JPS5327082A - Detector for rotating speed of motor - Google Patents

Detector for rotating speed of motor

Info

Publication number
JPS5327082A
JPS5327082A JP10193276A JP10193276A JPS5327082A JP S5327082 A JPS5327082 A JP S5327082A JP 10193276 A JP10193276 A JP 10193276A JP 10193276 A JP10193276 A JP 10193276A JP S5327082 A JPS5327082 A JP S5327082A
Authority
JP
Japan
Prior art keywords
rotating speed
motor
detector
driven
position signal
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
JP10193276A
Other languages
Japanese (ja)
Inventor
Masami Hatsuyama
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP10193276A priority Critical patent/JPS5327082A/en
Publication of JPS5327082A publication Critical patent/JPS5327082A/en
Pending legal-status Critical Current

Links

Landscapes

  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
  • Control Of Electric Motors In General (AREA)
  • Impact Printers (AREA)

Abstract

PURPOSE: To carry out sensitive, exact detection of rotating speed, by controlling saw-tooth voltage generating circuit with differential pulse as output of differential amplifier according to two phase position signal, etc., of DC motor assembled in tape recorder, etc., which is driven by current supplied from switching circuit.
COPYRIGHT: (C)1978,JPO&Japio
JP10193276A 1976-08-25 1976-08-25 Detector for rotating speed of motor Pending JPS5327082A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10193276A JPS5327082A (en) 1976-08-25 1976-08-25 Detector for rotating speed of motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10193276A JPS5327082A (en) 1976-08-25 1976-08-25 Detector for rotating speed of motor

Publications (1)

Publication Number Publication Date
JPS5327082A true JPS5327082A (en) 1978-03-13

Family

ID=14313676

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10193276A Pending JPS5327082A (en) 1976-08-25 1976-08-25 Detector for rotating speed of motor

Country Status (1)

Country Link
JP (1) JPS5327082A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58224590A (en) * 1982-06-22 1983-12-26 Shibaura Eng Works Co Ltd Drive circuit for brushless motor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5128780B1 (en) * 1970-06-01 1976-08-21

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5128780B1 (en) * 1970-06-01 1976-08-21

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58224590A (en) * 1982-06-22 1983-12-26 Shibaura Eng Works Co Ltd Drive circuit for brushless motor

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