Issued Patents All Time
Showing 26–50 of 116 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6204900 | Microencapsulated liquid crystal and a method and system for using same | — | 2001-03-20 |
| 6184969 | Optical display system and method, active and passive dithering using birefringence, color image superpositioning and display enhancement | — | 2001-02-06 |
| 6151086 | Method and apparatus for controllably scattering light using birefringent liquid crystal | — | 2000-11-21 |
| 6147805 | Head mounted display and viewing system using a remote retro-reflector and method of displaying and viewing an image | — | 2000-11-14 |
| 6008945 | Display system using conjugate optics and accommodation features and method of displaying and viewing an image | — | 1999-12-28 |
| 5888603 | Stacked films birefringent device and method of making same | — | 1999-03-30 |
| 5808589 | Optical system for a head mounted display combining high and low resolution images | — | 1998-09-15 |
| 5717422 | Variable intensity high contrast passive display | — | 1998-02-10 |
| 5715029 | Optical dithering system using birefringence for optical displays and method | — | 1998-02-03 |
| 5629806 | Retro-reflector based private viewing system | — | 1997-05-13 |
| 5621572 | Optical system for a head mounted display using a retro-reflector and method of displaying an image | — | 1997-04-15 |
| 5606458 | Head mounted display and viewing system using a remote retro-reflector and method of displaying and viewing an image | — | 1997-02-25 |
| 5572363 | Retro-reflector based in-line viewing system | — | 1996-11-05 |
| 5572341 | Electro-optical dithering system using birefringence for optical displays and method | — | 1996-11-05 |
| 5541745 | Illumination system for a display using cholesteric liquid crystal reflectors | — | 1996-07-30 |
| 5537256 | Electronic dithering system using birefrigence for optical displays and method | — | 1996-07-16 |
| 5532854 | Folded variable birefringerence zeroth order hybrid aligned liquid crystal apparatus | — | 1996-07-02 |
| 5523863 | Controlled liquid crystal optical polarizer method and apparatus | — | 1996-06-04 |
| 5519524 | Active matrix liquid crystal having a counterelectrode substrate extended and connected to an external circuit | Arthur Berman | 1996-05-21 |
| 5515186 | Eye protection device for welding helmets which reduces obliquely incident light | Jeffrey K. Fergason, Arthur Berman, John D. Fergason | 1996-05-07 |
| 5486940 | Liquid crystal light polarizer and method | Arthur Berman, Stephen D. Jacobs | 1996-01-23 |
| 5479277 | Method of making a variable density light control apparatus by stretching an unsupported film | — | 1995-12-26 |
| 5414546 | Dynamic optical notch filter | — | 1995-05-09 |
| 5412500 | System for continuously rotating plane of polarized light and apparatus using the same | — | 1995-05-02 |
| 5345322 | Complementary color liquid crystal display | — | 1994-09-06 |