JPS5397473A - Detecting system for number of revolution - Google Patents

Detecting system for number of revolution

Info

Publication number
JPS5397473A
JPS5397473A JP1136477A JP1136477A JPS5397473A JP S5397473 A JPS5397473 A JP S5397473A JP 1136477 A JP1136477 A JP 1136477A JP 1136477 A JP1136477 A JP 1136477A JP S5397473 A JPS5397473 A JP S5397473A
Authority
JP
Japan
Prior art keywords
revolution
detecting system
sampleholding
affection
highly accurate
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.)
Granted
Application number
JP1136477A
Other languages
Japanese (ja)
Other versions
JPS5737029B2 (en
Inventor
Mitsuru Baba
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.)
Nippon Gakki Co Ltd
Original Assignee
Nippon Gakki Co 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 Nippon Gakki Co Ltd filed Critical Nippon Gakki Co Ltd
Priority to JP1136477A priority Critical patent/JPS5397473A/en
Publication of JPS5397473A publication Critical patent/JPS5397473A/en
Publication of JPS5737029B2 publication Critical patent/JPS5737029B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Control Of Electric Motors In General (AREA)

Abstract

PURPOSE: To perform highly accurate detection without affection of temperature and time drift with less number of parts by generating saw tooth waves by one of the optical detection signals of plural sets of mutually shifted pattern pairs and sampleholding by the other.
COPYRIGHT: (C)1978,JPO&Japio
JP1136477A 1977-02-04 1977-02-04 Detecting system for number of revolution Granted JPS5397473A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1136477A JPS5397473A (en) 1977-02-04 1977-02-04 Detecting system for number of revolution

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1136477A JPS5397473A (en) 1977-02-04 1977-02-04 Detecting system for number of revolution

Publications (2)

Publication Number Publication Date
JPS5397473A true JPS5397473A (en) 1978-08-25
JPS5737029B2 JPS5737029B2 (en) 1982-08-07

Family

ID=11775963

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1136477A Granted JPS5397473A (en) 1977-02-04 1977-02-04 Detecting system for number of revolution

Country Status (1)

Country Link
JP (1) JPS5397473A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49121578U (en) * 1973-02-13 1974-10-17
JPS5124174U (en) * 1974-08-06 1976-02-21

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49121578U (en) * 1973-02-13 1974-10-17
JPS5124174U (en) * 1974-08-06 1976-02-21

Also Published As

Publication number Publication date
JPS5737029B2 (en) 1982-08-07

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