Abstract: A liquid ejecting apparatus includes a drive signal generation section which generates a drive signal and a liquid ejecting head. The drive signal is a periodic signal. One period of the drive signal has two durations of (i) a droplet ejection duration with a waveform part used to eject the droplet from the nozzle and (ii) a droplet non-ejection duration without the waveform part used to eject the droplet from the nozzle, and the droplet non-ejection duration is equal to or longer than the droplet ejection duration.

Abstract: A printing apparatus includes a first head that forms a first dot group and a second head that forms a second dot group. The first head has a first nozzle row for a first chromatic ink and a second nozzle row for a second chromatic ink. The second head has a third nozzle row for the first chromatic ink and a fourth nozzle row for the second chromatic ink. With respect to at least the first chromatic ink or the second chromatic ink, in a case in which the number of dots that configure dot rows that are lined up in the main scanning direction, is 3500 or more, a rational number, which is expressed using a number of dots included in the first dot group and a number of dots included in the second dot group in the dot rows, is a value other than zero.

Abstract: An image forming apparatus includes a receiving unit; a data saving unit; a drawing data generating unit; a log storage unit that stores a processing log; an image forming unit; and a data management unit. The data management unit, when the print job is analyzed as a time designated print job; causes the data generating unit to generate the drawing data; causes the data saving unit to save the drawing data; that, when analyzed printing being enabled at the designated print time, causes the image forming unit to perform image formation based on the drawing data and causes the log storage unit to store therein a processing log; and that, when printing is analyzed as disabled at the designated print time, performs processing corresponding to a print disabled state preset and causes the log storage unit to store therein a processing log about the processing.

Abstract: A plasma generation method in a toroidal plasma generator that includes a gas passage having a gas entrance and a gas outlet and forming a circuitous path and a coil wound around a part of the gas passage includes the steps of supplying a mixed gas of an Ar gas and an NF3 gas containing at least 5% of NF3 and igniting plasma by driving the coil with a high-frequency power, wherein the plasma ignition step is conducted under a total pressure of 6.65-66.5 Pa.

Abstract: Provided are an acoustic wave device and a method for manufacturing the same, the acoustic wave device being effectively prevented from expanding and contracting due to temperature change and having a small frequency shift. The acoustic wave device of the present invention has a piezoelectric substrate (1) having an IDT (2) formed on one principal surface of the piezoelectric substrate (1), and a thermal spray film (3) formed on an opposite principal surface (1b) of the piezoelectric substrate (1), the thermal spray film being of a material having a smaller linear thermal expansion coefficient than the piezoelectric substrate (1) and having grain boundaries and pores (4), at least a part of which is filled with a filling material (5).

Abstract: A liquid ejecting apparatus includes: a carriage that moves in an orthogonal direction that is orthogonal to a transport direction in which a medium is transported; and a head unit, provided in the carriage, that includes a nozzle, a driving element that causes a liquid to be ejected through the nozzle, a head control unit that controls the driving of the driving element by selectively applying a driving signal to the driving element, and a head case that has a part formed of a metal member and that houses the head control unit within the case in a state in which the head control unit makes contact with the metal member.

Abstract: A liquid ejecting apparatus including, a control unit including a digital signal generation unit which generates a digital signal defining the shape of the signal waveform, an analog voltage signal generation unit which generates an analog voltage signal on the basis of the digital signal, and a current signal generation unit which generates a current signal of a magnitude corresponding to a waveform of the analog voltage signal, a head unit including, a voltage signal generation unit which generates a voltage signal by detecting a potential difference between two points which are different from each other in a path to which the current signal flows, and by amplifying the potential difference, and an element which is driven by the voltage signal, and causes liquid to be ejected from a nozzle, and a transmission unit which transmits the current signal to the head unit from the control unit.

Abstract: A printing device is connected to a host apparatus and a lower level printing device. When the printing device receives printing target data from the host apparatus, it sends the same printing target data to the lower level printing device. A printing unit prints the printing target data on a recording medium on a page by page basis. A data-delete command issuing unit, for each printed page printed by the printing unit, issues a print data deleting command to the lower level printing device to instruct the lower level printing device to delete a portion of the printing target data corresponding to the printed page.

Abstract: A printing control apparatus includes a print commanding unit that sends a notice of printing data and printing start command to a printing unit on sheets supplied from a normal tray or a bypass tray. The print commanding unit includes a condition determining unit that determines whether a sheet supplying condition set with respect to the printing data and a status of the printing unit satisfy a condition for the bypass tray; a checkup screen display unit that displays a checkup screen relating to the sheet supply from the bypass tray in a case where it is determined that the condition is satisfied; and a notice permitting unit that permits a notice of a printing start command in a case where a notice indicating agreement for printing is received.

Abstract: A processing apparatus includes a gas supply passage for supplying a corrosive gas having a halogen, a part of the passage being made of a metal; a stabilization reaction unit which has an energy generator for supplying light energy or heat energy to the corrosive gas that has passed through the metallic part of the gas supply passage and/or has an obstacle configured to apply a collision energy to the corrosive gas that has passed through the metallic part of the gas supply passage, the collision energy being generated from a collision between the obstacle and said corrosive gas. A reaction for stabilizing a compound containing the metal and the halogen contained in the corrosive gas takes place by means of at least one of the light energy, heat energy, and collision energy; and a trapping unit which traps the compound stabilized in the stabilization reaction unit.

Abstract: An image forming apparatus includes a receiving unit; a data saving unit; a drawing data generating unit; a log storage unit that stores a processing log; an image forming unit; and a data management unit. The data management unit, when the print job is analyzed as a time designated print job; causes the data generating unit to generate the drawing data; causes the data saving unit to save the drawing data; that, when analyzed printing being enabled at the designated print time, causes the image forming unit to perform image formation based on the drawing data and causes the log storage unit to store therein a processing log; and that, when printing is analyzed as disabled at the designated print time, performs processing corresponding to a print disabled state preset and causes the log storage unit to store therein a processing log about the processing.

Abstract: A liquid ejecting apparatus having a missing dot detection function capable of performing rapid and accurate missing dot detection with a simple configuration is provided. A liquid ejecting apparatus having a recording head that performs an ejection of ink droplets through nozzle orifices toward a recording sheet includes the recording head having a pair of electrodes electrically disconnected from each other and disposed around the nozzle orifices, wherein the ink droplets have a conductive property; continuity detector that detects the electrodes are electrically connected or disconnected during the ejection; and control means that controls the ejection of the ink droplets by the recording head.

Abstract: A driving circuit that drives a capacitive load includes a drive signal generator that generates a drive signal driving the capacitive load via a transistor pair in response to an analog signal, and a power-source voltage generator that generates a high-voltage power-source voltage and a low-voltage power-source voltage and that supplies the high-voltage power-source voltage and the low-voltage power-source voltage respectively to collectors of the transistors of the transistor pair via a high-voltage output terminal and a low-voltage output terminal. The power-source voltage generator includes multiple power sources connected in parallel, a backcurrent prevention diode connected between the adjacent power sources, and a switch unit that connects the adjacent power sources in series under the on-off control of a controller each time the drive signal rises above a predetermined threshold value or falls below a predetermined threshold value.

Abstract: A driving circuit for a capacitive load includes a driving signal generating unit that generates a driving signal for driving the capacitive load by using a pair of driving transistors. A power source voltage generating unit generates high-voltage and low-voltage power source voltages that are higher and lower, respectively, than the voltage of the driving signal and applies the voltages to collectors of the driving transistors. The power source voltage generating unit includes a pair of power source transistors and a capacitor. The low-voltage power source voltage is generated in an output side of the power-source transistor pair as a voltage that is in a voltage region lower than that of the driving signal and follows the driving signal. The high-voltage power source voltage is output from a high-voltage terminal of the capacitor, is in a voltage region higher than that of the driving signal, and follows the driving signal.

Abstract: A driving circuit that drives a capacitive load includes a drive signal generator that generates a drive signal that drives the capacitive load via a transistor pair in response to an analog signal. A power-source voltage generator generates high-voltage and low-voltage power-source voltages and supplies the power-source voltages to collectors of the transistors via a high-voltage output terminal and a low-voltage output terminal. The power-source voltage generator includes multiple power sources connected in parallel and a switch unit that connects the adjacent power sources in series each time the drive signal rises above or falls below a predetermined threshold value. The driving circuit further includes a voltage controlling capacitor connected to the low-voltage output terminal of the power source, and a power recovery unit having a switch unit that recovers a charge accumulated in the voltage controlling capacitor back to the power source via the high-voltage output terminal.

Abstract: Provided are an acoustic wave device and a method for manufacturing the same, the acoustic wave device being effectively prevented from expanding and contracting due to temperature change and having a small frequency shift. The acoustic wave device of the present invention has a piezoelectric substrate (1) having an IDT (2) formed on one principal surface of the piezoelectric substrate (1), and a thermal spray film (3) formed on an opposite principal surface (1b) of the piezoelectric substrate (1), the thermal spray film being of a material having a smaller linear thermal expansion coefficient than the piezoelectric substrate (1) and having grain boundaries and pores (4), at least a part of which is filled with a filling material (5).

Abstract: Provided is a method for manufacturing an acoustic wave device that has an excellent temperature coefficient of frequency (TCF) and high accuracy of IDT pattern forming and is capable of resisting high temperature processing of 200 degrees or more. The method for manufacturing an acoustic wave device according to the present invention includes forming an IDT (2) on a principal surface (1a) of a piezoelectric substrate (1), and forming a film by thermal spraying a material (3) having a smaller linear thermal expansion coefficient than the piezoelectric substrate onto an opposite principal surface (1b) of the piezoelectric substrate (1) where the IDT (2) is formed.

Abstract: A plasma generation method in a toroidal plasma generator that includes a gas passage having a gas entrance and a gas outlet and forming a circuitous path and a coil wound around a part of the gas passage includes the steps of supplying a mixed gas of an Ar gas and an NF3 gas containing at least 5% of NF3 and igniting plasma by driving the coil with a high-frequency power, wherein the plasma ignition step is conducted under a total pressure of 6.65-66.5 Pa.

Abstract: An electrically-chargeable element control device includes a plurality of coils, a switch circuit, and a controller. One end of each of a plurality of the coils is connected to a power supply. The switch circuit is connected to an other end of each of a plurality of the coils and is connected to one electrode provided on each of a plurality of electrically-chargeable elements. The controller connects a selected coil to an electrically-chargeable element to be charged and discharged by controlling the switch circuit depending on the number of the electrically-chargeable elements to be charged and discharged, and charges and discharges with resonance the electrically-chargeable element to be charged and discharged.

Abstract: There is disclosed a head driving device which drives a plurality of pressure generating elements for generating pressure fluctuation in a jetted object contained in each of associated pressure chambers formed in a jetting head of a jetting apparatus to eject the jetted object from each of nozzles communicated with the associated pressure chambers. In the device, a head driver generates a drive signal which is selectively applied to at least one of the pressure generating elements to be driven. A bias potential provider selectively applies a bias potential to at least one of the pressure generating elements not to be driven.