| Patent Number |
Title Of Patent |
Date Issued |
| 8274522 |
Image generation with interpolation of pixels on a grid to pixels on a scan trajectory |
September 25, 2012 |
| An image generation apparatus provides interpolation and distortion correction. The interpolation and distortion correction may be provided in one or two dimensions. Nonlinear image scan trajectories, such as sinusoidal and bi-sinusoidal trajectories are accommodated. Horizontal and |
| 8251517 |
Scanned proximity detection method and apparatus for a scanned image projection system |
August 28, 2012 |
| A encoded image projection system (100) is configured to determine the proximity of the system to a projection surface (106). The encoded image projection system (100) includes a light encoder (105) that scans a non-visible light beam (115) on the projection surface (106) selectively |
| 8249120 |
Closed loop laser control |
August 21, 2012 |
| The radiance of a laser is a function of drive current. The radiance is also a function of other factors, such as age and temperature. A laser projection device adjusts laser drive parameters using a gradient descent operation. The device parameters may be adjusted iteratively and pe |
| 8248541 |
Phased locked resonant scanning display projection |
August 21, 2012 |
| A scanning projector includes a mirror that scans in two dimensions. The scanning mirror oscillates at a resonant frequency on a fast-scan axis, and is phase locked to an incoming frame rate on a slow-scan axis. An interpolation component interpolates pixel intensity data from adjacent |
| 8223161 |
Electronic alignment of primary color pixels in a scanned display |
July 17, 2012 |
| An image generation apparatus provides correction for color offsets. Color offsets may be caused by misalignments in laser diodes or optics assemblies in a laser projector. The offsets may be measured during or after manufacture of the laser projector. An image buffer is responsive t |
| 8165179 |
Closed loop laser control |
April 24, 2012 |
| The radiance of a laser is a function of drive current. The radiance is also a function of other factors, such as age and temperature. A laser projection device adjusts laser drive parameters using a gradient descent operation. The device parameters may be adjusted iteratively and pe |
| 8068115 |
Image generation with interpolation and distortion correction |
November 29, 2011 |
| An image generation apparatus provides interpolation and distortion correction. The interpolation and distortion correction may be provided in one or two dimensions. Nonlinear image scan trajectories, such as sinusoidal and bi-sinusoidal trajectories are accommodated. Horizontal and |
| 7986315 |
Integrated photonics module and devices using integrated photonics modules |
July 26, 2011 |
| An integrated photonics module includes at least one light source and a MEMS scanner coupled to and held in alignment by an optical frame configured for mounting to a host system. According to some embodiments, the integrated photonics module may include a plurality of light sources |
| 7978189 |
Integrated photonics module and devices using integrated photonics modules |
July 12, 2011 |
| An integrated photonics module includes at least one light source and a MEMS scanner coupled to and held in alignment by an optical frame configured for mounting to a host system. According to some embodiments, the integrated photonics module may include a plurality of light sources |
| 7956858 |
Integrated photonics module and devices using integrated photonics modules |
June 7, 2011 |
| An integrated photonics module includes at least one light source and a MEMS scanner coupled to and held in alignment by an optical frame configured for mounting to a host system. According to some embodiments, the integrated photonics module may include a plurality of light sources |
| 7952783 |
Scanning mirror control |
May 31, 2011 |
| A scanning beam projection system includes a scanning mirror having a fast-scan axis and a slow-scan axis. Movement on the slow-scan axis is controlled by a slow-scan scanning mirror control system. The control system receives position information describing angular displacement of t |
| 7834867 |
Integrated photonics module and devices using integrated photonics modules |
November 16, 2010 |
| An integrated photonics module includes at least one light source and a MEMS scanner coupled to and held in alignment by an optical frame configured for mounting to a host system. According to some embodiments, the integrated photonics module may include a plurality of light sources |
| 7822086 |
Laser projection temperature compensation |
October 26, 2010 |
| The temperature of a laser diode changes in response to video content across a line of a displayed image, and the radiance changes as a function of temperature. An adaptive model estimates the temperature of the laser diode based on prior drive current values. For each displayed pixe |
| 7724210 |
Scanned light display system using large numerical aperture light source, method of using same, |
May 25, 2010 |
| A scanned light display system includes a light source operable to emit light and a curved mirror positioned to receive at least a portion of the light. The curved mirror is configured to substantially collimate the received light. The substantially collimated light is scanned to form an |
| 7639209 |
Scanned light display system using large numerical aperture light source, method of using same, |
December 29, 2009 |
| A scanned light display system includes a light source operable to emit light and a curved mirror positioned to receive at least a portion of the light. The curved mirror is configured to substantially collimate the received light. The substantially collimated light is scanned to form an |
| 7486255 |
Scanned beam system and method using a plurality of display zones |
February 3, 2009 |
| A scan assembly includes an emitter array containing a plurality of optical emitters. Each optical emitter generates a corresponding image beam and the scan assembly scans the image beams in a plurality of overlapping display zones. The overlap of adjacent image display zones forms b |
