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    • 6. 发明申请
    • LOAD DRIVING CIRCUIT, LIQUID EJECTION DEVICE, AND PRINTING APPARATUS
    • 负载驱动电路,液体喷射装置和打印装置
    • US20110043559A1
    • 2011-02-24
    • US12858296
    • 2010-08-17
    • Shinichi MIYAZAKIKunio TABATAAtsushi OSHIMAHiroyuki YOSHINONoritaka IDE
    • Shinichi MIYAZAKIKunio TABATAAtsushi OSHIMAHiroyuki YOSHINONoritaka IDE
    • B41J29/38H02J7/00
    • B41J2/04588B41J2/04541B41J2/04573B41J2/04581
    • A load driving circuit includes first storage elements charged by a power supply and a series storage element group constituting unit that switches the connection state between the first storage elements to constitute a series storage element group in which the first storage elements are connected in series. A second storage element charging unit charges a second storage element using the series storage element group. Switching is performed between first and second connection states to apply voltage to the load. In the first connection state, the charged second storage element and the series storage element group are connected to the load while the second storage element and the series storage element group are connected in series. In the second connection state, the series storage element group is connected to the load while the series connection between the second storage element and the series storage element group is broken.
    • 负载驱动电路包括由电源充电的第一存储元件和串联存储元件组构成单元,其切换第一存储元件之间的连接状态,以构成其中第一存储元件串联连接的串联存储元件组。 第二存储元件充电单元使用串联存储元件组对第二存储元件充电。 在第一和第二连接状态之间进行切换,以向负载施加电压。 在第一连接状态下,充电的第二存储元件和串联存储元件组连接到负载,而第二存储元件和串联存储元件组串联连接。 在第二连接状态下,串联存储元件组连接到负载,同时第二存储元件和串联存储元件组之间的串联断开。
    • 7. 发明申请
    • LIQUID EJECTING DEVICE
    • 液体喷射装置
    • US20130038654A1
    • 2013-02-14
    • US13570867
    • 2012-08-09
    • Hiroyuki YOSHINOKunio TABATAAtsushi OSHIMANoritaka IDE
    • Hiroyuki YOSHINOKunio TABATAAtsushi OSHIMANoritaka IDE
    • B41J29/38
    • B41J2/04541A61B17/3203A61B2017/00402A61B2017/32032B05B17/0653B41J2/04581B41J2/175
    • A liquid ejecting device includes a driving waveform signal generating circuit that generates a driving waveform signal, a modulation circuit that performs pulse modulation on the driving waveform signal to generate a modulation signal, a digital power amplifier that amplifies power of the modulation signal to generate a power amplification modulation signal in the form of a pulse wave, a filter that smoothes the power amplification modulation signal in the pulse wave to generate the driving signal, a connection cable that connects the filter to the capacitive load and is provided such that at least one of the filter and the capacitive load is detachable, a connection line information acquiring unit that acquires connection line information associated with the connection cable, and a frequency changing unit that changes a frequency when the modulation circuit performs the pulse modulation on the driving waveform signal, on the basis of the connection line.
    • 液体喷射装置包括产生驱动波形信号的驱动波形信号产生电路,对驱动波形信号进行脉冲调制以产生调制信号的调制电路,放大调制信号的功率以产生调制信号的数字功率放大器 脉冲波形式的功率放大调制信号,使脉冲波中的功率放大调制信号平滑以产生驱动信号的滤波器,将滤波器连接到电容性负载的连接电缆,并提供至少一个 滤波器和容性负载可拆卸的连接线信息获取单元,其获取与连接电缆相关联的连接线信息;以及频率改变单元,其在调制电路对驱动波形信号执行脉冲调制时改变频率, 在连接线的基础上。