JPS6466614A - Optical controller - Google Patents
Optical controllerInfo
- Publication number
- JPS6466614A JPS6466614A JP22461287A JP22461287A JPS6466614A JP S6466614 A JPS6466614 A JP S6466614A JP 22461287 A JP22461287 A JP 22461287A JP 22461287 A JP22461287 A JP 22461287A JP S6466614 A JPS6466614 A JP S6466614A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- container
- light beam
- fluid
- switch
- 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
Landscapes
- Mechanical Light Control Or Optical Switches (AREA)
Abstract
PURPOSE:To miniaturize a shape, and also, to simplify a structure, by magnetizing a magnetic pole plate by a line of magnetic force generated by an electric conduction of a current path, and executing a transmission control of light by attracting a magnetic fluid. CONSTITUTION:When a light beam 7 is projected to the center part of a container 1, when a switch is opened, the light beam 7 is scattered and attracted by a magnetic fluid 2 and does not transmit through the container 1. On the other hand, when the switch 5 is closed, a current flows to current paths 3,4 a line of magnetic force 9 is generated in the periphery of the current paths 3,4 and magnetic pole plates 6,6 are magnetized so as to become different magnetic poles, and attract fluid 2. As result, the density of the magnetic fluid 2 of the center part of the container 1 becomes low, and the light beam transmits through the container 1 and emitted.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22461287A JPS6466614A (en) | 1987-09-08 | 1987-09-08 | Optical controller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22461287A JPS6466614A (en) | 1987-09-08 | 1987-09-08 | Optical controller |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6466614A true JPS6466614A (en) | 1989-03-13 |
Family
ID=16816449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP22461287A Pending JPS6466614A (en) | 1987-09-08 | 1987-09-08 | Optical controller |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6466614A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018155524A (en) * | 2017-03-16 | 2018-10-04 | セイコーインスツル株式会社 | Display device, timepiece, and electronic device |
-
1987
- 1987-09-08 JP JP22461287A patent/JPS6466614A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018155524A (en) * | 2017-03-16 | 2018-10-04 | セイコーインスツル株式会社 | Display device, timepiece, and electronic device |
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