FR2148144B3 - - Google Patents
Info
- Publication number
- FR2148144B3 FR2148144B3 FR7227667A FR7227667A FR2148144B3 FR 2148144 B3 FR2148144 B3 FR 2148144B3 FR 7227667 A FR7227667 A FR 7227667A FR 7227667 A FR7227667 A FR 7227667A FR 2148144 B3 FR2148144 B3 FR 2148144B3
- Authority
- FR
- France
- 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
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
- G02F1/13—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 liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712138946 DE2138946B2 (de) | 1971-08-04 | 1971-08-04 | Modulatorschaltung zum erzielen einer steilen lichtstreuungskurve einer fluessigkristallzelle |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2148144A1 FR2148144A1 (fr) | 1973-03-11 |
FR2148144B3 true FR2148144B3 (fr) | 1975-09-12 |
Family
ID=5815711
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7227667A Expired FR2148144B3 (fr) | 1971-08-04 | 1972-08-01 |
Country Status (4)
Country | Link |
---|---|
AT (1) | AT322014B (fr) |
DE (1) | DE2138946B2 (fr) |
FR (1) | FR2148144B3 (fr) |
NL (1) | NL7210660A (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4655561A (en) * | 1983-04-19 | 1987-04-07 | Canon Kabushiki Kaisha | Method of driving optical modulation device using ferroelectric liquid crystal |
JPS6152630A (ja) * | 1984-08-22 | 1986-03-15 | Hitachi Ltd | 液晶素子の駆動方法 |
-
1971
- 1971-08-04 DE DE19712138946 patent/DE2138946B2/de active Pending
-
1972
- 1972-08-01 FR FR7227667A patent/FR2148144B3/fr not_active Expired
- 1972-08-02 AT AT668572A patent/AT322014B/de not_active IP Right Cessation
- 1972-08-03 NL NL7210660A patent/NL7210660A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
NL7210660A (fr) | 1973-02-06 |
DE2138946B2 (de) | 1973-06-20 |
FR2148144A1 (fr) | 1973-03-11 |
AT322014B (de) | 1975-04-25 |
DE2138946A1 (de) | 1973-02-15 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |