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Driving control device

A driving device and driving signal technology, applied in printing and other fields, can solve problems such as increasing equipment costs

Inactive Publication Date: 2015-04-01
MICROJET TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Current driving devices that require negative electricity usually require a negative voltage generating device to provide the negative voltage required to drive the driving device, which will increase the cost of equipment

Method used

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Embodiment Construction

[0023] A typical embodiment embodying the features and advantages of the present invention will be described in detail in the description in the following paragraphs. It should be understood that the invention is capable of various changes in different aspects without departing from the scope of the invention, and that the description and drawings are illustrative in nature and not limiting. this invention.

[0024] The present invention proposes a driving control device, which utilizes a common contact and a voltage switching circuit to generate a driving waveform of a negative voltage driving device, thereby saving the cost of equipment for generating negative voltage of the driving device. In addition, the drive control device of the present invention can be extended to form an H-bridge switch control circuit, or form a parallel multi-channel output circuit module to simultaneously drive multiple negative voltage drive devices to increase the waveform of the drive signal. ...

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Abstract

The invention discloses a driving control device which comprises a negative voltage driving device and a switch circuit, wherein the negative voltage driving device comprises a driving signal and a common contact; the driving signal is a positive voltage inputting source; the switch circuit comprises two groups of switches and a driving signal source circuit; one group of circuits is connected between the driving signal source circuit and the driving signal of the negative voltage driving device and is used for connecting the driving signal source circuit with the driving signal of the negative voltage driving device to form a positive voltage source input; and the other group of switches is connected between the driving signal source circuit and the common contact of the negative voltage driving device and is used for connecting the driving signal source circuit with the common contact of the negative voltage driving device to form a negative voltage difference, so that the running of the negative voltage driving device is driven.

Description

technical field [0001] The present invention relates to a printer device, more specifically, a drive control device for an inkjet head. Background technique [0002] Some drivers require a negative voltage to drive their waveform controls. Examples of such negatively charged driving devices are the inkjet head and the piezoelectric sheet of a conventional inkjet printer. The so-called negative voltage means that a positive voltage is applied to the common contact of the drive device and the potential of the drive signal contact is 0 voltage. In this case, the voltage difference from the driving signal point to the common point will be a negative voltage difference. Current driving devices that require negative electricity usually require a negative voltage generating device to provide the negative voltage required to drive the driving device, thus increasing the equipment cost. Moreover, the driving device requiring negative electricity is easily composed of parallel mult...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41J2/045
Inventor 林景松陈昱赫
Owner MICROJET TECH