Title:
【発明の名称】電動機の速度検出方法
Document Type and Number:
Japanese Patent JP2827446
Kind Code:
B2
Inventors:
YAMADA TETSUO
Application Number:
JP11421490A
Publication Date:
November 25, 1998
Filing Date:
April 27, 1990
Export Citation:
Assignee:
MEIDENSHA KK
International Classes:
G01P3/489; H02P29/00; (IPC1-7): G01P3/489; H02P5/00
Domestic Patent References:
| JP59169376A | ||||
| JP58153172A | ||||
| JP59214921A | ||||
| JP1269061A |
Attorney, Agent or Firm:
Fujiya Shiga (2 outside)