JPS52148178A - Optical tachometer - Google Patents

Optical tachometer

Info

Publication number
JPS52148178A
JPS52148178A JP6462476A JP6462476A JPS52148178A JP S52148178 A JPS52148178 A JP S52148178A JP 6462476 A JP6462476 A JP 6462476A JP 6462476 A JP6462476 A JP 6462476A JP S52148178 A JPS52148178 A JP S52148178A
Authority
JP
Japan
Prior art keywords
optical tachometer
tachometer
optical
rotator
pulse
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
JP6462476A
Other languages
Japanese (ja)
Inventor
Takashi Nagai
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP6462476A priority Critical patent/JPS52148178A/en
Publication of JPS52148178A publication Critical patent/JPS52148178A/en
Pending legal-status Critical Current

Links

Landscapes

  • Linear Or Angular Velocity Measurement And Their Indicating Devices (AREA)
  • Optical Transform (AREA)

Abstract

PURPOSE: To generate a fixed number of pulse and to make the construction simple, by providing a fixed groove to the perpendicular direction against the thrust direction of rotary axis of rotator.
COPYRIGHT: (C)1977,JPO&Japio
JP6462476A 1976-06-04 1976-06-04 Optical tachometer Pending JPS52148178A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6462476A JPS52148178A (en) 1976-06-04 1976-06-04 Optical tachometer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6462476A JPS52148178A (en) 1976-06-04 1976-06-04 Optical tachometer

Publications (1)

Publication Number Publication Date
JPS52148178A true JPS52148178A (en) 1977-12-09

Family

ID=13263588

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6462476A Pending JPS52148178A (en) 1976-06-04 1976-06-04 Optical tachometer

Country Status (1)

Country Link
JP (1) JPS52148178A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57156815U (en) * 1981-03-27 1982-10-02
JPS60513U (en) * 1983-06-10 1985-01-05 株式会社精工舎 pulse generator
CN103197089A (en) * 2013-03-20 2013-07-10 袁立建 Device measuring rotating speed of high-speed direct current motor
JP2014508917A (en) * 2010-12-03 2014-04-10 ワン−ティーエル カンパニー リミテッド Measuring device flow measuring device and method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4914473B1 (en) * 1970-01-05 1974-04-08

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4914473B1 (en) * 1970-01-05 1974-04-08

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57156815U (en) * 1981-03-27 1982-10-02
JPS60513U (en) * 1983-06-10 1985-01-05 株式会社精工舎 pulse generator
JPH0230728Y2 (en) * 1983-06-10 1990-08-20
JP2014508917A (en) * 2010-12-03 2014-04-10 ワン−ティーエル カンパニー リミテッド Measuring device flow measuring device and method
CN103197089A (en) * 2013-03-20 2013-07-10 袁立建 Device measuring rotating speed of high-speed direct current motor

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