Printing element board and printing apparatus including printing element board
Number of patents in Portfolio can not be more than 2000
United States of America
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Apr 1, 2025
Grant Date -
Sep 28, 2023
app pub date -
Mar 21, 2023
filing date -
Mar 21, 2023
priority date (Note) -
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status (Latency Note)
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Abstract
A printing element board includes a plurality of memory modules each including a memory element and a driving circuit, a plurality of discharge modules, a control data supply unit configured to select one of a memory module and a discharge module from the plurality of memory modules and the plurality of discharge modules and perform drive control, and a logical product calculation unit configured to, when the memory module is selected, receive a first signal and a second signal output at the same timing, and supply a signal indicating a logical product of the first and second signals to the control data supply unit. When the signal indicating the logical product of the first and second signals is not supplied from the calculation unit, the supply unit does not perform drive control of the memory module.
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