Motor control method and apparatus, time recorder having...

Details Motor control method and apparatus, time recorder having... Motor control method and apparatus, time recorder having...

2006-06-13

2006-06-13

Chau, Minh (Department: 2854)

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

C400S124020, C400S279000

Reexamination Certificate

active

07059787

ABSTRACT:
An impact printing apparatus is also disclosed with printing pin actuation timing correction dependent upon scanning speed or platen shape, striking duration timing dependent upon scanning rate, or printing pin actuation timing dependent upon stored shift amounts.

REFERENCES:
patent: 4020939 (1977-05-01), Quaif et al.
patent: 4643596 (1987-02-01), Shimada et al.
patent: 4844635 (1989-07-01), Malkemes et al.
patent: 5288157 (1994-02-01), Tanaka
patent: 5310270 (1994-05-01), Matsukura
patent: 5385414 (1995-01-01), Shirotori et al.

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