F. POSZAT HU, LLC Patent applications |
Patent application number | Title | Published |
20120069412 | HOLOGRAPHIC IMAGING SYSTEMS - A holographic imaging system includes an electrical addressable spatial light modulator (EASLM) and an optically addressable spatial light modulator (OASLM). A read light is configured to illuminate the OASLM, and a controller is configured to address the EASLM with both positive and negative sub-images and transmit the positive and negative sub-images to the OASLM. The controller is further configured to address the OASLM with an operating voltage, wherein the read light generates a holographic image comprised of diffraction patterns from the positive and negative sub-images. | 03-22-2012 |
20100271678 | COMPUTER GENERATED HOLOGRAM - A three dimensional display apparatus includes a diffraction panel for displaying a computer generated hologram and a look-up table. The look-up table includes a plurality of phase entries corresponding to a plurality of image points within a three dimensional image replay volume of the computer generated hologram. The apparatus further includes one or more processors configured to notionally divide the computer generated hologram into one or more hogels and to calculate diffraction fringe information for at least one of the hogels based on a selection of the phase entries. | 10-28-2010 |
20100271677 | IMAGE TRANSFER APPARATUS - An apparatus includes a light source configured to provide a path of light and a spatial light modulator located in the path of light and configured to modulate the light source. Relay optics are configured to receive the modulated light from the spatial light modulator and to project a computer generated image to a nominal image plane. The light source is configured to illuminate the spatial light modulator with collimated light. | 10-28-2010 |
20090122266 | IMAGE PROJECTION DEVICE AND METHOD - A device for producing a two dimensional image includes means for generating coherent light, and means for directing light received from the means for generating coherent light to a plurality of electrically addressable spatial light modulators (EASLM). The device includes means for diffracting the light, wherein the light is simultaneously diffracted by the plurality of EASLM, and means for displaying the two dimensional image. The device further includes means for directing the diffracted light to the means for displaying the two dimensional image, wherein a frame rate of each of the plurality of EASLM is greater than a frame rate of the two dimensional image produced at the means for displaying the two dimensional image. | 05-14-2009 |
20080278780 | HOLOGRAPHIC IMAGING SYSTEMS - A holographic imaging system includes an electrical addressable spatial light modulator (EASLM) and an optically addressable spatial light modulator (OASLM). A read light is configured to illuminate the OASLM, and a controller is configured to address the EASLM with both positive and negative sub-images and transmit the positive and negative sub-images to the OASLM. The controller is further configured to address the OASLM with an operating voltage, wherein the read light generates a holographic image comprised of diffraction patterns from the positive and negative sub-images. | 11-13-2008 |
20080247013 | IMAGE TRANSFER APPARATUS - An apparatus includes a light source configured to provide a path of light and a spatial light modulator located in the path of light and configured to modulate the light source. Relay optics are configured to receive the modulated light from the spatial light modulator and to project a computer generated image to a nominal image plane. The light source is configured to illuminate the spatial light modulator with collimated light. | 10-09-2008 |
20080211836 | DRIVE SYSTEM FOR AN OPTICALLY ADDRESSED SPATIAL LIGHT MODULATOR - A system includes a driving apparatus configured to operate on an optically addressed spatial light modulator (OASLM) including a modulation layer notionally divided into a plurality of separately addressable segments. A pulse generator is configured to provide one or more voltage patterns and an optical pattern generator configured to provide one or more optical patterns of light. For each segment of the OASLM, the driving apparatus is further configured to write, over a predetermined number of write operations, a predetermined amount of light associated with the one or more optical patterns. The driving apparatus is configured to apply a reset pulse associated with the one or more voltage patterns, such that a resulting net charge on the modulation layer is zero. | 09-04-2008 |
20080204853 | SPATIAL LIGHT MODULATOR - A spatial light modulator system includes an optically addressable spatial light modulator (OASLM) and an electrical addressable spatial light modulator (EASLM) arranged to transmit light onto the OASLM. A first controller is configured to address the EASLM with both a positive image and a negative image. A second controller is configured to apply a first bipolar voltage pulse to the OASLM associated with reception of the positive image and apply a second bipolar voltage pulse to the OASLM associated with reception of the negative image. | 08-28-2008 |