JPS5438157A - Length measuring apparatus - Google Patents
Length measuring apparatusInfo
- Publication number
- JPS5438157A JPS5438157A JP10527277A JP10527277A JPS5438157A JP S5438157 A JPS5438157 A JP S5438157A JP 10527277 A JP10527277 A JP 10527277A JP 10527277 A JP10527277 A JP 10527277A JP S5438157 A JPS5438157 A JP S5438157A
- Authority
- JP
- Japan
- Prior art keywords
- measuring apparatus
- length measuring
- movement start
- time
- measuring
- 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 lengths accurately by providing circuits of correcting the time loss from the movement start of the object up to the measurement start of the measuring apparatus in the case of measuring the length of the objects from the time of movement start and stop by the reflected light from the object passing through a grating form slit.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10527277A JPS5438157A (en) | 1977-09-01 | 1977-09-01 | Length measuring apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10527277A JPS5438157A (en) | 1977-09-01 | 1977-09-01 | Length measuring apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5438157A true JPS5438157A (en) | 1979-03-22 |
Family
ID=14403020
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10527277A Pending JPS5438157A (en) | 1977-09-01 | 1977-09-01 | Length measuring apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5438157A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62276403A (en) * | 1986-05-24 | 1987-12-01 | Nikon Corp | Shape measuring apparatus |
-
1977
- 1977-09-01 JP JP10527277A patent/JPS5438157A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62276403A (en) * | 1986-05-24 | 1987-12-01 | Nikon Corp | Shape measuring apparatus |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS52150059A (en) | Length measuring apparatus | |
JPS5438157A (en) | Length measuring apparatus | |
JPS5296047A (en) | Original point detector | |
JPS5213389A (en) | Device for measuring dirtiness load in waste water or smoke | |
JPS5219942A (en) | Pulse width change circuit | |
JPS51124454A (en) | Surface coarseness measuring method and equipment | |
JPS5256558A (en) | Three-dimentional object measuring system | |
JPS5395676A (en) | Speed measuring system | |
JPS533262A (en) | Radiation thickness meter | |
JPS54946A (en) | Operation speed test circuit for logic element or logic circuit | |
JPS5220076A (en) | Dew-point measurement device | |
JPS5328336A (en) | Optical scanning device | |
JPS5284762A (en) | Detector for measuring transmission characteristics of optical fiber | |
JPS5333193A (en) | Measuring apparatus of transformed quantity at diffusion welding | |
JPS5389460A (en) | Measuring method of relative position deviation | |
JPS52152767A (en) | Automatic time width measuring system | |
JPS5240362A (en) | Length measuring apparatus | |
JPS5251966A (en) | Automatic measuring instrument | |
JPS53102059A (en) | Response function measuring device having scale correcting means by local image forming magnifications | |
JPS5226879A (en) | Method of measuring phase constants in waveguides | |
JPS53127258A (en) | Accuracy measuring system of da-ad circuit | |
JPS5219944A (en) | Pulse width change circuit | |
JPS5322452A (en) | Size measuring device | |
JPS5379561A (en) | Measuring device of spreading angle of laser beam | |
JPS5238248A (en) | Method of measuring aparent forms thread-like objects |