Timing circuit for ink jet system printer

Details Timing circuit for ink jet system printer Timing circuit for ink jet system printer

1975-12-18

1977-07-19

Hartary, Joseph W.

Recorders

Record receiver deforming

346139R, G01D 1524

Patent

active

040372308

ABSTRACT:
In an ink jet system printer of the charge amplitude controlling type, wherein a printing head is transported in a horizontal direction and vertical deflection is achieved by a pair of high voltage deflection plates, it is required to transport the printing head at a fixed velocity in the printing process. More particularly, in order to execute intermittent printing by repetition of the transporting and stopping of the printing head in response to intermittent input signals, it is necessary that printing is restricted during the time required for increasing the velocity of the printing head to a desired level and then permitted after that time. The present invention provides a system wherein the generation of printing start signals is delayed by a predetermined period following the application of input signals, and also a system wherein printing start signals are generated when the actual velocity of the head has been sensed as reaching the desired velocity.

REFERENCES:
patent: 3555558 (1971-01-01), Sherman
patent: 3858702 (1975-01-01), Azuma
patent: 3878517 (1975-04-01), Kasubuchi et al.
patent: 3925787 (1975-12-01), Suzuki

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