JPS52111742A - Light control device - Google Patents
Light control deviceInfo
- Publication number
- JPS52111742A JPS52111742A JP2852976A JP2852976A JPS52111742A JP S52111742 A JPS52111742 A JP S52111742A JP 2852976 A JP2852976 A JP 2852976A JP 2852976 A JP2852976 A JP 2852976A JP S52111742 A JPS52111742 A JP S52111742A
- Authority
- JP
- Japan
- Prior art keywords
- control device
- light control
- eleminating
- stability
- liquid crystal
- 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.)
- Pending
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
- G02F1/1313—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 specially adapted for a particular application
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
PURPOSE:To improve responsibility and stability, while eleminating a moving part, by using a liquid crystal as an optical filter of light variable type.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2852976A JPS52111742A (en) | 1976-03-15 | 1976-03-15 | Light control device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2852976A JPS52111742A (en) | 1976-03-15 | 1976-03-15 | Light control device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52111742A true JPS52111742A (en) | 1977-09-19 |
Family
ID=12251181
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2852976A Pending JPS52111742A (en) | 1976-03-15 | 1976-03-15 | Light control device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52111742A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5647021A (en) * | 1979-09-27 | 1981-04-28 | Seiko Epson Corp | Diaphragm device of electronic camera using liquid crystal panel |
JPS5678818A (en) * | 1979-12-03 | 1981-06-29 | Canon Inc | Physical property stopping device |
JPS6055927A (en) * | 1983-09-03 | 1985-04-01 | キヤノン株式会社 | Ophthalmic photographing apparatus |
JPS62135751A (en) * | 1985-12-10 | 1987-06-18 | Toshiba Corp | Surface inspection device |
JPS6390743U (en) * | 1986-11-28 | 1988-06-13 | ||
JPH04128619A (en) * | 1990-09-19 | 1992-04-30 | Suga Shikenki Kk | Radiation-illumino-meter |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4943548U (en) * | 1972-07-27 | 1974-04-17 | ||
JPS5091342A (en) * | 1973-12-12 | 1975-07-22 | ||
JPS5241544A (en) * | 1975-09-29 | 1977-03-31 | Yokogawa Hokushin Electric Corp | Liquid crystal type regulator for light volume |
-
1976
- 1976-03-15 JP JP2852976A patent/JPS52111742A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4943548U (en) * | 1972-07-27 | 1974-04-17 | ||
JPS5091342A (en) * | 1973-12-12 | 1975-07-22 | ||
JPS5241544A (en) * | 1975-09-29 | 1977-03-31 | Yokogawa Hokushin Electric Corp | Liquid crystal type regulator for light volume |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5647021A (en) * | 1979-09-27 | 1981-04-28 | Seiko Epson Corp | Diaphragm device of electronic camera using liquid crystal panel |
JPS5678818A (en) * | 1979-12-03 | 1981-06-29 | Canon Inc | Physical property stopping device |
JPS6055927A (en) * | 1983-09-03 | 1985-04-01 | キヤノン株式会社 | Ophthalmic photographing apparatus |
JPS62135751A (en) * | 1985-12-10 | 1987-06-18 | Toshiba Corp | Surface inspection device |
JPS6390743U (en) * | 1986-11-28 | 1988-06-13 | ||
JPH04128619A (en) * | 1990-09-19 | 1992-04-30 | Suga Shikenki Kk | Radiation-illumino-meter |
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