Abstract: A plurality of wall surfaces that constitute inner walls of the pressure compartment includes a surface of the recessed portion and the first wall surface, and an angle formed by the first surface and the first wall surface is greater than 90° and less than 180°.

Abstract: a plurality of wall surfaces that constitute inner walls of the pressure compartment includes a surface of the recessed portion and the first wall surface, and an angle formed by the first surface and the first wall surface is greater than 90° and less than 180°.

Abstract: In a liquid ejection control device, an ejection tube section type acquisition unit discriminates an ejection tube section type of an ejection tube section mounted in a main body section, and acquires a fitted correspondence relationship fitting the discriminated ejection tube section type. A voltage amplitude setting unit sets a voltage amplitude of a drive voltage waveform so as to cause kinetic energy to meet an energy instruction value input by using an energy dial based on a rising index value related to rising of the drive voltage waveform and a repetitive frequency instruction value input by using a repetitive frequency dial with reference to the fitted correspondence relationship.

Abstract: In a liquid ejection control device, an ejection tube section type acquisition unit discriminates an ejection tube section type of an ejection tube section mounted in a main body section, and acquires a fitted correspondence relationship fitting the discriminated ejection tube section type. A voltage amplitude setting unit sets a voltage amplitude of a drive voltage waveform so as to cause momentum to meet a momentum instruction value input by using a momentum dial based on a rising index value related to rising of the drive voltage waveform and a repetitive frequency instruction value input by using a repetitive frequency dial with reference to the fitted correspondence relationship.

Abstract: A liquid ejection control apparatus, which controls a drive voltage waveform applied to a piezoelectric element so as to control ejection of a pulsed liquid jet, includes a first operation unit that receives input of an index value for setting a position of an inflection point in a rising portion of the drive voltage waveform, and a control unit that sets the position of the inflection point in the rising portion of the drive voltage waveform according to the index value so as to control changing of the drive voltage waveform.

Abstract: In a liquid ejection control apparatus, an operation unit includes adjustment levers for changing a rising frequency, voltage amplitude, and the like of a drive voltage waveform applied to a piezoelectric element. In a control unit, a rising frequency setting section sets a rising frequency in response to an input operation on a rising frequency adjustment lever so as to make constant a change amount regarding momentum related to a pulsed liquid jet ejected from a liquid ejection device and the change amount per unit operation level for the rising frequency adjustment lever in a state in which voltage amplitude of the drive voltage waveform is set to a predetermined value.

Abstract: In a liquid ejection control apparatus, an operation unit includes an adjustment lever that is used to input an indication value of momentum or kinetic energy related to a pulsed liquid jet ejected from a liquid ejection device. A control unit includes a frequency setting portion that sets a rising frequency of a drive voltage waveform applied to a piezoelectric element and an amplitude setting portion that sets the amplitude of the drive voltage waveform, so that momentum or kinetic energy has an indication value.

Abstract: In a liquid ejection control apparatus, an operation unit includes an energy dial used to input an energy indication value related to kinetic energy of a pulsed liquid jet ejected from a liquid ejection device, and a repetition frequency dial used to input a repetition frequency indication value related to the number of times of ejection per unit time of the pulsed liquid jet. A control unit includes a rising waveform shape setting section which sets a rising waveform shape of a drive voltage waveform so that the kinetic energy has the energy indication value on the basis of voltage amplitude of the drive voltage waveform and the repetition frequency indication value. The repetition frequency dial may be omitted, and a repetition frequency may be fixed to a predetermined value.

Abstract: A liquid ejection control apparatus, which controls a drive voltage waveform applied to a piezoelectric element so as to control ejection of a pulsed liquid jet, includes a first operation unit that receives input of an index value for setting a flow velocity peak timing of a main jet of the pulsed liquid jet, and a control unit that sets a rising portion of the drive voltage waveform according to the index value so as to control changing of the drive voltage waveform.

Abstract: A liquid ejection control apparatus, which controls a drive voltage waveform applied to a piezoelectric element so as to control ejection of a pulsed liquid jet, includes a first operation unit that receives input of an index value for setting a flow velocity peak timing of a main jet of the pulsed liquid jet, and a control unit that sets a rising portion of the drive voltage waveform according to the index value so as to control changing of the drive voltage waveform.

Abstract: A liquid ejection control apparatus, which controls a drive voltage waveform applied to a piezoelectric element so as to control ejection of a pulsed liquid jet, includes a first operation unit that receives input of an index value for setting a position of an inflection point in a rising portion of the drive voltage waveform, and a control unit that sets the position of the inflection point in the rising portion of the drive voltage waveform according to the index value so as to control changing of the drive voltage waveform.

Abstract: In a liquid ejection control apparatus, an operation unit includes an energy dial used to input an energy indication value related to kinetic energy of a pulsed liquid jet ejected from a liquid ejection device, and a repetition frequency dial used to input a repetition frequency indication value related to the number of times of ejection per unit time of the pulsed liquid jet. A control unit includes a rising waveform shape setting section which sets a rising waveform shape of a drive voltage waveform so that the kinetic energy has the energy indication value on the basis of voltage amplitude of the drive voltage waveform and the repetition frequency indication value. The repetition frequency dial may be omitted, and a repetition frequency may be fixed to a predetermined value.

Abstract: In a liquid ejection control device, an operation unit includes a momentum dial for inputting a momentum instructing value related to momentum of a pulsed liquid jet ejected from a liquid ejection device, and a repetitive frequency dial for inputting a repetitive frequency instructing value related to the number of times ejection of the pulsed liquid occurs per unit time. In addition, a controller includes a voltage magnitude setting section that sets voltage magnitude of the drive voltage waveform such that the momentum becomes the momentum instructing value, based on a rising index value related to rising of the drive voltage waveform and the repetitive frequency instructing value.

Abstract: In a liquid ejection control device, an operation unit includes an energy dial for inputting an energy instructing value related to kinetic energy of a pulsed liquid jet ejected from a liquid ejection device, and a repetitive frequency dial for inputting a repetitive frequency instructing value related to the number of times ejection of the pulsed liquid occurs per unit time. In addition, a controller includes a voltage magnitude setting section that sets voltage magnitude of the drive voltage waveform such that the kinetic energy becomes the energy instructing value, based on a rising index value related to rising of the drive voltage waveform and the repetitive frequency instructing value.

Abstract: In a liquid ejection control device, an operation unit includes a momentum dial for inputting a momentum instructing value related to momentum of a pulsed liquid jet ejected from a liquid ejection device, and a repetitive frequency dial for inputting a repetitive frequency instructing value related to the number of times ejection of the pulsed liquid occurs per unit time. In addition, a controller includes a rising frequency setting section that sets a rising frequency as a rising index value related to rising of a drive voltage waveform such that the momentum becomes the momentum instructing value, based on voltage magnitude of the drive voltage waveform and the repetitive frequency instructing value.

Abstract: In a liquid ejection control device, an operation unit includes an energy dial for inputting an energy instructing value related to kinetic energy of a pulsed liquid jet ejected from a liquid ejection device, and a repetitive frequency dial for inputting a repetitive frequency instructing value related to the number of times ejection of the pulsed liquid occurs per unit time. In addition, a controller includes a rising frequency setting section that sets rising frequency as a rising index value related to rising of a drive voltage waveform such that the kinetic energy becomes the energy instructing value, based on voltage magnitude of the drive voltage waveform and the repetitive frequency instructing value.

Abstract: In a liquid ejection control device, an operation unit includes a momentum dial for inputting a momentum instructing value related to momentum of a pulsed liquid jet ejected from a liquid ejection device, and a repetitive frequency dial for inputting a repetitive frequency instructing value related to the number of times ejection of the pulsed liquid occurs per unit time. In addition, a controller includes a voltage magnitude setting section that sets voltage magnitude of the drive voltage waveform such that the momentum becomes the momentum instructing value, based on a rising index value related to rising of the drive voltage waveform and the repetitive frequency instructing value.

Abstract: In a liquid ejection control device, an ejection tube section type acquisition unit discriminates an ejection tube section type of an ejection tube section mounted in a main body section, and acquires a fitted correspondence relationship fitting the discriminated ejection tube section type. A voltage amplitude setting unit sets a voltage amplitude of a drive voltage waveform so as to cause momentum to meet a momentum instruction value input by using a momentum dial based on a rising index value related to rising of the drive voltage waveform and a repetitive frequency instruction value input by using a repetitive frequency dial with reference to the fitted correspondence relationship.

Abstract: In a liquid ejection control device, an ejection tube section type acquisition unit discriminates an ejection tube section type of an ejection tube section mounted in a main body section, and acquires a fitted correspondence relationship fitting the discriminated ejection tube section type. A voltage amplitude setting unit sets a voltage amplitude of a drive voltage waveform so as to cause kinetic energy to meet an energy instruction value input by using an energy dial based on a rising index value related to rising of the drive voltage waveform and a repetitive frequency instruction value input by using a repetitive frequency dial with reference to the fitted correspondence relationship.

Abstract: In a liquid ejection control device, an operation unit includes a momentum dial for inputting a momentum instructing value related to momentum of a pulsed liquid jet ejected from a liquid ejection device, and a repetitive frequency dial for inputting a repetitive frequency instructing value related to the number of times ejection of the pulsed liquid occurs per unit time. In addition, a controller includes a rising frequency setting section that sets a rising frequency as a rising index value related to rising of a drive voltage waveform such that the momentum becomes the momentum instructing value, based on voltage magnitude of the drive voltage waveform and the repetitive frequency instructing value.