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1. (WO1997018952) OPERATION OF PULSED DROPLET DEPOSITION APPARATUS
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1997/018952 International Application No.: PCT/GB1996/002900
Publication Date: 29.05.1997 International Filing Date: 22.11.1996
Chapter 2 Demand Filed: 23.05.1997
IPC:
B41J 2/045 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
41
PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
J
TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
2
Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
005
characterised by bringing liquid or particles selectively into contact with a printing material
01
Ink jet
015
characterised by the jet generation process
04
generating single droplets or particles on demand
045
by pressure, e.g. electromechanical transducers
Applicants:
XAAR TECHNOLOGY LIMITED [GB/GB]; 2 Science Park Milton Road Cambridge CB4 4FD, GB (AllExceptUS)
ARNOTT, Michael, George [GB/GB]; GB (UsOnly)
Inventors:
ARNOTT, Michael, George; GB
Agent:
GARRATT, Peter, Douglas; Mathys & Squire 100 Gray's Inn Road London WC1X 8AL, GB
HARTWELL, Ian, Peter; Xaar Limited 2 Science Park Milton Road Cambridge CB4 4FD, GB
Priority Data:
9523926.523.11.1995GB
Title (EN) OPERATION OF PULSED DROPLET DEPOSITION APPARATUS
(FR) FONCTIONNEMENT D'UN APPAREIL DE DEPOT DE GOUTTELETTES PULSEES
Abstract:
(EN) An inkjet printhead comprises an array of parallel channels separated one from the next by side walls transversely displaceable in response to an actuating signal. Pattern dependent crosstalk is avoided by applying to a channel selected for actuation a signal held at a given non-zero level for a period of length greater than that the length of the period at which the velocity of droplets ejected from said channel is at its maximum and at which the velocity of a droplet ejected from said selected channel is substantially independent of whether or not channels in the vicinity of said selected channel are similarly actuated to effect droplet ejection simultaneously with droplet ejection from the selected channel.
(FR) Une tête d'impression à jet d'encre comprend un ensemble de canaux parallèles, séparés l'un de l'autre par des cloisons latérales qui peuvent être déplacées transversalement en réaction à un signal d'actionnement. On évite la diaphonie fonction du motif en appliquant, à un canal sélectionné pour être actionné, un signal maintenu à un niveau non égal à zéro pendant un laps de temps plus long que la période pendant laquelle la vitesse des gouttelettes éjectées de ce canal est à son maximum et pendant laquelle la vitesse d'une gouttelette éjectée de ce canal sélectionné est sensiblement indépendante du fait que des canaux proches du canal en question soient ou non actionnés de façon similaire pour effectuer l'éjection de gouttelettes en même temps que le canal sélectionné.
Designated States: BR, CA, CN, JP, KR, MX, RU, SG, US
European Patent Office (AT, BE, CH, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
MXPA/a/1998/004073SG53767EP0868306RU02176956JP3770915 JPH11500375
CN1207706CA2238424KR1019990071561