JPS5739303A - Length measuring device for endoscope - Google Patents
Length measuring device for endoscopeInfo
- Publication number
- JPS5739303A JPS5739303A JP11424080A JP11424080A JPS5739303A JP S5739303 A JPS5739303 A JP S5739303A JP 11424080 A JP11424080 A JP 11424080A JP 11424080 A JP11424080 A JP 11424080A JP S5739303 A JPS5739303 A JP S5739303A
- Authority
- JP
- Japan
- Prior art keywords
- leading ends
- distance
- length measuring
- pair
- way
- 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
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Endoscopes (AREA)
Abstract
PURPOSE: To make the provision of an accurate length measuring device for endoscopes possible by making the distance between the leading ends of a pair of length measuring arms adjustable, and making the signals corresponding to the distances obtainable.
CONSTITUTION: A pair of length measuring arms are provided in an outside pipe in such a way that the projections from their leading ends are free, and the distance between the leading ends is made adjustable. A transmission element is then mounted to one of the leading ends and a reception signal to the other in such a way that they oppose to each other so that the signals corresponding to the distances are obtained. For example, a pair of covered conductors 6, 7 are bundled by a tube 8 and are disposed freely movably forward and backward in an axial direction. Then, the distance between the arm materials 9 and 10 connected to the above-described covered conductors is made adjustable by moving a sliding material 14 in and out. The distance between the leading ends of both arms is determined by way of the optical signal by the light emitting element 11 and photodetector 12 mounted to the respective leading ends. At this time, the bending and the like of the outside pipe does not affect the results of measurement; hence always accurate measurement is accomplished.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11424080A JPS5739303A (en) | 1980-08-20 | 1980-08-20 | Length measuring device for endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11424080A JPS5739303A (en) | 1980-08-20 | 1980-08-20 | Length measuring device for endoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5739303A true JPS5739303A (en) | 1982-03-04 |
Family
ID=14632775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11424080A Pending JPS5739303A (en) | 1980-08-20 | 1980-08-20 | Length measuring device for endoscope |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5739303A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62227345A (en) * | 1986-03-28 | 1987-10-06 | オリンパス光学工業株式会社 | Observation auxiliary forcept |
| EP2735839A1 (en) * | 2012-11-27 | 2014-05-28 | Rolls-Royce Deutschland Ltd & Co KG | Test device for the height of a radial gap |
-
1980
- 1980-08-20 JP JP11424080A patent/JPS5739303A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62227345A (en) * | 1986-03-28 | 1987-10-06 | オリンパス光学工業株式会社 | Observation auxiliary forcept |
| EP2735839A1 (en) * | 2012-11-27 | 2014-05-28 | Rolls-Royce Deutschland Ltd & Co KG | Test device for the height of a radial gap |
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