Typewriting machines – Safety switch or condition-responsive-cutoff switch for...
Patent
1987-05-19
1989-04-18
Sewell, Paul T.
Typewriting machines
Safety switch or condition-responsive-cutoff switch for...
400185, 400719, 318 98, B41J 2938
Patent
active
048221856
ABSTRACT:
A driving method for a printing apparatus having a non-stabilized power source compensates for power supply fluctuations by selectively driving an additional load, such as another electric actuator, in a non-functional mode to thereby stabilize the current and voltage supplied to driven electric actuator.
REFERENCES:
patent: 4027761 (1977-06-01), Quaif
patent: 4195938 (1980-04-01), Velazquez
patent: 4493570 (1985-01-01), Araki
IBM TDB, vol. 28, No. 11, 1986, Apr., "Hammer Rattling in a Line Printer", pp. 5154-5155.
Brother Kogyo Kabushiki Kaisha
Sewell Paul T.
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