Printing apparatus
A technology for printing devices and media, applied in the directions of printing devices, printing, electric heating devices, etc., can solve problems such as power increase
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no. 1 approach
[0058] In this embodiment, an inkjet printer that ejects ink to form an image on the recording medium PP is exemplified, and a printing device will be described. In addition, in this embodiment, ink is an example of "liquid", and recording medium PP is an example of "medium".
[0059] 1.1. Overview of inkjet printers
[0060] Below, refer to figure 1 , the outline of the inkjet printer 1A according to this embodiment will be described.
[0061] figure 1 It is a functional block diagram showing an example of the configuration of the inkjet printer 1A.
[0062] Such as figure 1 As shown, print data Img representing an image to be formed by the inkjet printer 1A is supplied to the inkjet printer 1A from a host computer such as a personal computer or a digital camera. The inkjet printer 1A executes a printing process of forming an image indicated by the print data Img supplied from the host computer on the recording medium PP.
[0063] In addition, if figure 1 As shown, the p...
Deformed example 11
[0212] In the above-mentioned embodiment, the pulse signal generators HK[1] to HK[K] generate the pulse signals Q[1] to Q[K] based on a single clock signal CLK, but the present invention is not limited to this way. Of the pulse signal generators HK[ 1 ] to HK[K], one pulse signal generator HK and the other pulse signal generator HK may generate the pulse signal Q based on mutually different clock signals CLK.
[0213] Figure 20 It is a functional block diagram showing an example of the configuration of the heater driving unit 24A according to the modification.
[0214] Such as Figure 20 As shown, in this modified example, the clock signal CLK[ 1 ] is supplied to the heater drive unit 24A. In addition, the heater drive unit 24A includes (K-1) delay units DL[2] to DL[k] corresponding to (K-1) pulse signal generation units HK[2] to HK[K] in one-to-one correspondence. . The delay unit DL[k] delays the phase of the clock signal CLK[k−1] to generate the clock signal CLK[k]. ...
Deformed example 12
[0229] In the above-mentioned embodiments and modifications, the pulse signal generator HK[k] maintains the signal level of the pulse signal Q[k] at a high level at the initial heating time Tini[k], but the present invention does not is limited in this way. The pulse signal generator HK[k] may generate the pulse signal Q[k] by adjusting the pulse density of the pulse signal Q[k] based on the heater heating intensity information B[k].
[0230] Figure 22 is a timing chart for explaining an example of the pulse signal Q[k] according to this modification.
[0231] Such as Figure 22 As shown, in the pulse signal Q[k] according to this modified example, a plurality of initial pulses PlsT[k] are provided at the initial heating time Tini[k]. In this modified example, the initial pulse PlsT[k] has a waveform that rises from a low level to a high level and then falls from a high level to a low level after a predetermined time.
[0232] In this modified example, the pulse signal ge...
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