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Class Information
Number: 349/17
Name: Liquid crystal cells, elements and systems > Liquid crystal system > Computational system employing liquid crystal element (neural network, correlation device, optical computer)
Description: Subject matter wherein liquid crystal cells are utilized to optically perform basic or more complex mathematical processes such as comparing, adding, subtracting, correlating, adaptive algorithms or neural network type algorithms.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7561767 |
Liquid crystal waveguide having refractive shapes for dynamically controlling light |
Jul. 14, 2009 |
| 7417628 |
Liquid crystal display apparatus |
Aug. 26, 2008 |
| 7382512 |
Resistivity phase change material |
Jun. 3, 2008 |
| 7345669 |
Photometric device of liquid crystal display and liquid crystal display |
Mar. 18, 2008 |
| 7309132 |
Modular keypad assembly |
Dec. 18, 2007 |
| 7058252 |
Optical switching apparatus |
Jun. 6, 2006 |
| 7021775 |
Modular keypad assembly |
Apr. 4, 2006 |
| 6831708 |
Image display apparatus |
Dec. 14, 2004 |
| 6819335 |
Number-of-gradation-levels decreasing method, image displaying method, and image display |
Nov. 16, 2004 |
| 6762882 |
System and method for use of dark field fourier diaphragm in multi-frequency imaging |
Jul. 13, 2004 |
| 6680797 |
Spatial light modulators for full cross-connections in optical networks |
Jan. 20, 2004 |
| 6661495 |
Pancake window display system employing one or more switchable holographic optical elements |
Dec. 9, 2003 |
| 6654156 |
Image display system |
Nov. 25, 2003 |
| 6529254 |
Optical element and method for manufacturing the same, and optical apparatus and method for manufacturing the same |
Mar. 4, 2003 |
| 6525879 |
Optical filtering apparatus and method |
Feb. 25, 2003 |
| 6515717 |
Computer-based system for producing multi-color multilayer images on substrates using dry multi-colored cholesteric liquid crystal (CLC) pigment materials applied to binder material patterns |
Feb. 4, 2003 |
| 6348990 |
Spatial light modulator and spatial light modulating method |
Feb. 19, 2002 |
| 6252570 |
Polarized three-demensional video display |
Jun. 26, 2001 |
| 6191829 |
Optical apparatus for optically rotating a portion of a polarization axis of a linearly polarized light |
Feb. 20, 2001 |
| 6185548 |
Neural network methods to predict enzyme inhibitor or receptor ligand potency |
Feb. 6, 2001 |
| 6011643 |
Device with a laser for image presentation |
Jan. 4, 2000 |
| 5978053 |
Characterization of collimation and beam alignment |
Nov. 2, 1999 |
| 5963291 |
Optical attenuator using polarization modulation and a feedback controller |
Oct. 5, 1999 |
| 5847788 |
Optical information processor |
Dec. 8, 1998 |
| 5841489 |
Phase-only optically-addressed type spatial light modulator |
Nov. 24, 1998 |
| 5798864 |
Projection type image display apparatus |
Aug. 25, 1998 |
| 5663832 |
Device for and method of real-time simulation of atmospheric effects on an image |
Sep. 2, 1997 |
| 5623352 |
Ferroelectric liquid crystal spatial light modulator with two threshold characteristics |
Apr. 22, 1997 |
| 5515189 |
Neural network device and image recognition method employing photoconductive liquid crystal device with patterned electrode |
May. 7, 1996 |
| 5444651 |
Non-volatile memory device |
Aug. 22, 1995 |
| 5420709 |
Liquid crystal spatial light modulator for edge detection employing diffusion in the photoconductive layer to enlarge image |
May. 30, 1995 |
| 5416620 |
Pockels cell with AC driving voltage at frequency of periodic variation of writing light source |
May. 16, 1995 |
| 5416618 |
Full complex modulation using two one-parameter spatial light modulators |
May. 16, 1995 |
| 5383042 |
3 layer liquid crystal neural network with output layer displaying error value for optical weight updating |
Jan. 17, 1995 |
| 5364668 |
Spatial light modulator and a neural network circuit |
Nov. 15, 1994 |
| 5327274 |
Optical calculating apparatus |
Jul. 5, 1994 |
| 5321536 |
Liquid crystal operation device and an image system using the same |
Jun. 14, 1994 |
| 5287431 |
Neural network using liquid crystal for threshold and amplifiers for weights |
Feb. 15, 1994 |
| 5268679 |
Optical data processing device |
Dec. 7, 1993 |
| 5263096 |
Opto-electronic morphological processor |
Nov. 16, 1993 |
| 5227902 |
Spatial light modulator with a photoconductor on each side of a light modulation layer |
Jul. 13, 1993 |
| 5220445 |
Optical image processor |
Jun. 15, 1993 |
| 5189500 |
Multi-layer type semiconductor device with semiconductor element layers stacked in opposite directions and manufacturing method thereof |
Feb. 23, 1993 |
| 5168382 |
Optically addressed liquid crystal light valve and optical logic device using the same |
Dec. 1, 1992 |
| 5132811 |
Holographic operating optical apparatus |
Jul. 21, 1992 |
| 5113282 |
Dual light valve system with selective decoupling of light valves |
May. 12, 1992 |
| 5107351 |
Image enhanced optical correlator system |
Apr. 21, 1992 |
| 5076662 |
Electro-optical IFS finder |
Dec. 31, 1991 |
| 5071231 |
Bidirectional spatial light modulator for neural network computers |
Dec. 10, 1991 |
| 5056897 |
Spatial light modulating element and neural network circuit |
Oct. 15, 1991 |
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