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Patent Searching and Data


Title:
MOTOR CONTROLLING CIRCUIT AND MOTOR CONTROLLER
Document Type and Number:
Japanese Patent JPH0530783
Kind Code:
A
Abstract:

PURPOSE: To provide a motor controlling circuit and motor controller which do not generate any noise.

CONSTITUTION: When the turbulence 16a of a driving current Pa is detected by a detecting resistance R1 and the difference between driving signals Pa and Pc is fed back to a driving signal Pb via differential amplifier circuit 17 and a transistor Q1 receives a corrected driving signal Pka obtained as a result, it is possible to suppress the turbulence 16a of the driving current Pa.


Inventors:
ITO FUMIHIKO
Application Number:
JP20630291A
Publication Date:
February 05, 1993
Filing Date:
July 23, 1991
Export Citation:
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Assignee:
ROHM CO LTD
International Classes:
H02P6/12; (IPC1-7): H02P6/02
Attorney, Agent or Firm:
Kajiyama Bozen (1 person outside)