Circuit of multiplexing inkjet print system and control circuit thereof

A control circuit of a multiplexing inkjet print system, for driving at least one heater circuit, comprising:

• a signal generating unit, for generating an enable signal according to a first clock signal and a data;
• a shift register, for shifting the data according to the first clock signal and a third clock signal, so as to generate i address signals, wherein i is a positive integer;
• a counter, electrically connected to the signal generating unit, for counting according to the enable signal, so as to generate a plurality of time counting signals;
• and
• N decoders, electrically connected to the counter, for respectively receiving a portion of the time counting signals, wherein each of the decoders is used to decode the received time counting signals to generate a plurality of start signals, and N is a positive integer equal to or greater than 2;
• wherein the drive control of the heater circuit is achieved through the address signals and N groups of the start signals.

A circuit of a multiplexing inkjet print system, for driving a plurality of jet orifices, comprising:

• a control circuit, comprising:
• a signal generating unit, for generating an enable signal according to a first clock signal and a data;
• a shift register, electrically connected to the signal generating unit, for shifting the data according to the enable signal and a second clock signal, so as to generate i address signals, wherein i is a positive integer;
• a counter, electrically connected to the signal generating unit, for counting according to the enable signal, so as to generate a plurality of time counting signals;
• and
• N decoders, electrically connected to the counter, for respectively receiving a portion of the time counting signals, wherein each of the decoders is used to decode the received time counting signals to generate a plurality of start signals, and N is a positive integer equal to or greater than 2;
• and
• an inkjet module, comprising at least one heater circuit corresponding to the jet orifices, wherein each of the heater circuits comprises:
• an AND gate logic switch, electrically connected to the shift register and the decoders, for performing a logic operation on one of the address signals and one of the start signals of each group, so as to generate a drive signal;
• a transistor switch, the gate of the transistor switch being electrically connected to the output end of the AND gate logic switch, so as to be turned on according to the drive signal;
• and
• a resistance element, one end of the resistance element being electrically connected to the drain of the transistor switch, and the other end being used to receive an appropriate voltage or current, so as to generate heat when the transistor switch is turned on, thereby driving the corresponding jet orifice.

A circuit of a multiplexing inkjet print system, for driving a plurality of jet orifices, comprising:

• a control circuit, comprising:
• a signal generating unit, for generating an enable signal according to a first clock signal and a data;
• a shift register, for shifting the data according to the first clock signal and a third clock signal, so as to generate i address signals, wherein i is a positive integer;
• a counter, electrically connected to the signal generating unit, for counting according to the enable signal, so as to generate a plurality of time counting signals;
• and
• N decoders, electrically connected to the counter, for respectively receiving a portion of the time counting signals, wherein each of the decoders is used to decode the received time counting signals to generate a plurality of start signals, and N is a positive integer equal to or greater than 2;
• and
• an inkjet module, comprising at least one heater circuit corresponding to the jet orifices, wherein each of the heater circuits comprises:
• an AND gate logic switch, electrically connected to the shift register and the decoders, for performing a logic operation on one of the address signals and one of the start signals of each group, so as to generate a drive signal;
• a transistor switch, the gate of the transistor switch being electrically connected to the output end of the AND gate logic switch, so as to be turned on according to the drive signal;
• and
• a resistance element, one end of the resistance element being electrically connected to the drain of the transistor switch, and the other end is used to receive an appropriate voltage or current, so as to generate heat when the transistor switch is turned on, thereby driving the corresponding jet orifice.