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    • 8. 发明公开
    • Print element substrate, printhead, and printing apparatus
    • Druckelementsubstrat,Druckklef und Druckvorrichtung
    • EP2116379A1
    • 2009-11-11
    • EP09158564.6
    • 2009-04-23
    • Canon Kabushiki Kaisha
    • Yamaguchi, TakaakiImanaka, YoshiyukiOmata, KoichiTakeuchi, SoutaKubo, Kousuke
    • B41J2/05
    • B41J2/0458B41J2/04523B41J2/04541B41J2/04543B41J2/0455
    • This invention is directed to allow efficiently transferring data to each heater and efficiently laying out circuits in an element substrate including plural heater arrays in which different numbers of heaters are arranged. This substrate includes: a first array having a relatively large number of heaters (1101); and a second array which is equal in length to the first array and has a relatively small number of heaters. The substrate further includes plural shift registers (1104) equal in number to the heater arrays. The shift registers include a shift register (1104A) which holds some data for driving the heaters of the first heater array, and data for driving the heaters of the second heater array. The shift registers further include another shift register (1104B) which holds data other than some data for driving the heaters of the first heater array.
    • 本发明旨在允许有效地将数据传送到每个加热器并且有效地布置在包括多个加热器阵列的元件基板中的电路,其中布置不同数量的加热器。 该基板包括:具有相对大量加热器(1101)的第一阵列; 以及与第一阵列长度相等且具有相对较少数量的加热器的第二阵列。 衬底还包括与加热器阵列数量相等的多个移位寄存器(1104)。 移位寄存器包括保持用于驱动第一加热器阵列的加热器的一些数据的移位寄存器(1104A)和用于驱动第二加热器阵列的加热器的数据。 移位寄存器还包括另外一个移位寄存器(1104B),该移位寄存器保存用于驱动第一加热器阵列的加热器的某些数据以外的数据。