NL6904863A - - Google Patents
Info
- Publication number
- NL6904863A NL6904863A NL6904863A NL6904863A NL6904863A NL 6904863 A NL6904863 A NL 6904863A NL 6904863 A NL6904863 A NL 6904863A NL 6904863 A NL6904863 A NL 6904863A NL 6904863 A NL6904863 A NL 6904863A
- Authority
- NL
- Netherlands
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
- G02F1/01—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 intensity, phase, polarisation or colour
- G02F1/03—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 intensity, phase, polarisation or colour based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
- G02F1/05—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 intensity, phase, polarisation or colour based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect with ferro-electric properties
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
- H01G7/02—Electrets, i.e. having a permanently-polarised dielectric
- H01G7/025—Electrets, i.e. having a permanently-polarised dielectric having an inorganic dielectric
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Nonlinear Science (AREA)
- Power Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Ceramic Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Inorganic Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2081468 | 1968-03-30 | ||
JP6558268 | 1968-09-13 | ||
JP7247668 | 1968-10-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
NL6904863A true NL6904863A (nl) | 1969-10-02 |
NL149292B NL149292B (nl) | 1976-04-15 |
Family
ID=27283176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL696904863A NL149292B (nl) | 1968-03-30 | 1969-03-28 | Werkwijze voor kleurmodulatie onder toepassing van een ferro-elektrisch kristal, alsmede kleurmodulator, geschikt voor het toepassen van deze werkwijze. |
Country Status (4)
Country | Link |
---|---|
US (1) | US3813144A (nl) |
FR (1) | FR2005177A1 (nl) |
GB (1) | GB1270811A (nl) |
NL (1) | NL149292B (nl) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4027949A (en) * | 1971-06-08 | 1977-06-07 | Redifon Limited | Optical systems |
DE2329618A1 (de) * | 1973-06-09 | 1975-01-02 | Fraunhofer Ges Forschung | Anordnung zur vielfarbigen anzeige, bestehend aus lichtquelle und linearpolarisationsfilter |
GB1469638A (en) * | 1973-07-18 | 1977-04-06 | Secr Defence | Liquid crystal display device |
US4630040A (en) * | 1983-03-31 | 1986-12-16 | Motorola, Inc. | Variable color electrooptic display |
US7310179B2 (en) * | 2004-09-27 | 2007-12-18 | Idc, Llc | Method and device for selective adjustment of hysteresis window |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2493200A (en) * | 1946-05-31 | 1950-01-03 | Polaroid Corp | Variable polarizing color filter |
NL212435A (nl) * | 1955-12-07 | |||
US3437432A (en) * | 1966-07-21 | 1969-04-08 | Du Pont | Single crystals |
US3501219A (en) * | 1966-09-08 | 1970-03-17 | Texas Instruments Inc | Color control for dynamic displays |
US3374473A (en) * | 1967-04-12 | 1968-03-19 | Stewart E. Cummins | Bistable optically read ferroelectric memory device |
US3559185A (en) * | 1968-08-07 | 1971-01-26 | Ibm | Optical switch |
-
1969
- 1969-03-27 GB GB06217/69A patent/GB1270811A/en not_active Expired
- 1969-03-28 FR FR6909400A patent/FR2005177A1/fr not_active Withdrawn
- 1969-03-28 NL NL696904863A patent/NL149292B/nl not_active IP Right Cessation
-
1972
- 1972-04-04 US US00241073A patent/US3813144A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB1270811A (en) | 1972-04-19 |
DE1916248A1 (de) | 1969-10-30 |
NL149292B (nl) | 1976-04-15 |
DE1916248B2 (de) | 1977-04-14 |
US3813144A (en) | 1974-05-28 |
FR2005177A1 (nl) | 1969-12-05 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
V1 | Lapsed because of non-payment of the annual fee | ||
NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: HITACHI |