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JPS53143378A - Speed counting system - Google Patents

Speed counting system

Info

Publication number
JPS53143378A
JPS53143378A JP5758477A JP5758477A JPS53143378A JP S53143378 A JPS53143378 A JP S53143378A JP 5758477 A JP5758477 A JP 5758477A JP 5758477 A JP5758477 A JP 5758477A JP S53143378 A JPS53143378 A JP S53143378A
Authority
JP
Japan
Prior art keywords
speed
counting system
speed counting
soped
generaor
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
JP5758477A
Other languages
Japanese (ja)
Inventor
Masahiro Ueno
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 JP5758477A priority Critical patent/JPS53143378A/en
Publication of JPS53143378A publication Critical patent/JPS53143378A/en
Pending legal-status Critical Current

Links

Landscapes

  • Linear Or Angular Velocity Measurement And Their Indicating Devices (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Control Of Electric Motors In General (AREA)

Abstract

PURPOSE: To correctly measure the speed of a speed generaor of a Diesel car over a widerange by determining the speed in accordance with the frequency and period of the soped pulses for higher and lower speed ranges.
COPYRIGHT: (C)1978,JPO&Japio
JP5758477A 1977-05-20 1977-05-20 Speed counting system Pending JPS53143378A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5758477A JPS53143378A (en) 1977-05-20 1977-05-20 Speed counting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5758477A JPS53143378A (en) 1977-05-20 1977-05-20 Speed counting system

Publications (1)

Publication Number Publication Date
JPS53143378A true JPS53143378A (en) 1978-12-13

Family

ID=13059889

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5758477A Pending JPS53143378A (en) 1977-05-20 1977-05-20 Speed counting system

Country Status (1)

Country Link
JP (1) JPS53143378A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57175259A (en) * 1981-04-22 1982-10-28 Fanuc Ltd Speed detector
JPS57189588A (en) * 1981-05-18 1982-11-20 Fanuc Ltd Speed detecting system
JPS58123367U (en) * 1982-02-16 1983-08-22 三菱自動車工業株式会社 display device
JPS5950789A (en) * 1982-09-16 1984-03-23 Mitsubishi Electric Corp Speed controller for elevator
JPS59109867A (en) * 1982-12-15 1984-06-25 Mitsubishi Electric Corp Speed detection system
JPS61278766A (en) * 1985-06-04 1986-12-09 Yokogawa Hewlett Packard Ltd Counter
JPS6413464A (en) * 1987-07-08 1989-01-18 Jidosha Kiki Co Vehicle speed measuring method
JPH01107695A (en) * 1987-10-20 1989-04-25 Fuji Electric Co Ltd Controller of inverter for driving motor
JPH02129871U (en) * 1989-03-31 1990-10-25

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57175259A (en) * 1981-04-22 1982-10-28 Fanuc Ltd Speed detector
JPH0474671B2 (en) * 1981-04-22 1992-11-26
JPS57189588A (en) * 1981-05-18 1982-11-20 Fanuc Ltd Speed detecting system
WO1982004129A1 (en) * 1981-05-18 1982-11-25 Kurakake Mitsuo Speed detecting device
JPS58123367U (en) * 1982-02-16 1983-08-22 三菱自動車工業株式会社 display device
JPH0125315B2 (en) * 1982-09-16 1989-05-17 Mitsubishi Electric Corp
JPS5950789A (en) * 1982-09-16 1984-03-23 Mitsubishi Electric Corp Speed controller for elevator
JPS59109867A (en) * 1982-12-15 1984-06-25 Mitsubishi Electric Corp Speed detection system
JPS6344199B2 (en) * 1982-12-15 1988-09-02 Mitsubishi Electric Corp
JPS61278766A (en) * 1985-06-04 1986-12-09 Yokogawa Hewlett Packard Ltd Counter
JPS6413464A (en) * 1987-07-08 1989-01-18 Jidosha Kiki Co Vehicle speed measuring method
JPH01107695A (en) * 1987-10-20 1989-04-25 Fuji Electric Co Ltd Controller of inverter for driving motor
JPH02129871U (en) * 1989-03-31 1990-10-25

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