JPS51120261A - Rotator speep detecting system - Google Patents

Rotator speep detecting system

Info

Publication number
JPS51120261A
JPS51120261A JP4429975A JP4429975A JPS51120261A JP S51120261 A JPS51120261 A JP S51120261A JP 4429975 A JP4429975 A JP 4429975A JP 4429975 A JP4429975 A JP 4429975A JP S51120261 A JPS51120261 A JP S51120261A
Authority
JP
Japan
Prior art keywords
speep
rotator
detecting system
decrease
rotation speed
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
JP4429975A
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 JP4429975A priority Critical patent/JPS51120261A/en
Publication of JPS51120261A publication Critical patent/JPS51120261A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: A method of rotation speed detection by which the counting period does not decrease when the clock frequency decreases.
COPYRIGHT: (C)1976,JPO&Japio
JP4429975A 1975-04-14 1975-04-14 Rotator speep detecting system Pending JPS51120261A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4429975A JPS51120261A (en) 1975-04-14 1975-04-14 Rotator speep detecting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4429975A JPS51120261A (en) 1975-04-14 1975-04-14 Rotator speep detecting system

Publications (1)

Publication Number Publication Date
JPS51120261A true JPS51120261A (en) 1976-10-21

Family

ID=12687615

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4429975A Pending JPS51120261A (en) 1975-04-14 1975-04-14 Rotator speep detecting system

Country Status (1)

Country Link
JP (1) JPS51120261A (en)

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