JPS51118477A - Detection method of fixed speed - Google Patents

Detection method of fixed speed

Info

Publication number
JPS51118477A
JPS51118477A JP4327475A JP4327475A JPS51118477A JP S51118477 A JPS51118477 A JP S51118477A JP 4327475 A JP4327475 A JP 4327475A JP 4327475 A JP4327475 A JP 4327475A JP S51118477 A JPS51118477 A JP S51118477A
Authority
JP
Japan
Prior art keywords
detection method
fixed speed
rotations
overflow
preset
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
JP4327475A
Other languages
Japanese (ja)
Inventor
Makoto Tachikawa
Kanta Suzuki
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 JP4327475A priority Critical patent/JPS51118477A/en
Publication of JPS51118477A publication Critical patent/JPS51118477A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: In order to detect more than a fixed value or less than that of the numbers of rotations of a revolving body, by using overflow and preset of the counter.
COPYRIGHT: (C)1976,JPO&Japio
JP4327475A 1975-04-11 1975-04-11 Detection method of fixed speed Pending JPS51118477A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4327475A JPS51118477A (en) 1975-04-11 1975-04-11 Detection method of fixed speed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4327475A JPS51118477A (en) 1975-04-11 1975-04-11 Detection method of fixed speed

Publications (1)

Publication Number Publication Date
JPS51118477A true JPS51118477A (en) 1976-10-18

Family

ID=12659229

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4327475A Pending JPS51118477A (en) 1975-04-11 1975-04-11 Detection method of fixed speed

Country Status (1)

Country Link
JP (1) JPS51118477A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5486078U (en) * 1977-11-24 1979-06-18
JPS59174764A (en) * 1983-03-24 1984-10-03 Mitsubishi Electric Corp Detector of low number of revolution of rotating shaft
JPS61189181A (en) * 1985-02-15 1986-08-22 Sankyo Seiki Mfg Co Ltd Digital speed controller
FR2626364A1 (en) * 1988-01-25 1989-07-28 Nantes Ecole Nale Super Meca Device for position and speed measurement of motorised shafts by sampling from a microcomputer

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4942214U (en) * 1972-07-31 1974-04-13

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4942214U (en) * 1972-07-31 1974-04-13

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5486078U (en) * 1977-11-24 1979-06-18
JPS59174764A (en) * 1983-03-24 1984-10-03 Mitsubishi Electric Corp Detector of low number of revolution of rotating shaft
JPH056150B2 (en) * 1983-03-24 1993-01-25 Mitsubishi Electric Corp
JPS61189181A (en) * 1985-02-15 1986-08-22 Sankyo Seiki Mfg Co Ltd Digital speed controller
JPH0552144B2 (en) * 1985-02-15 1993-08-04 Sankyo Seiki Seisakusho Kk
FR2626364A1 (en) * 1988-01-25 1989-07-28 Nantes Ecole Nale Super Meca Device for position and speed measurement of motorised shafts by sampling from a microcomputer

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