JPS54138474A - Speed detecting method - Google Patents

Speed detecting method

Info

Publication number
JPS54138474A
JPS54138474A JP4607378A JP4607378A JPS54138474A JP S54138474 A JPS54138474 A JP S54138474A JP 4607378 A JP4607378 A JP 4607378A JP 4607378 A JP4607378 A JP 4607378A JP S54138474 A JPS54138474 A JP S54138474A
Authority
JP
Japan
Prior art keywords
outputs
encoder
detecting method
speed detecting
differentiated
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
JP4607378A
Other languages
Japanese (ja)
Other versions
JPS5918665B2 (en
Inventor
Yutaka Tanaka
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 JP4607378A priority Critical patent/JPS5918665B2/en
Publication of JPS54138474A publication Critical patent/JPS54138474A/en
Publication of JPS5918665B2 publication Critical patent/JPS5918665B2/en
Expired legal-status Critical Current

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Abstract

PURPOSE: To obtain the voltage proportional to speed by time-differentiating both or one of the outputs of an encoder and performing arithmetic processing.
CONSTITUTION: An optical shaft encoder 1 provided with two solar batteries 6A and 6B output the sine waveform voltages e1, e2 having mutually phase differences of π/2rad. The outputs e1, e2 of the encoder are differentiated by a differentiating circuit 10 and the differentiated results are squared in square circuits 11. The outputs of the square circuits 11A and 11B are added in an adder 12.
COPYRIGHT: (C)1979,JPO&Japio
JP4607378A 1978-04-19 1978-04-19 Speed detection method Expired JPS5918665B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4607378A JPS5918665B2 (en) 1978-04-19 1978-04-19 Speed detection method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4607378A JPS5918665B2 (en) 1978-04-19 1978-04-19 Speed detection method

Publications (2)

Publication Number Publication Date
JPS54138474A true JPS54138474A (en) 1979-10-26
JPS5918665B2 JPS5918665B2 (en) 1984-04-28

Family

ID=12736807

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4607378A Expired JPS5918665B2 (en) 1978-04-19 1978-04-19 Speed detection method

Country Status (1)

Country Link
JP (1) JPS5918665B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5520529A (en) * 1978-07-31 1980-02-14 Hitachi Ltd Speed control unit
JPS59142601A (en) * 1983-02-03 1984-08-15 Fujitsu Ten Ltd Level discrimination processing system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5520529A (en) * 1978-07-31 1980-02-14 Hitachi Ltd Speed control unit
JPS59142601A (en) * 1983-02-03 1984-08-15 Fujitsu Ten Ltd Level discrimination processing system

Also Published As

Publication number Publication date
JPS5918665B2 (en) 1984-04-28

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