Seiko Epson Corporation

Shunya Fukuda

Motoki Takabe

Yuma Fukuzawa

Kazuaki Uchida

Akira Miyagishi

Nobuaki Ito

Eiju Hirai

Yoichi Naganuma

Toshiro Murayama

Shunsuke Watanabe

Takao Yamamoto

Shohei Mizuta

Noriaki Okazawa

Yuki Hanamura

Hajime Nakao

Tomonaga Hasegawa

Junichi Sano

Takahiro Katakura

Masato Shimada

Shiro Yazaki

Masao Nakayama

Yoichiro Kondo

Hiroki Miyajima

Mutsuhiko Ota

Yasuyuki Matsumoto

Akinori Taniuchi

Daisuke Yamada

Atsushi Toyofuku

Shiki Kumagai

Koji Asada

Daisuke Kobayashi

Masayuki Hayashi

A liquid ejecting system includes a head unit that includes a nozzle for ejecting a liquid, a pressure chamber communicating with the nozzle, and a drive element for applying pressure fluctuation to a liquid in the pressure chamber by supplying a drive pulse, a first connection portion that is communicably connected to a server through a network, a decision portion that decides a waveform of the drive pulse supplied to the drive element based on first input information, and a first input portion to which the first input information is input from the server through the first connection portion.

Liquid ejecting system

An ink jet system includes a head unit that includes a nozzle discharging ink, a pressure chamber communicating with the nozzle, and a drive element applying pressure fluctuation to the ink in the pressure chamber by supplying a drive pulse, an acquisition portion that acquires output information including one or both of first output information regarding the head unit and second output information regarding the ink used for the head unit, a first coupling portion that is communicably network-coupled to a server, a first output portion that outputs the output information to the server via the first coupling portion, a first input portion to which input information is input from the server via the first coupling portion, and a determination portion that determines a content of image processing for image data based on the input information.

Ink jet system

An ink jet system includes a head unit that includes a nozzle discharging ink, a pressure chamber communicating with the nozzle, and a drive element applying pressure fluctuation to the ink in the pressure chamber by supplying a drive pulse, an acquisition portion that acquires output information including first output information regarding the head unit and/or second output information regarding the ink used for the head unit, a first coupling portion that is communicably network-coupled to a server, a first output portion that outputs the output information to the server via the first coupling portion, a first input portion to which input information is input from the server via the first coupling portion, and a determination portion that determines the number of times of scanning or a scanning direction of the head unit with respect to a unit region on a medium based on the input information.

A liquid ejecting system includes a head unit that includes a pressure chamber, a drive element driven by an applied drive waveform, a vibration plate that vibrates by drive of the drive element, and a nozzle through which a liquid is ejected by a pressure applied in the pressure chamber by vibration of the vibration plate, and an input portion to which an input parameter for detecting an ejection failure of the liquid based on residual vibration of the vibration plate is input from a server through a network connection portion.

Liquid ejecting system and head unit

A first acquisition section that acquires first information unique to the liquid discharge head and second information related to the liquid discharge device is included. A determination section that determines whether or not correspondence relationship between the first information and the second information is stored in the server in advance is included in the server. A second transmission section that transmits third information related to a determination result of the determination section from the server is included. A second reception section that receives the third information is included. A first notification section that makes, based on the third information, a first notification to outside is included.

Liquid discharge system

A liquid ejecting system includes a head unit that includes a nozzle for ejecting a liquid, a pressure chamber communicating with the nozzle, and a drive element for applying pressure fluctuation to a liquid in the pressure chamber by supplying a drive pulse, an acquisition portion that acquires output information regarding a usage condition of the head unit, a first connection portion that is communicably connected to a server through a network, a first output portion that outputs the output information through the first connection portion, a first input portion to which input information regarding a waveform of the drive pulse supplied to the drive element is input through the first connection portion. A decision portion that decides the waveform of the drive pulse supplied to the drive element based on the input information.

A waveform determination method is disclosed that includes acquiring second timing information regarding a timing at which the flight distance of the droplet reaches the first distance when each of the plurality of waveform candidates indicated by the second waveform information is used, and a determination step of determining a waveform of each of the first drive pulse and the second drive pulse based on the first timing information and the second timing information.

Drive waveform determination method, non-transitory computer-readable storage medium storing drive waveform determination program, and drive waveform determination system

A liquid ejecting head includes first and second individual flow paths arranged side by side along a first direction; a first nozzle communicating with the first individual flow path; a second nozzle communicating with the second individual flow path; and a common liquid chamber coupled to the first and second individual flow paths. The first and second nozzles have openings in a nozzle surface having a second direction as a normal direction. The first individual flow path has a first upstream communication path extending between the first nozzle and the common liquid chamber along the second direction. The second individual flow path has a second upstream communication path extending between the second nozzle and the common liquid chamber along the second direction. The first upstream communication path and the second upstream communication path have parts which do not overlap each other when seen along the first direction.

Liquid ejecting head and liquid ejecting apparatus

the ejection amount per ejection from the nozzle when the distance between the nozzle and the recording medium is the first distance is equal to the ejection amount per ejection from the nozzle when the distance between the nozzle and the recording medium is the second distance.

Liquid ejecting apparatus

Provided is a liquid discharging head including: a nozzle discharging a liquid; a chamber plate having a plurality of pressure chambers, a drive element provided to correspond to each of the pressure chambers, and a plurality of lead electrodes for supplying an electric signal to the drive element; and a circuit substrate having a terminal coupled to the lead electrode. A first pressure chamber and a second pressure chamber communicate with the nozzle in common. The chamber plate includes a first individual lead electrode for the drive element corresponding to the first pressure chamber and a second individual lead electrode for the drive element corresponding to the second pressure chamber. The terminal of the circuit substrate is coupled so as to overlap the first individual lead electrode and the second individual lead electrode in plan view.

Liquid discharging head and liquid discharging apparatus

The controller controls ejection of liquid such that the first and second nozzles eject liquid at the same timing and the first and third nozzles eject liquid at different timings.

Liquid ejecting apparatus and liquid ejecting head

Provided is a liquid discharging head including a nozzle discharging a liquid; a chamber plate in which a plurality of pressure chambers are arranged side by side on a first surface side; and a flow path plate having a second surface formed with an opening of a communication flow path, wherein a first region of a partition wall between a first pressure chamber and a second pressure chamber adjacent to each other among the plurality of pressure chambers is constrained by being bonded to the second surface of the flow path plate, and a second region of the partition wall overlaps the opening of the communication flow path in plan view.

Provided is a liquid discharging head including: a nozzle discharging a liquid; a pressure chamber row in which a plurality of pressure chambers communicating with the nozzle are arranged side by side along a first axis direction; and a first reservoir and a second reservoir commonly communicating with the plurality of pressure chambers, in which the pressure chamber row includes a first pressure chamber communicating with the first reservoir and a second pressure chamber communicating with the second reservoir, and the liquid discharging head further comprises a communication flow path causing the first pressure chamber and the second pressure chamber to commonly communicate with one nozzle.

Provided is a liquid discharging head including: a nozzle discharging a liquid; a chamber plate having a plurality of pressure chambers, drive elements provided in correspondence with each pressure chamber, and a plurality of lead electrodes for supplying electric signals to the drive elements; and a circuit substrate having terminals coupled to the lead electrodes. A first pressure chamber and a second pressure chamber communicate with the nozzle in common. A first segment electrode is formed so as to overlap the first pressure chamber and is not to overlap the second pressure chamber in plan view. A second segment electrode is formed so as to overlap the second pressure chamber and is not to overlap the first pressure chamber in plan view. The first segment electrode and the second segment electrode are coupled to the same lead electrode.

A first drive waveform includes, in the following order: a first section in which voltage is changed, a second section in which the voltage is maintained, and a third section in which the voltage is changed in a direction opposite to another direction in which the voltage is changed in the first section. A second drive waveform includes, in the following order: a fourth section in which voltage is changed, a fifth section in which the voltage is maintained, and a sixth section in which the voltage is changed in a direction opposite to another direction in which the voltage is changed in the fourth section. The voltage applied to a piezoelectric element in the second section is higher than the voltage applied to the piezoelectric element in the fifth section. The period of the first drive waveform is shorter than the period of the second drive waveform.

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Azumino, Japan

Shunya Fukuda