PHASE SHIFTS FOR PRINTING AT TWO SPEEDS

PHASE SHIFTS FOR PRINTING AT TWO SPEEDS

The method includes forming first size drops by applying drop forming pulses during a unit time period τ0; forming second size drops by applying drop forming pulses during a second size drop time period, τm, which is a multiple, m, of the unit time period; forming the corresponding plurality of drop...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GRIFFIN, TODD, RUSSELL, MONTZ, KIM, WADE, JEANMARIE, DAVID, LOUIS, LINK, ROBERT
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CORRECTION OF TYPOGRAPHICAL ERRORS
i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME
LINING MACHINES
PERFORMING OPERATIONS
PRINTING
SELECTIVE PRINTING MECHANISMS
STAMPS
TRANSPORTING
TYPEWRITERS
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Beschreibung
Zusammenfassung:The method includes forming first size drops by applying drop forming pulses during a unit time period τ0; forming second size drops by applying drop forming pulses during a second size drop time period, τm, which is a multiple, m, of the unit time period; forming the corresponding plurality of drop forming energy pulse sequences so as to form non-print drops and print drops; delaying the timing of the drop forming energy pulses sent to the transducers of the second group relative to the drop forming energy pulses sent to the transducers of the first group by a delay time τL, characterized by τL being equal to d*τ0 where d is 1½ to 9½, when printing at a first speed and τL is approximately equal to f*τ0 times where f is 1½ to 9½, f is greater than d when printing at a speed slower than the first speed.