Printhead, printhead driving method, and data output apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 14, 2004
Grant Date -
Nov 29, 2001
app pub date -
Jan 29, 2001
filing date -
Jan 31, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The disclosed printhead can speed up transfer of image data and driving of printing elements without increasing the number of signal lines and connection terminals. An image data signal supplied to the printhead has a 4-bit bus format containing block selection data in its head. This signal is separated by a selection signal, and only the block selection data contained in the head is held in a latch and supplied to a decoder. The 4-bit image data corresponding to the four subsequent segments are respectively held in the four latches of a first printing control unit.
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