Robert Christensen

Reduction Of Speckle And Interference Patterns For Laser Projectors

Application

#7193765 Mar 20, 2007

Filed

Mar 31, 2005

Inventor

Robert R. Christensen (Salt Lake City, UT) · Forrest L. Williams (Sandy, UT) · Allen H. Tanner (Sandy, UT)

Appl. No.

11/097462

Assignee

Evans & Sutherland Computer Corporation (Salt Lake City, UT)

International Classification

G02F 1/01

U.S. Classification

359279

Abstract

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 continuous wave laser such that the laser output is s-polarized with respect to a beam combiner. The s-polarized laser output can be divided into a first laser beam and a second laser beam. A phase of the second laser beam can be modulated with an amplitude sufficient to create a phase delay of approximately half a wavelength of the laser output and at a frequency at least twice that of the SLM's pixel rate.

System And Method For Reduction Of Image Artifacts For Laser Projectors

Application

#7400449 Jul 15, 2008

Filed

Sep 29, 2006

Inventor

Robert R. Christensen (Salt Lake City, UT) · Forrest L. Williams (Sandy, UT) · Allen H. Tanner (Sandy, UT)

Appl. No.

11/541154

Assignee

Evans & Sutherland Computer Corporation (Salt Lake City, UT)

International Classification

G02B 5/18, G02B 27/44

U.S. Classification

359566, 359558

Abstract

A system and method is disclosed for reducing visibility of image artifacts caused by diffractive elements in a laser projector having a structured diffractive device. At least two diffracted orders of light can be selected from light emitted from the structured diffractive device using a spatial light filter. The polarization of at least one of the selected diffracted orders can be changed with respect to another selected diffracted order. The selected diffracted order can be recombined to form an image having reduced visible image artifacts.

Potato-Based Foodstuff And Process For Making Same

Application

#5061507 Oct 29, 1991

Filed

Jul 23, 1990

Inventor

David J. Aulik (Channel Islands Harbor, CA) · Robert E. Christensen (Camarillo, CA)

Appl. No.

7/557149

Assignee

Horizons International Foods, Inc. (Burlington, MA)

International Classification

A23L 1216, A23L 1217

U.S. Classification

426637

Abstract

The present application discloses processes for making novel foodstuffs from ingredients comprising potato materials and protein. The novel foodstuffs produced by these processes are rapidly heated from a frozen state to a serving temperature in conventional heating equipment. The novel foodstuffs produced comprise a new french fry type foodstuff and a seafood analog.
Also disclosed is a process to improve the formation of fiber from vegetable protein.

Potato-Based Foodstuff

Application

#4959240 Sep 25, 1990

Filed

Oct 14, 1987

Inventor

David J. Aulik (Channel Islands Harbor, CA) · Robert E. Christensen (Camarillo, CA)

Appl. No.

7/108722

Assignee

Horizons International Foods, Inc. (Burlington, MA)

International Classification

A23L 1216, A23L 1217

U.S. Classification

426637

Abstract

Process for making novel foodstuffs from ingredients comprising potato materials and protein are disclosed. The novel foodstuffs produced by these processes are rapidly heated from a frozen state to a serving temperature in conventional heating equipment. The novel foodstuffs produced comprise a new french fry type foodstuff and a seafood analog. Also disclosed is a process to improve the formation of fiber from vegetable protein.

Devices, Systems, And Methods For Composite Signal Decoding

Application

#5357544 Oct 18, 1994

Filed

Jul 21, 1992

Inventor

Thomas G. Horner (Rockwall, TX) · Robert E. Christensen (Medford, MA) · Alireza Lovrich (Houston, TX)

Appl. No.

7/918189

Assignee

Texas Instruments, Incorporated (Dallas, TX)

International Classification

H04L 2706

U.S. Classification

375 94

Abstract

A method is provided for decoding a composite signal which includes receiving a composite signal including a pilot signal at a pilot signal frequency, and first and second information modulated with a subcarrier at a harmonic of the pilot frequency. The composite signal is sampled at a preselected sampling frequency. The sampled composite signal is mixed down with a reference signal of approximately the same frequency. The mixed down pilot signal is extracted from the mixed down composite signal, the amplitude and sign of the mixed down pilot signal proportional to the phase difference between the pilot signal and the reference signal. The phase of the reference signal is adjusted as a function of the amplitude and sign of the mixed down pilot signal such that the reference signal is approximately 90. degree. out of phase with the received pilot signal. The sample of the composite signal taken closest to the start of a period of the pilot signal is identified.

Method And Protein Product Having Aligned Fibers

Application

#4910040 Mar 20, 1990

Filed

Mar 23, 1988

Inventor

Robert F. Sagarino (Fremont, CA) · Thomas Streigler (San Jose, CA) · David J. Aulik (Camarillo, CA) · Robert E. Christensen (Camarillo, CA) · Jerome B. Jansen (Chelmsford, MA)

Appl. No.

7/172021

Assignee

Horizons International Foods, Inc. (Burlington, MA)

International Classification

A23J 300

U.S. Classification

426656

Abstract

A process for preparing a starch-protein fiber comprising forming a dough, relaxing the dough mixing tension in said dough, pushing said dough through a passageway having a decreasing cross-sectional area, and then pushing said dough through a further passageway and heating said dough to set the product.