Sheet feeding apparatus having vibration actuators

Details Sheet feeding apparatus having vibration actuators Sheet feeding apparatus having vibration actuators

1995-08-02

1997-07-01

Bennett, Christopher A.

Typewriting machines

Carriage or carriage-moving or movement-regulating mechanism

Carriage-feed mechanism

271267, 400279, 400634, 310323, B41J 1930

Patent

active

056429495

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: 4786194 (1988-11-01), Ueno
patent: 4981375 (1991-01-01), Kawakami et al.
patent: 5036266 (1991-07-01), Burke
patent: 5085423 (1992-02-01), Nishimoto et al.
patent: 5094444 (1992-03-01), Seki
patent: 5176376 (1993-01-01), Igaki et al.
patent: 5207520 (1993-05-01), Tanaka

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