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Inventor:
Rykowski; Ronald F.
Address:
Woodinville, WA
No. of patents:
14
Patents:












Patent Number Title Of Patent Date Issued
7995098 Systems and methods for measuring spatial and angular performance of a visual display August 9, 2011
Systems and methods for measuring spatial and angular performance of a visual display are disclosed herein. In one particular embodiment, for example, a method for measuring spatial and angular performance of a flat panel visual display includes capturing a plurality of image measurement
7911485 Method and apparatus for visual display calibration system March 22, 2011
The present disclosure provides methods and apparatuses for calibration of a visual display. In one exemplary implementation of the invention, a visual display module is placed in a test station and a digital camera captures image data from the module. The digital camera can include a CC
7907154 Method and apparatus for on-site calibration of visual displays March 15, 2011
The present disclosure provides methods and apparatuses for on-site calibration of a visual display sign. In one exemplary implementation of the invention, an imaging device captures image data from a visual display sign. The imaging device can include a CCD digital camera and optics
7697060 Rotary shutter assemblies for imaging photometers and methods for using such shutter assemblies April 13, 2010
Rotary shutter assemblies for imaging photometers and methods for using such shutters are disclosed herein. In one embodiment, for example, a method for capturing an image with an imaging photometer can include positioning a rotary shutter having an aperture at a first position such
6975775 Stray light correction method for imaging light and color measurement system December 13, 2005
A stray light correction method for image light and color measurement system, uses a solid-state light detector array such as a charge-coupled device to record an image, so that a gray level value for each pixel of the solid-state light detector array is obtained. An average gray level
6095668 Incandescent visual display system having a shaped reflector August 1, 2000
A visual display sign having a lighting unit that provides high-efficiency light output from a non-point source of light. The reflector in the lighting unit is sealed and has a shaped reflecting surface obtained by generating a curve from a set of predetermined curve reference points. Th
5940152 Dual-fresnel field lens for a single-panel LCD projection system August 17, 1999
A dual-Fresnel field lens liquid crystal display projection system which includes first and second flat Fresnel lenses having their faceted surfaces facing one another and positioned adjacent to one another along the optical axis of the system between a liquid crystal display light m
5934795 Lens design for outdoor sign August 10, 1999
The present invention comprises a lighting unit having a light source emitting light, a reflector placed behind the light source for reflecting the emitted light, and a lens held in front of the light source. The lens is substantially flat and circular. The lens has a predetermined struc
5857041 Optical coupler and method utilizing optimal illumination reflector January 5, 1999
An optical fiber manifold is provided for coupling light from an illumination source to a plurality of spaced, large diameter output fibers, or "light pipes", which are used for a variety of purposes, such as illuminating pools, spas, hazardous material zones, jail cells, and other a
5790725 Multiport illuminator for macro-fibers August 4, 1998
The inventive system, which is used in transmitting illumination from a central source to a variety of remote locations, efficiently couples the light originating from an arc lamp, or similar source, into a multiplicity of flexible macroscopic fibers. The combination of the several eleme
5751870 Optical fiber lensed illumination coupler May 12, 1998
An optical fiber manifold is provided for coupling light from an illumination source to a plurality of spaced, large diameter output fibers, or "light pipes", which are used for a variety of purposes, such as illuminating pools, spas, hazardous material zones, jail cells, and other a
5607229 Illumination system including an asymmetrical projection reflector March 4, 1997
An illumination system for providing higher efficiency and greater control over uniformity of illumination of non-circular apertures, which are commonly rectangular. The illumination system comprises a reflector of substantially ellipsoidal form surrounding a light source, and which has
5559911 Optical fiber coupler using segmented lenses September 24, 1996
An optical fiber manifold is provided for coupling light from an illumination source to a plurality of spaced, large diameter output fibers, or "light pipes", which are used for a variety of purposes, such as illuminating pools, spas, hazardous material zones, jail cells, and other a
5467207 LCD projection system which aligns the larger beam spread angle of the light source with the lar November 14, 1995
A projection system comprising a liquid crystal light valve having a wider acceptance angle for incident light in a first direction than in a second direction transverse to the first direction and an illumination system. The illumination system provides light to the liquid crystal light










 
 
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