DE3888293D1 - Optische schalter. - Google Patents
Optische schalter.Info
- Publication number
- DE3888293D1 DE3888293D1 DE88904598T DE3888293T DE3888293D1 DE 3888293 D1 DE3888293 D1 DE 3888293D1 DE 88904598 T DE88904598 T DE 88904598T DE 3888293 T DE3888293 T DE 3888293T DE 3888293 D1 DE3888293 D1 DE 3888293D1
- Authority
- DE
- Germany
- Prior art keywords
- optical switches
- switches
- optical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
- G02F1/31—Digital deflection, i.e. optical switching
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB878713043A GB8713043D0 (en) | 1987-06-03 | 1987-06-03 | Optical switch |
PCT/GB1988/000438 WO1988009951A1 (en) | 1987-06-03 | 1988-06-03 | An optical switch |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3888293D1 true DE3888293D1 (de) | 1994-04-14 |
DE3888293T2 DE3888293T2 (de) | 1994-06-09 |
Family
ID=10618337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3888293T Expired - Fee Related DE3888293T2 (de) | 1987-06-03 | 1988-06-03 | Optische schalter. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4969717A (de) |
EP (1) | EP0317598B1 (de) |
JP (1) | JPH0727146B2 (de) |
AU (1) | AU602096B2 (de) |
CA (1) | CA1311549C (de) |
DE (1) | DE3888293T2 (de) |
GB (1) | GB8713043D0 (de) |
WO (1) | WO1988009951A1 (de) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0307244A1 (de) * | 1987-09-11 | 1989-03-15 | BRITISH TELECOMMUNICATIONS public limited company | Räumlicher optischer Schalter |
JPH0348828A (ja) * | 1989-07-17 | 1991-03-01 | Nippon Telegr & Teleph Corp <Ntt> | 多ポート光スイッチ |
US5430561A (en) * | 1991-07-17 | 1995-07-04 | Fujitsu Limited | Optical space switch employing 2 parallel diffraction gratings and a polarization rotating element |
JPH05232384A (ja) * | 1992-02-18 | 1993-09-10 | Olympus Optical Co Ltd | 干渉顕微鏡 |
US5400418A (en) * | 1992-12-04 | 1995-03-21 | Williams Telecommunication Group, Inc. | Polarization independent all-fiber optical circulator |
US5319483A (en) * | 1992-12-04 | 1994-06-07 | Williams Telecommunications Group, Inc. | Polarization independent low cross-talk optical circulator |
US5572341A (en) * | 1994-10-25 | 1996-11-05 | Fergason; James L. | Electro-optical dithering system using birefringence for optical displays and method |
US6184969B1 (en) * | 1994-10-25 | 2001-02-06 | James L. Fergason | Optical display system and method, active and passive dithering using birefringence, color image superpositioning and display enhancement |
US5715029A (en) * | 1994-10-25 | 1998-02-03 | Fergason; James L. | Optical dithering system using birefringence for optical displays and method |
US5537256A (en) * | 1994-10-25 | 1996-07-16 | Fergason; James L. | Electronic dithering system using birefrigence for optical displays and method |
US6243055B1 (en) | 1994-10-25 | 2001-06-05 | James L. Fergason | Optical display system and method with optical shifting of pixel position including conversion of pixel layout to form delta to stripe pattern by time base multiplexing |
US5930028A (en) * | 1998-05-21 | 1999-07-27 | Lucent Technologies Inc. | Split reciprocal polarization switch |
US6505037B1 (en) * | 1999-06-29 | 2003-01-07 | Sharp Laboratories Of America, Inc. | Data unit detection including antenna diversity |
AU3071401A (en) | 1999-09-15 | 2001-04-30 | Spectraswitch, Inc. | Birefringent optical device |
US6735016B1 (en) * | 1999-09-15 | 2004-05-11 | Spectraswitch, Inc. | Electro-optically controllable polarization insensitive optical device |
US7116370B1 (en) | 2000-03-31 | 2006-10-03 | Sharp Laboratories Of Ameria, Inc. | Image processing system optical shifting mechanism |
US7064740B2 (en) | 2001-11-09 | 2006-06-20 | Sharp Laboratories Of America, Inc. | Backlit display with improved dynamic range |
US6853762B1 (en) * | 2002-05-24 | 2005-02-08 | Cypress Semiconductor Corporation | Optical switch cascading system and method with variable incidence angle correction |
US8243004B2 (en) | 2003-03-10 | 2012-08-14 | Fergason Patent Properties, Llc | Apparatus and method for preparing, storing, transmitting and displaying images |
US7623105B2 (en) | 2003-11-21 | 2009-11-24 | Sharp Laboratories Of America, Inc. | Liquid crystal display with adaptive color |
CN1890989B (zh) | 2003-12-18 | 2012-08-08 | 夏普株式会社 | 液晶显示器的动态伽马 |
US8395577B2 (en) | 2004-05-04 | 2013-03-12 | Sharp Laboratories Of America, Inc. | Liquid crystal display with illumination control |
US7505018B2 (en) | 2004-05-04 | 2009-03-17 | Sharp Laboratories Of America, Inc. | Liquid crystal display with reduced black level insertion |
US7872631B2 (en) | 2004-05-04 | 2011-01-18 | Sharp Laboratories Of America, Inc. | Liquid crystal display with temporal black point |
US7612757B2 (en) | 2004-05-04 | 2009-11-03 | Sharp Laboratories Of America, Inc. | Liquid crystal display with modulated black point |
US7777714B2 (en) | 2004-05-04 | 2010-08-17 | Sharp Laboratories Of America, Inc. | Liquid crystal display with adaptive width |
US7532192B2 (en) | 2004-05-04 | 2009-05-12 | Sharp Laboratories Of America, Inc. | Liquid crystal display with filtered black point |
US7023451B2 (en) | 2004-06-14 | 2006-04-04 | Sharp Laboratories Of America, Inc. | System for reducing crosstalk |
US7556836B2 (en) | 2004-09-03 | 2009-07-07 | Solae, Llc | High protein snack product |
US7898519B2 (en) | 2005-02-17 | 2011-03-01 | Sharp Laboratories Of America, Inc. | Method for overdriving a backlit display |
US7525528B2 (en) | 2004-11-16 | 2009-04-28 | Sharp Laboratories Of America, Inc. | Technique that preserves specular highlights |
US8050512B2 (en) | 2004-11-16 | 2011-11-01 | Sharp Laboratories Of America, Inc. | High dynamic range images from low dynamic range images |
US8050511B2 (en) | 2004-11-16 | 2011-11-01 | Sharp Laboratories Of America, Inc. | High dynamic range images from low dynamic range images |
US8121401B2 (en) | 2006-01-24 | 2012-02-21 | Sharp Labortories of America, Inc. | Method for reducing enhancement of artifacts and noise in image color enhancement |
US9143657B2 (en) | 2006-01-24 | 2015-09-22 | Sharp Laboratories Of America, Inc. | Color enhancement technique using skin color detection |
US8941580B2 (en) | 2006-11-30 | 2015-01-27 | Sharp Laboratories Of America, Inc. | Liquid crystal display with area adaptive backlight |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3540795A (en) * | 1969-01-15 | 1970-11-17 | Ibm | Achromatic compensation apparatus using polarization rotation and birefringent elements |
US3719414A (en) * | 1970-08-28 | 1973-03-06 | Westinghouse Electric Corp | Polarization independent light modulation means using birefringent crystals |
US4129357A (en) * | 1977-08-11 | 1978-12-12 | Nasa | Partial polarizer filter |
US4461543A (en) * | 1982-03-26 | 1984-07-24 | Sperry Corporation | Electro optic switch |
US4575193A (en) * | 1984-04-06 | 1986-03-11 | Eastman Kodak Company | Optical spatial frequency filter |
-
1987
- 1987-06-03 GB GB878713043A patent/GB8713043D0/en active Pending
-
1988
- 1988-06-03 EP EP88904598A patent/EP0317598B1/de not_active Expired - Lifetime
- 1988-06-03 DE DE3888293T patent/DE3888293T2/de not_active Expired - Fee Related
- 1988-06-03 WO PCT/GB1988/000438 patent/WO1988009951A1/en active IP Right Grant
- 1988-06-03 US US07/303,662 patent/US4969717A/en not_active Expired - Lifetime
- 1988-06-03 AU AU17917/88A patent/AU602096B2/en not_active Ceased
- 1988-06-03 JP JP63504501A patent/JPH0727146B2/ja not_active Expired - Lifetime
- 1988-06-03 CA CA000568585A patent/CA1311549C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE3888293T2 (de) | 1994-06-09 |
AU1791788A (en) | 1989-01-04 |
GB8713043D0 (en) | 1987-07-08 |
JPH0727146B2 (ja) | 1995-03-29 |
EP0317598B1 (de) | 1994-03-09 |
EP0317598A1 (de) | 1989-05-31 |
CA1311549C (en) | 1992-12-15 |
AU602096B2 (en) | 1990-09-27 |
JPH02501094A (ja) | 1990-04-12 |
WO1988009951A1 (en) | 1988-12-15 |
US4969717A (en) | 1990-11-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |