan line pattern generators including bidirectional scan patterns of mutually parallel scan lines, and scan patterns composed of intersecting lines, are superimposed over bar code symbols to be read. At least one of the scan lines is automatically moved closer to and further away from a re ...


4
Mark Krichever, Boris Metlitsky: Scan pattern generators for bar code symbol readers. Symbol Technologies, Kirschstein Ottinger Israel & Schiffmiller, June 23, 1992: US05124539 (54 worldwide citation)

Multiple scan line pattern generators including scan patterns composed of intersecting lines are superimposed over bar code symbols to be read. At least one of the scan lines is automatically moved closer to and further away from a reader to perform a zooming function to read far-out and close-in sy ...


5
Paul Dvorkis, Howard Shepard, Simon Bard, Joseph Katz, Edward Barkan: Scan pattern generators for bar code symbol readers. Symbol Technolgoies, January 18, 1994: US05280165 (41 worldwide citation)

A scan pattern generator for use in a bar code reader which uses a single drive (one coil and one magnet) to produce movement of a reflective surface so as to produce an oscillating movement of the surface in two directions, thereby forming a raster-type scanning pattern when a light beam is reflect ...


6
Krichever Mark J, Metlitsky Boris: Scan pattern generators for bar code symbol readers.. Symbol Technologies, December 19, 1990: EP0402952-A2 (2 worldwide citation)

The scan pattern, scan direction of at least one scan line, the intensity of a light beam, and the scan rate are individually or collectively changeable in a scanner for reading bar code symbols.


7
Krichever Mark J, Metlitsky Boris: Generateurs de mires pour lecteurs de codes a barres, Scan pattern generators for bar code symbol readers. Symbol Technologies A Delaware Corporation, OGILVY RENAULT SENCRLSRL, January 7, 1992: CA1293875

ABSTRACT OF THE DISCLOSURE Multiple scan line pattern generators includ-ing bidirectional scan patterns of mutually parallelscan lines, and scan patterns composed of intersectinglines, are superimposed over bar code symbols to be read. At least one of the scan lines is automatically movedcloser to a ...