| 摘要 |
<p>An ink jet printhead system having a plurality of ink jets (102, 314A, 314B) for use with a system for ink jet printing of messages in ink (140) said system having a terminal including a keyboard for entering message data, a controller interconnected with the terminal for processing the message data received from the terminal and storing the message data for the messages in a memory, said controller having a serial output port for providing serial output data in a bit map format, said ink jet printhead comprising: a serial input port for connection to the serial output port (308A, 308B), driver circuits (310A, 310B) connected to the serial input and responsive to the serial output data provided to the serial input port, a plurality of electrically actuated valve means (312A, 312B) for each ink jet connected to the driver circuit, a transmitter (316) to transmit data to the next printhead, a regulator (318) connected to the solenoids, a timer (320) which enables ports, and a receiver (300) which receives data from the controller or previous printheads and includes the data line (302), the clock (304) and the latch (306).</p> |
