JPS52150059A - Length measuring apparatus - Google Patents
Length measuring apparatusInfo
- Publication number
- JPS52150059A JPS52150059A JP6696976A JP6696976A JPS52150059A JP S52150059 A JPS52150059 A JP S52150059A JP 6696976 A JP6696976 A JP 6696976A JP 6696976 A JP6696976 A JP 6696976A JP S52150059 A JPS52150059 A JP S52150059A
- Authority
- JP
- Japan
- Prior art keywords
- measuring apparatus
- length measuring
- length
- objects
- obtaining
- 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 highly accurately measure the length of objects by receiving the laser beam reflected from the object via grating-form slits thereby obtaining the signal of the frequency proportional to the moving speed of the object.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6696976A JPS52150059A (en) | 1976-06-08 | 1976-06-08 | Length measuring apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6696976A JPS52150059A (en) | 1976-06-08 | 1976-06-08 | Length measuring apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52150059A true JPS52150059A (en) | 1977-12-13 |
Family
ID=13331347
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6696976A Pending JPS52150059A (en) | 1976-06-08 | 1976-06-08 | Length measuring apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52150059A (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5863802A (en) * | 1981-10-14 | 1983-04-15 | Yokogawa Hokushin Electric Corp | Displacement converter |
CN104132609A (en) * | 2014-07-16 | 2014-11-05 | 广东工业大学 | Electromagnetic grid ruler structure and displacement information reading method thereof |
CN106197244A (en) * | 2016-09-09 | 2016-12-07 | 重庆理工大学 | Grating straight-line displacement sensor during a kind of double-row type two dimension |
CN106257231A (en) * | 2016-09-09 | 2016-12-28 | 重庆理工大学 | Grating straight-line displacement sensor during a kind of single-row double-row type two dimension |
CN106338234A (en) * | 2016-09-09 | 2017-01-18 | 重庆理工大学 | Double-column-type time-grating linear displacement sensor |
CN106338235A (en) * | 2016-09-09 | 2017-01-18 | 重庆理工大学 | Single-row time-grating linear displacement sensor |
CN106441059A (en) * | 2016-09-09 | 2017-02-22 | 重庆理工大学 | Single-column double-row time grating linear displacement sensor |
CN106441058A (en) * | 2016-09-09 | 2017-02-22 | 重庆理工大学 | Single-row two-dimensional time grating linear displacement sensor |
CN111220079A (en) * | 2019-11-19 | 2020-06-02 | 湖北中烟工业有限责任公司 | On-line measuring device for cigarette length |
-
1976
- 1976-06-08 JP JP6696976A patent/JPS52150059A/en active Pending
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5863802A (en) * | 1981-10-14 | 1983-04-15 | Yokogawa Hokushin Electric Corp | Displacement converter |
CN104132609A (en) * | 2014-07-16 | 2014-11-05 | 广东工业大学 | Electromagnetic grid ruler structure and displacement information reading method thereof |
CN104132609B (en) * | 2014-07-16 | 2017-07-07 | 广东工业大学 | A kind of electric magnetic railings ruler structure and its displacement information read method |
CN106197244A (en) * | 2016-09-09 | 2016-12-07 | 重庆理工大学 | Grating straight-line displacement sensor during a kind of double-row type two dimension |
CN106257231A (en) * | 2016-09-09 | 2016-12-28 | 重庆理工大学 | Grating straight-line displacement sensor during a kind of single-row double-row type two dimension |
CN106338234A (en) * | 2016-09-09 | 2017-01-18 | 重庆理工大学 | Double-column-type time-grating linear displacement sensor |
CN106338235A (en) * | 2016-09-09 | 2017-01-18 | 重庆理工大学 | Single-row time-grating linear displacement sensor |
CN106441059A (en) * | 2016-09-09 | 2017-02-22 | 重庆理工大学 | Single-column double-row time grating linear displacement sensor |
CN106441058A (en) * | 2016-09-09 | 2017-02-22 | 重庆理工大学 | Single-row two-dimensional time grating linear displacement sensor |
CN111220079A (en) * | 2019-11-19 | 2020-06-02 | 湖北中烟工业有限责任公司 | On-line measuring device for cigarette length |
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