JPS5361356A - Minute angle measuring device - Google Patents
Minute angle measuring deviceInfo
- Publication number
- JPS5361356A JPS5361356A JP13713976A JP13713976A JPS5361356A JP S5361356 A JPS5361356 A JP S5361356A JP 13713976 A JP13713976 A JP 13713976A JP 13713976 A JP13713976 A JP 13713976A JP S5361356 A JPS5361356 A JP S5361356A
- Authority
- JP
- Japan
- Prior art keywords
- minute angle
- measuring device
- angle measuring
- spots
- minute
- 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
- Length Measuring Devices By Optical Means (AREA)
Abstract
PURPOSE: To measure minute angles highly accurately with a simple constitution by applying parallel light rays to faces intersecting at a minute angle, condensing the reflected rays thereof with a convex lens of a long focal length, forming two spots and measuring the distance between the spots.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13713976A JPS5361356A (en) | 1976-11-15 | 1976-11-15 | Minute angle measuring device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13713976A JPS5361356A (en) | 1976-11-15 | 1976-11-15 | Minute angle measuring device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5361356A true JPS5361356A (en) | 1978-06-01 |
Family
ID=15191722
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13713976A Pending JPS5361356A (en) | 1976-11-15 | 1976-11-15 | Minute angle measuring device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5361356A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01131407A (en) * | 1987-08-28 | 1989-05-24 | Spectra Physics Inc | Apparatus and method for measuring angle of reflecting cone |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5029761A (en) * | 1973-05-09 | 1975-03-25 |
-
1976
- 1976-11-15 JP JP13713976A patent/JPS5361356A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5029761A (en) * | 1973-05-09 | 1975-03-25 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01131407A (en) * | 1987-08-28 | 1989-05-24 | Spectra Physics Inc | Apparatus and method for measuring angle of reflecting cone |
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