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Title:
IMPACT-TYPE RECORDER
Document Type and Number:
Japanese Patent JPH01174450
Kind Code:
A
Abstract:
PURPOSE:To reduce the buzzing sound of a motor by providing an electric current control means which controls an electric current value in the fine vibration control of a wheel motor for rotating a daisy wheel to be lower than that in a normal printing according to a signal designating a character erasure or a bold printing. CONSTITUTION:An electric current control means (a) controls an electric current value in a fine vibration control to be lower than that in a normal printing according to a signal designating a character erasure or a bold printing. A motor drive means (b) conducts the fine vibration control to a daisy wheel motor M according to the electric current value controlled by the electric current control means (a). In this manner, in a character erasure or a bold printing, the buzzing sound of the wheel motor M can be reduced; thus, unpleasant noise for typists can be eliminated.

Inventors:
HARADA TSUTOMU
Application Number:
JP33534687A
Publication Date:
July 11, 1989
Filing Date:
December 29, 1987
Export Citation:
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Assignee:
CANON KK
International Classes:
B41J29/36; B41J1/24; B41J1/30; B41J3/407; (IPC1-7): B41J1/30; B41J3/00; B41J29/36
Attorney, Agent or Firm:
Yoshikazu Tani



 
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