Sheet feeding apparatus

Typewriting machines – Carriage or carriage-moving or movement-regulating mechanism – Carriage-feed mechanism

Patent

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Details

400 76, 400279, B41J 1930

Patent

active

055887589

ABSTRACT:
The printing apparatus or the sheet feeding apparatus disclosed here which employs vibration driven actuators as driving sources has a circuit for detecting the characteristics of the actuator during preparatory operation performed previous to the regular operation. Information detected by said circuit is used to control the actuators during the regular operation. As a result, a printing apparatus or a sheet feeding apparatus capable of reducing wasteful or unnecessary operation can be obtained.

REFERENCES:
patent: 5431502 (1995-07-01), Orii et al.

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