| |
 |
|
Class Information
Number: 349/197
Name: Liquid crystal cells, elements and systems > Liquid crystal optical element > Beam dividing switch formed from liquid crystal cell > Including passive liquid crystal switch portion
Description: Subject matter wherein at least a portion of the liquid crystal cell divides the incident light into two beams without application of a voltage.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7564504 |
Phase plate and an optical data recording/reproducing device |
Jul. 21, 2009 |
| 7298444 |
Reflection type liquid crystal display |
Nov. 20, 2007 |
| 7253873 |
Dynamic gain equalizer |
Aug. 7, 2007 |
| 6992749 |
Flat panel display and a method of fabrication thereof |
Jan. 31, 2006 |
| 6954252 |
Optical switch including two integrated multiphase SLM's and a wave-plate the wave-plate providing an optical retardance of (2n+1).lambda./4 |
Oct. 11, 2005 |
| 6950171 |
Liquid crystal color switch and method of manufacture |
Sep. 27, 2005 |
| 6876429 |
Flat panel display and a method of fabrication therefor |
Apr. 5, 2005 |
| 6870595 |
Optical filter device and method of making same |
Mar. 22, 2005 |
| 6859573 |
Double pass arrangement for a liquid crystal device |
Feb. 22, 2005 |
| 6834137 |
Cholesteric liquid crystal cell devices and systems |
Dec. 21, 2004 |
| 6680758 |
Flat panel display and a method of fabrication |
Jan. 20, 2004 |
| 6259494 |
Repairable thin film transistor matrix substrate having overlapping regions between auxiliary capacitance electrodes and drain bus |
Jul. 10, 2001 |
| 6134031 |
Polarization control optical space switch |
Oct. 17, 2000 |
| 6124920 |
Optical device and directional display |
Sep. 26, 2000 |
| 6091867 |
M input port by N output port optical switching system |
Jul. 18, 2000 |
| 5132822 |
Optical switch |
Jul. 21, 1992 |
| 5128061 |
Phenyl-pyrimidine liquid crystal materials |
Jul. 7, 1992 |
| 5058999 |
Liquid crystal device having distinguishing means |
Oct. 22, 1991 |
| 4954288 |
Side chain liquid crystalline polymers exhibiting nonlinear optical response |
Sep. 4, 1990 |
| 4948532 |
Side chain liquid crystalline polymers exhibiting nonlinear optical properties |
Aug. 14, 1990 |
| 4917452 |
Liquid crystal optical switching device |
Apr. 17, 1990 |
| 4913509 |
Fail-safe port for use with an optical fiber |
Apr. 3, 1990 |
| 4813769 |
Liquid crystal wave division device |
Mar. 21, 1989 |
| 4792212 |
Liquid crystal switching device |
Dec. 20, 1988 |
| 4790633 |
Liquid crystal switching apparatus |
Dec. 13, 1988 |
| 4784470 |
Optical switching device |
Nov. 15, 1988 |
| 4781426 |
Optical fiber collimator/switch including liquid crystal polarizing material |
Nov. 1, 1988 |
| 4779961 |
Polymers with pendant side chains exhibiting non-linear optical response |
Oct. 25, 1988 |
| 4768864 |
Liquid-crystal-based optical power limiter |
Sep. 6, 1988 |
| 4720171 |
Liquid crystal optical switching device having reduced crosstalk |
Jan. 19, 1988 |
| 4702557 |
Optical branching device using a liquid crystal |
Oct. 27, 1987 |
| 4278327 |
Liquid crystal matrices |
Jul. 14, 1981 |
|
|
|
