Mark E Drzymala

US Patent:

6592040, Jul 15, 2003

Filed:

May 30, 2002

Appl. No.:

10/158091

Inventors:

Edward Barkan - Miller Place NY
Mark Drzymala - Commack NY
Yajun Li - Oakdale NY
Henry Grosfeld - Great Neck NY
Timothy Austin - Stony Brook NY
Vikram Bhargava - Nesconset NY

Assignee:

Symbol Technologies, Inc. - Holtsville NY

International Classification:

G06K 710

US Classification:

23547201, 23546201, 23546245

Abstract:

A hand-held bar code reader including a housing bounding an interior, a window, a generally planar printed circuit board mounted in the interior, and an optical scanning assembly mounted on the board and including a scanner for directing a light beam through the window at an acute angle relative to the board. A scanning element of the reader is manufactured by spacing a first and second support element apart by a gap bounded by edges of the support elements; injection molding a curable, elastomeric material in flowable form over the edges and into the gap; and allowing the curable, elastomeric material to cure and bond to the edges, and form a flexible hinge in the gap for enabling movement of the support elements relative to one another both away from and toward a stable rest initial position.

US Patent:

6637657, Oct 28, 2003

Filed:

Jul 3, 2001

Appl. No.:

09/898237

Inventors:

Edward Barkan - Miller Place NY
Howard M. Shepard - Great River NY
Mark E. Drzymala - Commack NY

Assignee:

Symbol Technologies, Inc. - Holtsville NY

International Classification:

G06K 710

US Classification:

23546243

Abstract:

A non-retroreflective compact scan module in an electro-optical reader includes a laser light source, a photosensor and an electromagnetic coil mounted at one surface of a printed circuit board. The laser emits a laser beam perpendicular to the board, and is redirected to an oscillatable scan mirror which is magnetically centered to a rest position when the coil is de-energized. Electrical circuitry is mounted at an opposite surface of the board.

US Patent:

6802451, Oct 12, 2004

Filed:

Aug 7, 2002

Appl. No.:

10/215330

Inventors:

Dmitriy Yavid - Stony Brook NY
Frederick R. Wood - Medford NY
Mark Drzymala - Commack NY

Assignee:

Symbol Technologies, Inc. - Holtsville NY

International Classification:

G06K 710

US Classification:

23547201, 23546245

Abstract:

An apparatus and actuator assembly for and method of projecting an image on a viewing surface either attached to the apparatus, or on a distant surface, includes sweeping a light beam along a plurality of scan lines that extend over the viewing surface, and selectively illuminating parts of the image at selected positions of the light beam on the scan lines. The viewing surface can be selected by the user by moving a panel on the housing, thereby allowing the user either option for display.

US Patent:

6817529, Nov 16, 2004

Filed:

Jun 25, 2003

Appl. No.:

10/603465

Inventors:

Edward Barkan - Miller Place NY
Mark Drzymala - Commack NY
Yajun Li - Oakdale NY

Assignee:

Symbol Technologies, Inc. - Holtsville NY

International Classification:

G06K 710

US Classification:

23547201, 23546247, 23546243, 23546245, 23546236

Abstract:

A hand-held bar code reader including a housing bounding an interior, a window, a generally planar printed circuit board mounted in the interior, and an optical scanning assembly mounted on the board and including a scanner for directing a light beam through the window at an acute angle relative to the board. A scanning element of the reader is manufactured by spacing a first and second support element apart by a gap bounded by edges of the support elements; injection molding a curable, elastomeric material in flowable form over the edges and into the gap; and allowing the curable, elastomeric material to cure and bond to the edges, and form a flexible hinge in the gap for enabling movement of the support elements relative to one another both away from and toward a stable rest initial position.

US Patent:

6834805, Dec 28, 2004

Filed:

Jan 16, 2002

Appl. No.:

10/050625

Inventors:

Paul Dvorkis - Stony Brook NY
Edward Barkan - Miller Place NY
Howard Shepard - Great River NY
David Tsi - Stony Brook NY
Mark Drzymala - Commack NY
Harold Charych - East Setauket NY
Raj Bridgelall - Mt. Sinai NY

Assignee:

Symbol Technologies, Inc. - Holtsville NY

International Classification:

G06K 710

US Classification:

2354622, 23546223

Abstract:

A multiple working range scanner includes a collection mirror which is segmented, with each segment having differing optical properties, such as focal length, optical axis, and so on. Differing segments or combinations of segments deal with reflected light received at differing working ranges, and direct it to a photodetector. In another embodiment, beam shaping may be applied to an astigmatic laser beam, for example by means of a part-concave mirror, to create an x waist in the beam which is further from the scanner than the y waist. This provides enhanced performance when the scanner is used on a bar code symbol which is not accurately aligned. In order to provide improved optical alignment within a bar code scanner, the collection mirror may be adjustable both in the x direction and in the y direction.

US Patent:

7059528, Jun 13, 2006

Filed:

Apr 30, 2004

Appl. No.:

10/835646

Inventors:

Edward Barkan - Miller Place NY, US
Howard Shepard - Great River NY, US
Mark E. Drzymala - Commack NY, US

Assignee:

Symbol Technologies, Inc. - Holtsville NY

International Classification:

G02B 26/00
G06K 7/10

US Classification:

23546237, 23546201

Abstract:

A raster pattern for reading bar code symbols is created by successively reflecting a light beam off scan mirrors oscillated respectively by a resonant motor drive and by another motor drive driven synchronously with the resonant drive.

US Patent:

7207489, Apr 24, 2007

Filed:

Jan 31, 2005

Appl. No.:

11/047240

Inventors:

Mark Drzymala - Commack NY, US
Edward Barkan - Miller Place NY, US
Heng Zhang - Holbrook NY, US

Assignee:

Symbol Technologies, Inc. - Holtsville NY

International Classification:

G06K 7/10

US Classification:

235454, 23546225

Abstract:

Methods and apparatus for providing a relatively miniature injection molded scan motor, for example, for a retroreflective illumination system. An exemplary scan motor comprises a spring module that includes a static substrate and a dynamic substrate coupled together by an injection molded flexible spring. In an embodiment, the spring can be liquid injection molded. The scan motor also comprises a magnet and a reflective element that extends beyond the static substrate and/or the dynamic substrate.

US Patent:

7281658, Oct 16, 2007

Filed:

Mar 3, 2005

Appl. No.:

11/071002

Inventors:

Howard Shepard - Great River NY, US
Mark Drzymala - Commack NY, US
Edward Barkan - Miller Place NY, US
Heng Zhang - Holbrook NY, US
Vladimir Gurevich - Stony Brook NY, US

Assignee:

Symbol Technologies, Inc. - Holtsville NY

International Classification:

G06K 7/10

US Classification:

235454, 23546232

Abstract:

A mirror module, comprising a collection mirror comprising an opening and a first reflective surface lying in a first plane, and a fold mirror coupled to said collection mirror, said fold mirror comprising a second reflective surface lying in a second plane, the second plane not being parallel to the first plane. In addition, said fold mirror may extend behind said collection mirror at an angle, wherein said angle is established so that a laser impinging on said fold mirror is reflected through said opening in said collection mirror.