JPH0140948B2 - - Google Patents
Info
- Publication number
- JPH0140948B2 JPH0140948B2 JP57022583A JP2258382A JPH0140948B2 JP H0140948 B2 JPH0140948 B2 JP H0140948B2 JP 57022583 A JP57022583 A JP 57022583A JP 2258382 A JP2258382 A JP 2258382A JP H0140948 B2 JPH0140948 B2 JP H0140948B2
- Authority
- JP
- Japan
- Prior art keywords
- measured
- output
- light
- optical
- divider
- 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
- 230000003287 optical effect Effects 0.000 claims description 45
- 238000000691 measurement method Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 description 22
- 239000013307 optical fiber Substances 0.000 description 13
- 238000006243 chemical reaction Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 9
- 230000001360 synchronised effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 4
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/59—Transmissivity
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)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2258382A JPS58140624A (ja) | 1982-02-17 | 1982-02-17 | 光損失変動量測定方式 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2258382A JPS58140624A (ja) | 1982-02-17 | 1982-02-17 | 光損失変動量測定方式 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58140624A JPS58140624A (ja) | 1983-08-20 |
JPH0140948B2 true JPH0140948B2 (ru) | 1989-09-01 |
Family
ID=12086870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2258382A Granted JPS58140624A (ja) | 1982-02-17 | 1982-02-17 | 光損失変動量測定方式 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58140624A (ru) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3851610B2 (ja) | 2000-06-30 | 2006-11-29 | 富士通株式会社 | 伝送路損失試験方法、並びに、該方法を用いる従局、主局及び通信システム |
JP4112882B2 (ja) * | 2001-07-19 | 2008-07-02 | 株式会社日立メディコ | 生体光計測装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3730627A (en) * | 1971-09-22 | 1973-05-01 | Damon Corp | Signal processor |
JPS5126080A (ru) * | 1974-08-27 | 1976-03-03 | Sharp Kk |
-
1982
- 1982-02-17 JP JP2258382A patent/JPS58140624A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3730627A (en) * | 1971-09-22 | 1973-05-01 | Damon Corp | Signal processor |
JPS5126080A (ru) * | 1974-08-27 | 1976-03-03 | Sharp Kk |
Also Published As
Publication number | Publication date |
---|---|
JPS58140624A (ja) | 1983-08-20 |
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