JPS6356525B2 - - Google Patents
Info
- Publication number
- JPS6356525B2 JPS6356525B2 JP56077827A JP7782781A JPS6356525B2 JP S6356525 B2 JPS6356525 B2 JP S6356525B2 JP 56077827 A JP56077827 A JP 56077827A JP 7782781 A JP7782781 A JP 7782781A JP S6356525 B2 JPS6356525 B2 JP S6356525B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- endoscope
- glass fiber
- fiber bundle
- optical glass
- 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
- 239000000835 fiber Substances 0.000 claims description 33
- 239000005304 optical glass Substances 0.000 claims description 33
- 238000002834 transmittance Methods 0.000 claims description 25
- 238000005286 illumination Methods 0.000 claims description 18
- 230000003287 optical effect Effects 0.000 claims description 18
- 230000037431 insertion Effects 0.000 claims description 16
- 238000003780 insertion Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000011084 recovery Methods 0.000 claims description 10
- 230000005855 radiation Effects 0.000 description 9
- 238000004383 yellowing Methods 0.000 description 9
- 230000003247 decreasing effect Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002872 contrast media Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000001198 duodenum Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000002601 radiography Methods 0.000 description 1
Landscapes
- Endoscopes (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56077827A JPS57192535A (en) | 1981-05-22 | 1981-05-22 | Light permeation ratio restoring apparatus of image transmitting optical glass fiber bundle for endoscope |
| EP82302585A EP0067555A3 (en) | 1981-05-22 | 1982-05-20 | Apparatus for restoring the light transmittance of an image-transmitting optical fiber bundle used in fiberoptic endoscope |
| US06/381,641 US4569334A (en) | 1981-05-22 | 1982-05-24 | Apparatus for restoring the light transmittance of an image-transmitting optical fiber bundle used in a fiber optic endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56077827A JPS57192535A (en) | 1981-05-22 | 1981-05-22 | Light permeation ratio restoring apparatus of image transmitting optical glass fiber bundle for endoscope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57192535A JPS57192535A (en) | 1982-11-26 |
| JPS6356525B2 true JPS6356525B2 (enrdf_load_stackoverflow) | 1988-11-08 |
Family
ID=13644866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56077827A Granted JPS57192535A (en) | 1981-05-22 | 1981-05-22 | Light permeation ratio restoring apparatus of image transmitting optical glass fiber bundle for endoscope |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57192535A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62130340A (ja) * | 1985-12-03 | 1987-06-12 | Power Reactor & Nuclear Fuel Dev Corp | 放射性雰囲気下物質の分光分析方法および装置 |
-
1981
- 1981-05-22 JP JP56077827A patent/JPS57192535A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57192535A (en) | 1982-11-26 |
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