JPS5339417A - Rotational speed detector for commutatorlcommutatorless motor - Google Patents

Rotational speed detector for commutatorlcommutatorless motor

Info

Publication number
JPS5339417A
JPS5339417A JP11366976A JP11366976A JPS5339417A JP S5339417 A JPS5339417 A JP S5339417A JP 11366976 A JP11366976 A JP 11366976A JP 11366976 A JP11366976 A JP 11366976A JP S5339417 A JPS5339417 A JP S5339417A
Authority
JP
Japan
Prior art keywords
rotational speed
commutatorlcommutatorless
motor
speed detector
phases
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
JP11366976A
Other languages
Japanese (ja)
Inventor
Tsunehiro Endo
Tadashi Takahashi
Katsuo Mori
Katsuhiko Yabe
Kiyoo Takeyasu
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 JP11366976A priority Critical patent/JPS5339417A/en
Publication of JPS5339417A publication Critical patent/JPS5339417A/en
Pending legal-status Critical Current

Links

Landscapes

  • Brushless Motors (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)

Abstract

PURPOSE:To enhance an accuracy of detection by a signal for detecting the rotational speed with the trigger pulse train, (number of phases x 2n) times a rotational speed, obtained.
JP11366976A 1976-09-24 1976-09-24 Rotational speed detector for commutatorlcommutatorless motor Pending JPS5339417A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11366976A JPS5339417A (en) 1976-09-24 1976-09-24 Rotational speed detector for commutatorlcommutatorless motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11366976A JPS5339417A (en) 1976-09-24 1976-09-24 Rotational speed detector for commutatorlcommutatorless motor

Publications (1)

Publication Number Publication Date
JPS5339417A true JPS5339417A (en) 1978-04-11

Family

ID=14618149

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11366976A Pending JPS5339417A (en) 1976-09-24 1976-09-24 Rotational speed detector for commutatorlcommutatorless motor

Country Status (1)

Country Link
JP (1) JPS5339417A (en)

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