JPS5425111A - Lighting optical apparatus - Google Patents
Lighting optical apparatusInfo
- Publication number
- JPS5425111A JPS5425111A JP8973877A JP8973877A JPS5425111A JP S5425111 A JPS5425111 A JP S5425111A JP 8973877 A JP8973877 A JP 8973877A JP 8973877 A JP8973877 A JP 8973877A JP S5425111 A JPS5425111 A JP S5425111A
- Authority
- JP
- Japan
- Prior art keywords
- optical apparatus
- lighting optical
- diffusing
- encircling
- filament
- 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
- 230000003287 optical effect Effects 0.000 title 1
- 238000005286 illumination Methods 0.000 abstract 2
Landscapes
- Facsimile Scanning Arrangements (AREA)
Abstract
PURPOSE: To prevent lighting unevenness, and to enable the constant-line focusing illumination regardless of the shape of a filament by encircling the circumference of an illumination lamp with a diffusing materials and by providing a reflective surface to one part of the diffusing material.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8973877A JPS5425111A (en) | 1977-07-28 | 1977-07-28 | Lighting optical apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8973877A JPS5425111A (en) | 1977-07-28 | 1977-07-28 | Lighting optical apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5425111A true JPS5425111A (en) | 1979-02-24 |
Family
ID=13979096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8973877A Pending JPS5425111A (en) | 1977-07-28 | 1977-07-28 | Lighting optical apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5425111A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61257164A (en) * | 1985-05-11 | 1986-11-14 | Takeshita Sangyo Kk | Apparatus for producing laver |
-
1977
- 1977-07-28 JP JP8973877A patent/JPS5425111A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61257164A (en) * | 1985-05-11 | 1986-11-14 | Takeshita Sangyo Kk | Apparatus for producing laver |
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