Patent ID: 7146236
Filing Date: 2006-12-05
Classification: B05C,B22F,B29C,B33Y,B41J,H05K,Y02P,Y10S,Y10T

Abstract:
1. A three dimensional object creation system that prints objects layer by layer, the system including a plurality of printheads, the system printing at least part of each of multiple layers simultaneously, the system being configured to enable at least one first printhead that is initially configured to print at least part of a first layer to be dynamically reconfigured to print at least part of a second layer, the system further comprising: a fault detection system that automatically detects faults in said system and reconfigures said at least one first printhead in the event of a failure, wherein each printhead or group of printheads comprises a secondary fault detection system that monitors itself and at least one other printhead.