JPS51129246A - Detector for convex lens focal point face - Google Patents
Detector for convex lens focal point faceInfo
- Publication number
- JPS51129246A JPS51129246A JP5323875A JP5323875A JPS51129246A JP S51129246 A JPS51129246 A JP S51129246A JP 5323875 A JP5323875 A JP 5323875A JP 5323875 A JP5323875 A JP 5323875A JP S51129246 A JPS51129246 A JP S51129246A
- Authority
- JP
- Japan
- Prior art keywords
- focal point
- convex lens
- detector
- point face
- lens focal
- 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.)
- Granted
Links
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Automatic Focus Adjustment (AREA)
Abstract
PURPOSE: Detection of focal point face is made easy by observing part of light flux which again has passed the convex lens projecting it on a screen after being reflected by an injection substance.
COPYRIGHT: (C)1976,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5323875A JPS51129246A (en) | 1975-05-06 | 1975-05-06 | Detector for convex lens focal point face |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5323875A JPS51129246A (en) | 1975-05-06 | 1975-05-06 | Detector for convex lens focal point face |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS51129246A true JPS51129246A (en) | 1976-11-10 |
JPS552848B2 JPS552848B2 (en) | 1980-01-22 |
Family
ID=12937212
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5323875A Granted JPS51129246A (en) | 1975-05-06 | 1975-05-06 | Detector for convex lens focal point face |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS51129246A (en) |
-
1975
- 1975-05-06 JP JP5323875A patent/JPS51129246A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS552848B2 (en) | 1980-01-22 |
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