1
Bret D Winkler, Dennis F Elkins, Allen H Tanner: Ultra-high resolution light modulation control system and method. Evans & Sutherland Computer Corporation, Thorpe North & Western, February 15, 2005: US06856449 (45 worldwide citation)

A microscopic optical structure controller for providing singular control of individual microscopic optical structures of a microelectromechanical optical device by a multiplexed stream of individual pixel values generated by a pixel value source. The microscopic optical structure controller include ...


2
Robert R Christensen, Forrest L Williams, Allen H Tanner: Reduction of speckle and interference patterns for laser projectors. Evans & Sutherland Computer Corporation, Thorpe North & Western, March 20, 2007: US07193765 (19 worldwide citation)

The invention provides a system and method for reducing laser speckle and interference patterns in a laser projector display when using a laser projector having a spatial light modulator (SLM) with a defined pixel rate. The method can include the operation of polarizing a laser output of a continuou ...


3
Harry Streid, Rob Christensen, Allen H Tanner: Wide angle scanner for panoramic display. Evans & Sutherland Computer Corporation, Thorpe North & Western, March 29, 2005: US06871958 (18 worldwide citation)

A wide angle display system includes a linear array projector, a curved display surface, and a two-sided, substantially planar scanning mirror. The projector is configured to project an image along an optical axis to the scanning mirror. The scanning mirror continuously rotates about an axis substan ...


4
Forrest L Williams, Yuri S Grapov, Dennis F Elkins, Allen H Tanner: Apparatus and method for frequency conversion and mixing of laser light. Evans & Sutherland Computer Corporation, Thorpe North & Western, July 13, 2004: US06763042 (17 worldwide citation)

A method and device for the nonlinear combination of laser light which produces a beam of uniform intensity, high spatial purity, and high conversion efficiency. The method includes emitting a laser light from a tunable distributed feedback fiber laser having both thermal and piezoelectric control e ...


5
Allen H Tanner, Calvin L Simmons: Stroke to raster converter system. Evans & Sutherland Computer Corporation, Thorpe North & Western, December 17, 2002: US06496160 (14 worldwide citation)

An apparatus for converting analog stroke display signals representing electron beam generated stroke traces into raster display information for producing a raster-scan image display. The apparatus includes a sampling circuit for sampling the analog stroke display signals to produce pixel data repre ...


6
Forrest Williams, Robert R Christensen, Allen H Tanner: High-resolution-imaging system for scanned-column projectors. Evans & Sutherland Computer Corporation, Thorpe North & Western, September 2, 2008: US07420177 (11 worldwide citation)

A system and method for generating a high-resolution image using a scanned-column projector is disclosed. The method includes the operation of generating a time-varying line image. A further operation includes collimating the time-varying line image in at least one plane. An additional operation inv ...


7
Allen H Tanner, Dennis F Elkins, Cameron C Farmer, Yuri S Grapov: Rapidly oscillating laser light source. Evans & Sutherland Computer Corporation, Thorpe North & Western, March 23, 2004: US06711187 (11 worldwide citation)

A rapidly oscillating laser light source is produced that exhibits extended pulse duration having a substantially uniform amplified output. A pulsed beam of laser light having a given wavelength, frequency, duration and intensity is produced such that the pulse shape is controlled. The pulsed beam i ...


8
Harry Streid, Rob Christensen, Allen H Tanner: Reflection barrier for panoramic display. Evans & Sutherland Computer Corporation, Thorpe North & Western, March 14, 2006: US07012669 (10 worldwide citation)

A panoramic display system includes a curved projection screen, a panoramic projector, and a substantially conically shaped barrier. The projector is configured to project an image onto the projection screen from a projection point located substantially above the projection screen. The conical barri ...


9
Allen H Tanner, Aaron S McAllister: Non-sampled auto-format conversion method. Evans & Sutherland Computer Corporation, Thorpe North & Western, June 15, 2004: US06751001 (10 worldwide citation)

A device for the passive conversion of one format to another includes: a laser light source at a predetermined frequency, a line converter configured to produce a fan of light, a movable lens configured to collimate the fan of light, and an array of light modulators placed such that the collimated l ...


10
Robert R Christensen, Bret D Winkler, Dennis Elkins, Allen H Tanner: System and method for aligning RGB light in a single modulator projector. Evans & Sutherland Computer Corporation, Clayton Howarth & Cannon P C, February 22, 2011: US07891818 (9 worldwide citation)

A projection system that includes a singe light modulation device and a plurality of light sources of different wavelengths. Each wavelength of light is incident on the light modulation device at a spatially distinct location and a temporally distinct time. The use of a scanning mirror allows the pr ...