Handheld dot printing device

Details Handheld dot printing device Handheld dot printing device

1996-11-14

2000-06-06

Le, N.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 14, 347 19, B41J 2145, B41J 215, B41J 2938, B41J 29393

Patent

active

060709626

ABSTRACT:
A portable dot printing device including an encoder for detecting movement amount of the portable dot printing device across the recording medium and for producing a pulse signal based on a minimum movement amount detectable by the encoder; and a print head formed with at least a first element row and a second element row each having elements for printing dots on the recording medium, the first element row and the second element row being separated by a predetermined pitch equal to a multiple of the minimum movement amount, the print head being controlled to print images using the elements based on the pulse signal from the encoder.

REFERENCES:
patent: 4325086 (1982-04-01), Sato et al.
patent: 4777609 (1988-10-01), Cavill et al.
patent: 4915027 (1990-04-01), Ishibashi et al.
patent: 5240334 (1993-08-01), Epstein et al.
patent: 5297017 (1994-03-01), Haselby et al.
patent: 5634730 (1997-06-01), Bobry

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