| Patent Number |
Title Of Patent |
Date Issued |
| 7525541 |
Data processing for three-dimensional displays |
April 28, 2009 |
| Generating a three-dimensional image of a three-dimensional scene by generating projection data and projecting light rays based on the projection data to generate the three-dimensional image. Sampling of the data is based on at least one physical parameter associated with the project |
| 7477252 |
Processing three dimensional data for spatial three dimensional displays |
January 13, 2009 |
| A three dimensional image is displayed by providing initial data corresponding to the three dimensional image, generating a plurality of sets of data from the initial data, each set of data corresponding to an intersection of the three dimensional image with a surface, and displaying |
| 7364300 |
Theta-parallax-only (TPO) displays |
April 29, 2008 |
| A 3-D display may comprise a rotating optical diffuser for displaying 3-D parallax images in specific substantially unidirectional viewing zones as the rotating optical diffuser rotates; and a projector for projecting images through the rotating optical diffuser. |
| 7286128 |
System and method for rendering data associated with a 3-D scene description |
October 23, 2007 |
| A system and a method for rendering data associated with a 3-D scene description are provided. The system includes a graphics processing unit configured to operably communicate with a communications bus. The graphics processing unit is further configured to receive the 3-D scene desc |
| 7283308 |
Optical systems for generating three-dimensional images |
October 16, 2007 |
| In general, in one aspect, the invention features systems that include a spatial light modulator, a scanning optical component configured to direct light from the spatial light modulator along a plurality of different paths, a projection optical assembly including a plurality of proj |
| 7277226 |
Radial multiview three-dimensional displays |
October 2, 2007 |
| A 3D display may comprise a rotating optical diffuser screen; and a projector for projecting images through the rotating optical diffuser screen. The rotating optical diffuser screen may be structured to optically create an exit pupil, said exit pupil having a limited horizontal view |
| 7221375 |
System and method for generating dithering patterns associated with a digital image |
May 22, 2007 |
| A system and a method for generating dithering patterns associated with a digital image are provided. The method includes generating a first table index value indicative of a location in a first table where first, second, and third color intensity values associated with a plurality of |
| 7023466 |
Three-dimensional display systems |
April 4, 2006 |
| Three-dimensional display apparatus and methods are disclosed. The apparatus and methods generate three-dimensional images for an observer by providing components of the image in a series of frames to an image space. Providing the image components can include: scanning an image of a |
| 7012601 |
Line drawing for a volumetric display |
March 14, 2006 |
| A method for rapid rendering of a desired line in a volumetric display having a rotatable screen includes stepping the rotatable screen through a sequence of angular positions and, at each angular position, rendering, on the rotatable screen, a rasterized approximation of a line segment |
| 6940653 |
Radiation conditioning system |
September 6, 2005 |
| A holographic imaging system and method includes a radiation source for generating radiation. A data base has a set of elements, each element is indicative of a trajectory of a light ray exiting a point in a recorded scene. A spatial light modulator is receptive of the radiation from the |
| 6888545 |
Rasterization of polytopes in cylindrical coordinates |
May 3, 2005 |
| A method for rendering a polytope in a volumetric display includes partitioning the polytope into a plurality of polytope sections, each of the polytope sections being disposed in an active slice defined by an entry plane and an exit plane. The presence of an imaging screen within th |
| 6885372 |
Rasterization of lines in a polar pixel grid |
April 26, 2005 |
| A method of rasterizing a line on a display having pixels with locations defined by a polar coordinate system uses the sign of a discriminant to choose which of two candidate pixels is to be the next pixel on the rasterized line. The discriminant, which is derived from the desired line, |
| 6873335 |
Graphics memory system for volumeric displays |
March 29, 2005 |
| A graphics memory system for managing image data for a volumetric display that displays volumetric images, the system including a first buffer memory with a first predefined address space for holding image data for a three-dimensional image; a second buffer memory with as second predefin |
| 6570681 |
System and method for dynamic optical switching using a diffractive optical element |
May 27, 2003 |
| An optical crossbar switch system includes: a mask comprising multiple patterns, wherein at least one of the multiple patterns is a diffractive pattern; and a spatial light modulator positioned to receive at least one optical input beam and selectively couple at least a portion of each o |
| 6554430 |
Volumetric three-dimensional display system |
April 29, 2003 |
| The invention features a volumetric display system including an optical relay, a motor, a support structure coupled to the motor, a projection screen disposed on the support structure, and a projection optic. During operation, the projection optic receives a light beam from the optical |
| 6512498 |
Volumetric stroboscopic display |
January 28, 2003 |
| In a volumetric display, a strobe source illuminates a moving object at successive instants separated by potentially unequal time intervals. By specifying these intervals, an illumination controller achieves eye-catching visual effects suitable for advertising kiosks or other public |
| 6489961 |
Rasterization of lines in a cylindrical voxel grid |
December 3, 2002 |
| In a cylindrical coordinate system, the dominant direction of a line changes in a predictable manner. A rasterizer uses this fact to efficiently render a desired line on a volumetric display. It does do by determining whether first and second points on the desired line are on first a |
| 6487020 |
Volumetric three-dimensional display architecture |
November 26, 2002 |
| A display system including a lenticular screen; a support assembly movably supporting the lenticular screen; and a drive mechanism which during operation causes the lenticular screen to repeatedly sweep through a volume of space. |
| 6183088 |
Three-dimensional display system |
February 6, 2001 |
| A three-dimensional display system is disclosed which includes a display target that receives a projected image and that rotates about an axis to form a three-dimensional image from the projected image. The display target has front and back surfaces that meet at locations relative to the |
