An integrated circuit for a print component including a number of memory bits. The integrated circuit may include a selection circuit to select at least one memory bit of the number of memory bits and fire actuators of a fire pulse group. The integrated circuit may include a memory voltage regulator to provide a write voltage to the at least one memory bit of the number of memory bits.

A drive circuit for driving a first drive element having a first terminal and a second terminal and driving a second drive element having a third terminal and a fourth terminal, includes a first drive signal output circuit that is electrically coupled to the first terminal and outputs a first drive signal, and a second drive signal output circuit that is electrically coupled to the third terminal and outputs a second drive signal. The first drive signal output circuit includes a first reference voltage signal output circuit that outputs a first reference voltage signal. The first reference voltage signal output circuit is electrically coupled to the second terminal and the fourth terminal. The second drive signal output circuit is not electrically coupled to the second terminal and the fourth terminal. The first drive signal output circuit starts startup after the second drive signal output circuit.

In some examples, a fluid dispensing device includes a reservoir containing a fluid, fluidic actuators, and an interface to receive a data packet comprising information to control activation of the fluidic actuators, the data packet comprising a random number generated by a random number generator.

A driver circuit for receiving a voltage supply at a supply input and driving a load through a load output, the circuit comprising: a charge inductor and a discharge inductor; a switching array comprising a plurality of switches; and a load switch coupled between a first terminal of the charge inductor and the load output; the switching array being arranged so that: in a first mode it can couple a second terminal of the charge inductor to the supply input and the first terminal of the charge inductor to ground to load a flux on the charge inductor; in a second mode it can decouple the first terminal of the charge inductor from ground so that, when the load switch is closed, flux can flow from the inductor to the load output; and in a third mode it can couple the discharge inductor between the load output and ground so that flux can be loaded on the discharge inductor from the load output.

An ink-jet recording apparatus includes: head modules each including nozzles disposed in a row; a transporter that moves a recording medium with respect to the head modules in a direction intersecting with an arrangement direction of the nozzles; a recording controller that causes the nozzles to eject ink onto the recording medium and to form a dot based on image data; and a memory that stores arrangement position information indicating individual positional deviations of the nozzles in a relative movement direction of the head modules with respect to the recording medium. The head modules are disposed in the arrangement direction of the nozzles. The transporter causes a same point of the recording medium to pass through a position where upstream and downstream nozzles that correspond to two adjacent head modules eject ink.

A memory circuit for a print component including a plurality of I/O pads, including an analog pad, to connect to a plurality of signal paths which communicate operating signals to the print component. The memory circuit includes a controllable selector connected in line with one of the signal paths via the I/O pads, the selector controllable to disconnect the corresponding signal path to the print component, and a memory component to store memory values associated with the print component. A control circuit, in response to a sequence of operating signals received by the I/O pads representing a memory read, to operate the controllable selector to disconnect the signal path to the print component to block the memory read of the print component, and provide an analog signal to the analog pad to provide an analog electrical value at the analog pad representing stored memory values selected by the memory read.

A printing apparatus includes a print head provided with a discharge port that discharges liquid and a pressure chamber filled with the liquid to be discharged from the discharge port, and configured to perform a printing operation by discharging the liquid from the discharge port based on print data, includes a circulation unit that performs circulation of the liquid in a circulation passage including the pressure chamber in a state where the printing operation is performed, and includes a control unit that controls the circulation unit to continue the circulation for a predetermined time after the printing operation is completed.

An ink impact point correction apparatus for automatically measuring and correcting an impact point of ink using a pattern on a substrate, on which a coordinate system is displayed, and a substrate treating system including the same are provided. The ink impact point correction apparatus includes a recognition unit for acquiring information on the impact point of ink at a plurality of points located on a substrate; and a correction unit for correcting a position of an ink discharge point on the substrate based on the information on the impact point, wherein a coordinate pattern in the form of a coordinate system is formed at the plurality of points.

A liquid discharging apparatus includes: a liquid discharging head having nozzles; a purge mechanism which performs purge of discharging liquid from the nozzles; a signal outputting circuit which outputs signals depending on whether each of the nozzles is a failure nozzle which does not satisfy a predetermined discharging performance; a memory which stores, with respect to each of the nozzles, a value of an failure parameter regarding a number of times each of the nozzles is continuously determined to be the failure nozzle; and a controller. The controller performs failure nozzle determination with respect to at least a part of the nozzles as to whether each of at least the part of the nozzles is the failure nozzle, based on a signal from the signal outputting circuit, and updates the value of the failure parameter in the memory, based on a result of the failure nozzle determination.

A liquid discharging apparatus has: a discharging section that discharges a liquid when at least one of a first piezoelectric element and a second piezoelectric element is driven; In a first mode in which the driving signal is output from the second output portion, the switch control circuit controls the first switch so as not to create a continuity and controls the second switch so as to create a continuity. In a second mode in which the constant-voltage signal is output from the second output portion, the switch control circuit controls the first switch so as to create a continuity and controls the second switch so as not to create a continuity.