Method and apparatus for interleaving pulses in a liquid recorde

Details Method and apparatus for interleaving pulses in a liquid recorde Method and apparatus for interleaving pulses in a liquid recorde

1997-05-29

1999-06-29

Yockey, David F.

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Controller

347 12, 347 60, B41J 2938, B41J 205

Patent

active

059175095

ABSTRACT:
A liquid recording apparatus ejects droplets of liquid onto a recording medium. The apparatus has multiple liquid emitters whose emissions are activated by multiple power pulses. The power pulses are controlled to maximize the number of emitters which can be simultaneously energized while keeping the instantaneous power usage within prescribed boundaries. The multiple emitters are organized into banks of emitters whose numbers are small enough that all emitters within a bank can receive a correct level of power simultaneously without exceeding capacity of a shared power source. A circuit interleaves the power pulses to the emitters so that no bank of emitters are receiving power at the same instant of time.

REFERENCES:
patent: 4774530 (1988-09-01), Hawkins
patent: 4982199 (1991-01-01), Dunn
patent: 5138337 (1992-08-01), Ng
patent: 5172134 (1992-12-01), Kishida et al.
patent: 5265315 (1993-11-01), Hoisington et al.

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