Data processing: generic control systems or specific application – Specific application – apparatus or process – Product assembly or manufacturing
Reexamination Certificate
2011-07-05
2011-07-05
Masinick, Michael D (Department: 2128)
Data processing: generic control systems or specific application
Specific application, apparatus or process
Product assembly or manufacturing
C425S375000, C700S110000, C700S123000, C700S127000, C700S128000, C700S129000
Reexamination Certificate
active
07974727
ABSTRACT:
A volume element (voxel) printing system for printing a three-dimensional object includes a first printhead group having a plurality of first printheads configured to print a first voxel layer on a substrate; at least one second printhead group having a plurality of second printheads downstream from the first group, the second printhead group configured to print a subsequent voxel layer on at least part of the first layer, said second printheads being reconfigurable as backup printheads for the first printheads in case of failure; a conveyor configured to convey the substrate past the printhead groups; and a control system configured to control and monitor the printhead groups, the object insertion device, and the conveyor, and dynamically to reconfigure the second printheads upon detection of failure of a first printhead. The at least one second printhead group is vertically spaced from the substrate by a greater distance than the first printhead group.
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Masinick Michael D
Silverbrook Research Pty Ltd
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