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发明公开
CN101925464A 用于喷墨打印头的共基极横向双极结型晶体管电路 失效 - 权利终止

用于喷墨打印头的共基极横向双极结型晶体管电路
摘要：
一种喷墨打印机的打印头电路，包括：被布置成多个行的多个行加热元件；被布置成多个列的多个列加热元件；以及多个横向双极结型晶体管(BJT)，每个横向BJT连接在所述多个行加热元件中的对应一个行加热元件和所述多个列加热元件中的对应一个列加热元件之间并且与所述对应一个行加热元件和所述对应一个列加热元件串联连接，所述多个横向BJT具有共基极；其中所述多个行加热元件和所述多个列加热元件被选择性地激励从而以期望的图案加热喷墨打印机中的墨以用于打印介质，且其中所述多个横向BJT的每个操作以允许激励与该BJT串联连接的对应行和列加热元件。
摘要（英）：

A print head circuit of an inkjet printer comprising a plurality of row heating elements arranged in a plurality of rows, a plurality of column heating elements arranged in a plurality of columns, and a plurality of lateral bipolar junction transistors (BJTs), each lateral BJT is connected in between and in series with a corresponding one of the plurality of row heating elements and a corresponding one of the plurality of column heating elements, the plurality of lateral BJTs have common bases, wherein the plurality of row heating elements and the plurality of column heating elements are selectively energized to heat ink in the inkjet printer in a desired pattern for printing media, and wherein each of the plurality of lateral BJTs operates to allow the corresponding row and column heating elements that are connected in series with the lateral BJT to be energized.

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