JPS5263775A - Photoelectric tachometer - Google Patents

Photoelectric tachometer

Info

Publication number
JPS5263775A
JPS5263775A JP50139296A JP13929675A JPS5263775A JP S5263775 A JPS5263775 A JP S5263775A JP 50139296 A JP50139296 A JP 50139296A JP 13929675 A JP13929675 A JP 13929675A JP S5263775 A JPS5263775 A JP S5263775A
Authority
JP
Japan
Prior art keywords
photoelectric tachometer
shaft
tachometer
photoelectric
abolishing
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
JP50139296A
Other languages
Japanese (ja)
Inventor
Takashi Nagai
Yosuke Nagano
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 JP50139296A priority Critical patent/JPS5263775A/en
Publication of JPS5263775A publication Critical patent/JPS5263775A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE:To simplify construction and facilitate production and mounting by making the intermittence of light in a direction at a right angle to the revolving shaft of a rotating body to be measured by means of a cut window formed in said shaft and abolishing a rotary slit.
JP50139296A 1975-11-21 1975-11-21 Photoelectric tachometer Pending JPS5263775A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50139296A JPS5263775A (en) 1975-11-21 1975-11-21 Photoelectric tachometer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50139296A JPS5263775A (en) 1975-11-21 1975-11-21 Photoelectric tachometer

Publications (1)

Publication Number Publication Date
JPS5263775A true JPS5263775A (en) 1977-05-26

Family

ID=15241964

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50139296A Pending JPS5263775A (en) 1975-11-21 1975-11-21 Photoelectric tachometer

Country Status (1)

Country Link
JP (1) JPS5263775A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS611126U (en) * 1977-12-30 1986-01-07 イング・チイ・オリベツチ・アンド・チイ・エス・ピー・ア angular position transducer
JPS61114321U (en) * 1984-12-28 1986-07-19
JPS6428564A (en) * 1987-07-24 1989-01-31 Anritsu Corp Rotation detector

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS611126U (en) * 1977-12-30 1986-01-07 イング・チイ・オリベツチ・アンド・チイ・エス・ピー・ア angular position transducer
JPS61114321U (en) * 1984-12-28 1986-07-19
JPS6428564A (en) * 1987-07-24 1989-01-31 Anritsu Corp Rotation detector

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