JPS6221948Y2 - - Google Patents
Info
- Publication number
- JPS6221948Y2 JPS6221948Y2 JP1981073781U JP7378181U JPS6221948Y2 JP S6221948 Y2 JPS6221948 Y2 JP S6221948Y2 JP 1981073781 U JP1981073781 U JP 1981073781U JP 7378181 U JP7378181 U JP 7378181U JP S6221948 Y2 JPS6221948 Y2 JP S6221948Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- sensor
- optical fibers
- liquid level
- optical
- 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.)
- Expired
Links
- 239000013307 optical fiber Substances 0.000 claims description 35
- 239000007788 liquid Substances 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 18
- 230000003287 optical effect Effects 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 238000005253 cladding Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 2
- 239000005304 optical glass Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1981073781U JPS6221948Y2 (de) | 1981-05-21 | 1981-05-21 | |
US06/378,715 US4468567A (en) | 1981-05-21 | 1982-05-17 | Liquid level detecting device and method for producing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1981073781U JPS6221948Y2 (de) | 1981-05-21 | 1981-05-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57185935U JPS57185935U (de) | 1982-11-25 |
JPS6221948Y2 true JPS6221948Y2 (de) | 1987-06-04 |
Family
ID=29869547
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1981073781U Expired JPS6221948Y2 (de) | 1981-05-21 | 1981-05-21 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6221948Y2 (de) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55134321A (en) * | 1979-04-06 | 1980-10-20 | Toshiba Corp | Liquid level detector |
-
1981
- 1981-05-21 JP JP1981073781U patent/JPS6221948Y2/ja not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55134321A (en) * | 1979-04-06 | 1980-10-20 | Toshiba Corp | Liquid level detector |
Also Published As
Publication number | Publication date |
---|---|
JPS57185935U (de) | 1982-11-25 |
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