1
Lionel C Sevrain, Christophe J P Sevrain, Alan Shearin: Bone fastener and instrument for insertion thereof. Walter Lorenz Surgical, Harness Dickey & Pierce, July 10, 2001: US06258091 (187 worldwide citation)

A bone member fastener for closing a craniotomy includes a cap and a base interconnected by a narrow cylindrical collar. The cap has an externally threaded stud that screws into an internally threaded bore of the collar, thereby allowing the cap and base to be brought into clamping engagement agains ...


2
Alan Shearin: Fluid catheter with aqueous fluid core and method of use. Baxter International, Kurt MacLean Poms Smith Lande & Rose, November 30, 1993: US05267341 (78 worldwide citation)

A light transmitting catheter includes a tube having a proximal end and a distal end. The tube contains aqueous fluid an interior surface on the tube has an index of refraction less than the index of refraction of water. The proximal end is provided with an adapter for receiving light from a light s ...


3
Lionel C Sevrain, Christophe J P Sevrain, Alan Shearin: Bone fastener and instrument for insertion thereof. Walter Lorenz Surgical, Harness Dickey & Pierce, July 8, 2003: US06589244 (67 worldwide citation)

A bone member fastener for closing a craniotomy includes a cap and a base interconnected by a narrow cylindrical collar. The cap has an externally threaded stud that screws into an internally threaded bore of the collar, thereby allowing the cap and base to be brought into clamping engagement agains ...


4
Bryan L Olmstead, Alan Shearin: Extended depth of field imaging system using chromatic aberration. Datalogic Scanning, Stoel Rives, May 29, 2007: US07224540 (63 worldwide citation)

An imaging system (FIG. 3) is disclosed that has a wavelength dependent focal shift caused by longitudinal chromatic aberration in a lens assembly (203) that provides extended depth of field imaging due to focal shift (213,214) and increased resolution due to reduced lens system magnification. In us ...


5
Kevin J Whitcomb, Brian M McMaster, Alan Shearin, Anna M Dean: Wedged-shape holographic collector. PSC Scanning, Foley & Lardner, January 2, 2001: US06169614 (28 worldwide citation)

A diffractive collector for an optical scanner includes a wedged-shaped substrate having holographic grating provided on a front surface, a conical-shaped back surface, and at least one detector. Substantially parallel light is made incident upon the front surface of the substrate, and the light is ...


6
Bryan L Olmstead, Alan Shearin: Extended depth of field imaging system using chromatic aberration. Datalogic Scanning, Stoel Rives, December 1, 2009: US07626769 (12 worldwide citation)

An imaging system (FIG. 3) is disclosed that has a wavelength dependent focal shift caused by longitudinal chromatic aberration in a lens assembly (203) that provides extended depth of field imaging due to focal shift (213,214) and increased resolution due to reduced lens system magnification. In us ...


7
Alan Shearin: System and method of optical reading with enhanced depth of field collection. Datalogic Scanning, Stoel Rives, February 17, 2009: US07490770 (12 worldwide citation)

Optical systems and methods of data reading with collection systems having improved depth of field. One configuration is directed to an image-based optical reading system with a plurality of sensor arrays, such as a charge coupled device (CCD) arranged in a compact configuration to minimize the over ...


8
Bryan L Olmstead, Alan Shearin: Imaging system with a lens having increased light collection efficiency and a deblurring equalizer. PSC Scanning, Stoel Rives, May 8, 2007: US07215493 (11 worldwide citation)

In one form, an imaging system comprises an imager that forms an image of an object in a field of view, a rotationally symmetric lens assembly disposed between the imager and the object, and an equalizer. The rotationally symmetric lens assembly provides increased collection efficiency for a given d ...


9
Bryan L Olmstead, Alan Shearin: Rolling-reset imager with optical filter. Datalogic Scanning, Stoel Rives, March 3, 2009: US07499090 (7 worldwide citation)

An imaging system comprises a rolling-reset imager that forms an electronic image of an object, a light source illuminating the object with pulsed light, and a bandpass optical filter disposed between the object and the rolling-reset imager. The pulsed light has an illumination frequency spectrum an ...


10
Bryan L Olmstead, Alan Shearin: Rolling-reset imager. Datalogic ADC, Stoel Rives, March 13, 2012: US08134621 (4 worldwide citation)

An imaging system comprises a rolling-reset imager that forms an electronic image of an object, a light source illuminating the object with pulsed light, and a bandpass optical filter disposed between the object and the rolling-reset imager. The pulsed light has an illumination frequency spectrum an ...