JPS55106341A - Dust-proof sensor - Google Patents
Dust-proof sensorInfo
- Publication number
- JPS55106341A JPS55106341A JP1336579A JP1336579A JPS55106341A JP S55106341 A JPS55106341 A JP S55106341A JP 1336579 A JP1336579 A JP 1336579A JP 1336579 A JP1336579 A JP 1336579A JP S55106341 A JPS55106341 A JP S55106341A
- Authority
- JP
- Japan
- Prior art keywords
- dust
- substance
- block
- proof
- sensor
- 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
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Optical Transform (AREA)
- Optical Measuring Cells (AREA)
Abstract
PURPOSE:To ensure the complete cleaning for the transparent substance by mounting detatchably the dust-proof transparent substance between the block containing the illuminant and the block containing the light receiving substance, thus preventing the sensor malfunction due to attachment of the dust. CONSTITUTION:The reflection-type dust-proof sensor is formed by two blocks: block 10 containing illuminant 1 and block 11 including light receiving substance 2, condenser lens 3 and mirror 9 each. And slide groove 12 is formed at the unified part of these two blocks, and then dust-proof transparent substance 7 is slided into groove 12. Thus substance 7 can be attached and detacted easily to ensure the complete cleaning. As a result, the malfunction due to attachement of the dust can be prevented.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1336579A JPS55106341A (en) | 1979-02-09 | 1979-02-09 | Dust-proof sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1336579A JPS55106341A (en) | 1979-02-09 | 1979-02-09 | Dust-proof sensor |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2378186A Division JPS61240219A (en) | 1986-02-07 | 1986-02-07 | Dust-proof sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS55106341A true JPS55106341A (en) | 1980-08-15 |
Family
ID=11831063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1336579A Pending JPS55106341A (en) | 1979-02-09 | 1979-02-09 | Dust-proof sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55106341A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6083672U (en) * | 1983-11-16 | 1985-06-10 | 株式会社ソフィア | Photoelectric passing ball detector for pachinko machines |
| JPS60163416U (en) * | 1984-04-05 | 1985-10-30 | オリンパス光学工業株式会社 | Light source device for endoscope |
| JPS60173902U (en) * | 1984-04-26 | 1985-11-18 | 株式会社 アマダ | lens protector |
| JPS61240219A (en) * | 1986-02-07 | 1986-10-25 | Hitachi Ltd | Dust-proof sensor |
-
1979
- 1979-02-09 JP JP1336579A patent/JPS55106341A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6083672U (en) * | 1983-11-16 | 1985-06-10 | 株式会社ソフィア | Photoelectric passing ball detector for pachinko machines |
| JPH0335355Y2 (en) * | 1983-11-16 | 1991-07-26 | ||
| JPS60163416U (en) * | 1984-04-05 | 1985-10-30 | オリンパス光学工業株式会社 | Light source device for endoscope |
| JPH0355945Y2 (en) * | 1984-04-05 | 1991-12-13 | ||
| JPS60173902U (en) * | 1984-04-26 | 1985-11-18 | 株式会社 アマダ | lens protector |
| JPS61240219A (en) * | 1986-02-07 | 1986-10-25 | Hitachi Ltd | Dust-proof sensor |
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