JPS52150059A - Length measuring apparatus - Google Patents

Length measuring apparatus

Info

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
Application number
JP6696976A
Other languages
Japanese (ja)
Inventor
Michio Oomichi
Teruyoshi Kitahara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP6696976A priority Critical patent/JPS52150059A/en
Publication of JPS52150059A publication Critical patent/JPS52150059A/en
Pending legal-status Critical Current

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
JP6696976A 1976-06-08 1976-06-08 Length measuring apparatus Pending JPS52150059A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (10)

* Cited by examiner, † Cited by third party
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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