JPS5729026A - Photographing lens device - Google Patents
Photographing lens deviceInfo
- Publication number
- JPS5729026A JPS5729026A JP10394580A JP10394580A JPS5729026A JP S5729026 A JPS5729026 A JP S5729026A JP 10394580 A JP10394580 A JP 10394580A JP 10394580 A JP10394580 A JP 10394580A JP S5729026 A JPS5729026 A JP S5729026A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- crystal plates
- stop
- lens device
- device utilizing
- 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)
- Liquid Crystal (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Diaphragms For Cameras (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10394580A JPS5729026A (en) | 1980-07-28 | 1980-07-28 | Photographing lens device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10394580A JPS5729026A (en) | 1980-07-28 | 1980-07-28 | Photographing lens device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5729026A true JPS5729026A (en) | 1982-02-16 |
Family
ID=14367571
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10394580A Pending JPS5729026A (en) | 1980-07-28 | 1980-07-28 | Photographing lens device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5729026A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61109029A (ja) * | 1984-11-01 | 1986-05-27 | Ricoh Co Ltd | 光量絞り装置 |
US5557449A (en) * | 1993-04-27 | 1996-09-17 | Ricoh Company, Ltd. | Laser beam scanning apparatus for controlling diameter of light spot |
-
1980
- 1980-07-28 JP JP10394580A patent/JPS5729026A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61109029A (ja) * | 1984-11-01 | 1986-05-27 | Ricoh Co Ltd | 光量絞り装置 |
US5557449A (en) * | 1993-04-27 | 1996-09-17 | Ricoh Company, Ltd. | Laser beam scanning apparatus for controlling diameter of light spot |
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