Liquid injection head and liquid injection recording device

Abstract

We provide liquid spray heads and other components that enable cost reduction. [Solution] A liquid spray head according to one embodiment of the present disclosure comprises a spray unit having a plurality of nozzles, and a plurality of drive boards to which setting signals supplied from an external print control unit are directly transmitted via a common signal line, and which output drive signals for spraying the liquid from the nozzles based on print data supplied from the print control unit. Each of the plurality of drive boards has one or more devices to which setting signals are transmitted via a common signal line. The print data includes the print data body and address data that defines a device address unique to each of the devices.

Claims

1. A liquid spray head that sprays liquid, A spray unit having multiple nozzles, A set signal supplied from the external print control unit of the liquid spray head is directly transmitted to each of them via a common signal line, and a plurality of drive boards output drive signals for spraying the liquid from the nozzle based on the print data supplied from the print control unit. Equipped with, Each of the aforementioned multiple drive boards has one or more devices to which the setting signal is transferred via the common signal line. The print data includes the print data itself and address data that defines a device address unique to each of the devices. Liquid spray head.

2. The print data further includes an identification signal for distinguishing the print data body from the address data. The liquid spray head according to claim 1.

3. The device has an address storage area for storing the device address. A liquid spray head according to claim 1 or claim 2.

4. The print data is parallel transfer data that is transferred in parallel from the print control unit. A liquid spray head according to claim 1 or claim 2.

5. The print data is serial transfer data that is serially transferred from the print control unit. A liquid spray head according to claim 1 or claim 2.

6. The device is a drive device or memory device that generates the drive signal based on the print data and the setting signal. A liquid spray head according to claim 1 or claim 2.

7. Multiple of the drive devices are provided on the drive board, Multiple of the aforementioned drive devices are cascaded to each other via the print data signal lines. The liquid spray head according to claim 6.

8. One or more liquid spray heads according to claim 1 or claim 2, The print control unit and A liquid injection recording device equipped with a liquid injection system.

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