Small printer

Details Small printer Small printer

1981-08-26

1984-03-13

Hartary, Joseph W.

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

400320, 400322, 400328, 346140R, 346143, G01D 1518

Patent

active

044364393

ABSTRACT:
A small printer for printing characters on a printing medium especially adapted for use in a portable electronic calculator. The printer includes a frame having a carriage slidably mounted thereon for lateral displacement across the printing medium. An ink jet printing mechanism is carried on the carriage for selectively printing characters at predetermined positions along lines of the printing medium. A crank mechanism couples a motor to the carriage so that the printing mechanism can be translated across the printing medium. A printing position control circuit determines when the printing mechanism is in each predetermined printing position and selectively supplies a printing signal to the printing mechanism so that the printing mechanism will print a character at the selected predetermined positions.

REFERENCES:
patent: 3941230 (1976-03-01), Bellino et al.
patent: 4053040 (1977-10-01), McGourty
patent: 4213714 (1980-07-01), Jones et al.
patent: 4259026 (1981-03-01), Hanaoha et al.
patent: 4338035 (1982-07-01), Kondo et al.

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