Abstract: A liquid ejecting apparatus includes a drive circuit that outputs a drive signal, a piezoelectric element that includes a first electrode to which the drive signal is supplied and a second electrode to which a reference voltage signal is supplied and that is displaced by a potential difference between the first electrode and the second electrode, a cavity that is filled with a liquid ejected from a nozzle according to the displacement of the piezoelectric element, a vibration plate that is provided between the cavity and the piezoelectric element, a detection circuit that detects whether or not a voltage variation of the drive signal is within a predetermined range, and a determination circuit that determines whether or not the drive signal is normal based on a detection result of the detection circuit.

Abstract: A liquid ejecting apparatus includes a drive circuit that outputs a drive signal, a criterion voltage circuit that outputs a criterion voltage signal from a criterion voltage-signal output terminal, a piezoelectric element that includes a first electrode to which the drive signal is supplied and a second electrode to which the criterion voltage signal is supplied, a cavity, and a vibration plate which is provided between the cavity and the piezoelectric element. The criterion voltage circuit includes a voltage generation unit that generates the criterion voltage signal, and a voltage detection unit that detects a voltage value of the criterion voltage signal. In a case where the voltage value of the criterion voltage signal is greater than a first threshold, the voltage detection unit stops an operation of the voltage generation unit and electrically connects the criterion voltage-signal output terminal and a ground terminal to each other.

Abstract: A liquid ejecting apparatus includes a piezoelectric element that includes a first electrode to which a drive signal is supplied and a second electrode to which a criterion voltage signal is supplied, and performs displacement by a potential difference between the first electrode and the second electrode, a cavity which is filled with a liquid, a vibration plate provided between the cavity and the piezoelectric element, and a first switching circuit that includes a first terminal to which the drive signal is supplied and a second terminal which is electrically connected to the first electrode and controls a supply of the drive signal to the first electrode. The liquid ejecting apparatus has a first mode in which charges at a first node at which the first electrode and the second terminal are electrically connected to each other are released via a parasitic diode of the first switching circuit.

Abstract: There is provided a driving circuit for driving a capacitive load including: a modulation portion which generates a modulation signal pulse-modulated from a source signal; a gate driver which generates an amplification control signal based on the modulation signal; a transistor which generates an amplification modulation signal amplified from the modulation signal based on the amplification control signal; a low pass filter which demodulates the amplification modulation signal and generates a driving signal; a feedback circuit which sends back the driving signal to the modulation portion; a boosting circuit which supplies a voltage which has been boosted.

Abstract: An object of the present invention is to provide: a soy milk having a pleasant flavor and suppressed soybean odor, raw smell, astringency, and so forth; and a method for producing the soy milk. Specifically, provided are: the soy milk; a soy-milk flavor improver containing, as an active ingredient, a triacylglycerol having a medium-chain fatty acid with 6 to 12 carbon atoms as a constituent fatty acid; an improved soy milk containing a soy milk and the soy-milk flavor improver; and a food and a drink containing the improved soy milk. A method for producing the improved soy milk is also provided.

Abstract: A liquid discharge apparatus includes: an modulation circuit that generates a modulated signal by pulse-modulating a source signal through self-oscillation; a transistor that amplifies the modulated signal to generate an amplified modulated signal; a low-pass filter that includes an inductor and a capacitor and smoothes the amplified modulated signal to generate a drive signal; a feedback circuit that allows the drive signal to return to the modulation circuit; a piezoelectric element that is displaced by application of the drive signal thereto; a cavity that is filled with a liquid inside and has an internal volume which changes when the piezoelectric element is displaced; and a nozzle that is provided to discharge the liquid inside the cavity in response to the change of the internal volume of the cavity. In this configuration, a self-resonant frequency of the capacitor is higher than a frequency of the self-oscillation.

Abstract: A drive circuit for driving a capacitive load is provided. The drive circuit includes a modulation circuit that generates a modulated signal by pulse-modulating a source signal through self-oscillation; a pair of transistors that include a high-side transistor and a low-side transistor and amplify the modulated signal to generate an amplified modulated signal; and a low-pass filter that includes a capacitor and smoothes the amplified modulated signal to generate a drive signal which is applied to the capacitive load, wherein the shortest distance between a low-side transistor and the capacitor is shorter than a shortest distance between the high-side transistor and the capacitor.

Abstract: There is provided a driving circuit for driving a capacitive load including: a modulation portion which generates a modulation signal pulse-modulated from a source signal; a gate driver which generates an amplification control signal based on the modulation signal; a transistor which generates an amplification modulation signal amplified from the modulation signal based on the amplification control signal; a low pass filter which demodulates the amplification modulation signal and generates a driving signal; a feedback circuit which sends back the driving signal to the modulation portion; a boosting circuit which supplies a voltage which has been boosted.

Abstract: There is provided a liquid discharging apparatus including: a modulation portion which generates a modulation signal pulse-modulated from a source signal; a gate driver which generates an amplification control signal based on the modulation signal; a transistor which generates an amplification modulation signal amplified from the modulation signal based on the amplification control signal; a low pass filter which demodulates the amplification modulation signal and generates a driving signal; a feedback circuit which sends back the driving signal to the modulation portion; a boosting circuit which supplies a voltage which has been boosted based on any one of a first clock signal and a second clock signal to the gate driver; a boosting control portion which controls boosting in the boosting circuit; and a piezoelectric element which is displaced as the driving signal is applied.

Abstract: A drive circuit for driving a capacitive load is provided. The drive circuit includes a modulation circuit that generates a modulated signal by pulse-modulating a source signal through self-oscillation; a pair of transistors that include a high-side transistor and a low-side transistor and amplify the modulated signal to generate an amplified modulated signal; and a low-pass filter that includes a capacitor and smoothes the amplified modulated signal to generate a drive signal which is applied to the capacitive load, wherein the shortest distance between a low-side transistor and the capacitor is shorter than a shortest distance between the high-side transistor and the capacitor.

Abstract: An object of the present invention is to provide: a soy milk having a pleasant flavor and suppressed soybean odor, raw smell, astringency, and so forth; and a method for producing the soy milk. Specifically, provided are: the soy milk; a soy-milk flavor improver containing, as an active ingredient, a triacylglycerol having a medium-chain fatty acid with 6 to 12 carbon atoms as a constituent fatty acid; an improved soy milk containing a soy milk and the soy-milk flavor improver; and a food and a drink containing the improved soy milk. A method for producing the improved soy milk is also provided.

Abstract: Provided is a powdered oil or fat composition comprising as essential components: an edible oil or fat; an indigestible dextrin; and a casein salt. It is preferable that the powdered oil or fat composition comprises 5 to 84.9% by mass of the edible oil or fat, 5 to 85% by mass of the indigestible dextrin, 0.1 to 10% by mass of the casein salt, and 0.1 to 2% by mass of the edible emulsifier. This makes it possible to provide a powdered oil or fat composition from which no oil or fat bleeds out and which is excellent in flavor, texture, flowability, and water-dispersibility, and a method for producing the powdered oil or fat composition.

Abstract: A liquid discharge apparatus includes: an modulation circuit that generates a modulated signal by pulse-modulating a source signal through self-oscillation; a transistor that amplifies the modulated signal to generate an amplified modulated signal; a low-pass filter that includes an inductor and a capacitor and smoothes the amplified modulated signal to generate a drive signal; a feedback circuit that allows the drive signal to return to the modulation circuit; a piezoelectric element that is displaced by application of the drive signal thereto; a cavity that is filled with a liquid inside and has an internal volume which changes when the piezoelectric element is displaced; and a nozzle that is provided to discharge the liquid inside the cavity in response to the change of the internal volume of the cavity. In this configuration, a self-resonant frequency of the capacitor is higher than a frequency of the self-oscillation.

Abstract: A liquid discharge apparatus includes: a modulation circuit that generates a modulated signal by pulse-modulating a source signal through self-oscillation; a pair of transistors that include a high-side transistor and a low-side transistor and amplify the modulated signal to generate an amplified modulated signal; a low-pass filter that includes an inductor and a capacitor and smoothes the amplified modulated signal to generate a drive signal; a piezoelectric element that is displaced by application of the drive signal thereto; a cavity that is filled with a liquid inside and has an internal volume which changes when the piezoelectric element is displaced; and a nozzle that is provided to discharge the liquid inside the cavity in response to the change of the internal volume of the cavity. A shortest distance between the low-side transistor and the capacitor is shorter than a shortest distance between the high-side transistor and the capacitor.

Abstract: There is provided a liquid discharging apparatus including: a modulation portion which generates a modulation signal pulse-modulated from a source signal; a gate driver which generates an amplification control signal based on the modulation signal; a transistor which generates an amplification modulation signal amplified from the modulation signal based on the amplification control signal; a low pass filter which demodulates the amplification modulation signal and generates a driving signal; a feedback circuit which sends back the driving signal to the modulation portion; a boosting circuit which supplies a voltage which has been boosted based on any one of a first clock signal and a second clock signal to the gate driver; a boosting control portion which controls boosting in the boosting circuit; and a piezoelectric element which is displaced as the driving signal is applied.

Abstract: A liquid discharge apparatus includes: an modulation circuit that generates a modulated signal by pulse-modulating a source signal through self-oscillation; a transistor that amplifies the modulated signal to generate an amplified modulated signal; a low-pass filter that includes an inductor and a capacitor and smoothes the amplified modulated signal to generate a drive signal; a feedback circuit that allows the drive signal to return to the modulation circuit; a piezoelectric element that is displaced by application of the drive signal thereto; a cavity that is filled with a liquid inside and has an internal volume which changes when the piezoelectric element is displaced; and a nozzle that is provided to discharge the liquid inside the cavity in response to the change of the internal volume of the cavity. In this configuration, a self-resonant frequency of the capacitor is higher than a frequency of the self-oscillation.

Abstract: A liquid discharge apparatus includes: a modulation circuit that generates a modulated signal by pulse-modulating a source signal through self-oscillation; a pair of transistors that include a high-side transistor and a low-side transistor and amplify the modulated signal to generate an amplified modulated signal; a low-pass filter that includes an inductor and a capacitor and smoothes the amplified modulated signal to generate a drive signal; a piezoelectric element that is displaced by application of the drive signal thereto; a cavity that is filled with a liquid inside and has an internal volume which changes when the piezoelectric element is displaced; and a nozzle that is provided to discharge the liquid inside the cavity in response to the change of the internal volume of the cavity. A shortest distance between the low-side transistor and the capacitor is shorter than a shortest distance between the high-side transistor and the capacitor.

Abstract: A liquid discharge apparatus includes: an modulation circuit that generates a modulated signal by pulse-modulating a source signal through self-oscillation; a transistor that amplifies the modulated signal to generate an amplified modulated signal; a low-pass filter that includes an inductor and a capacitor and smoothes the amplified modulated signal to generate a drive signal; a feedback circuit that allows the drive signal to return to the modulation circuit; a piezoelectric element that is displaced by application of the drive signal thereto; a cavity that is filled with a liquid inside and has an internal volume which changes when the piezoelectric element is displaced; and a nozzle that is provided to discharge the liquid inside the cavity in response to the change of the internal volume of the cavity. In this configuration, a self-resonant frequency of the capacitor is higher than a frequency of the self-oscillation.

Abstract: A printing apparatus includes a first detection terminal and a second detection terminal which contact with respective two first terminals of each of printing material containers; a third detection terminal and a fourth detection terminal which contact with respective two second terminals of each of the printing material containers; a first detection unit detects a first detection signal from the first detection terminal via a first attachment detection path; and a second detection unit detects a second detection signal from the third detection terminal via a second attachment detection path. The first detection unit detects a short circuit occurring between the second detection terminal and the third detection terminal on the basis of the second detection signal, and the second detection unit detects a short circuit occurring between the first detection terminal and the fourth detection terminal on the basis of the first detection signal.

Abstract: A printing apparatus includes a first detection terminal and a second detection terminal which contact with respective two first terminals of each of printing material containers; a third detection terminal and a fourth detection terminal which contact with respective two second terminals of each of the printing material containers; a first detection unit detects a first detection signal from the first detection terminal via a first attachment detection path; and a second detection unit detects a second detection signal from the third detection terminal via a second attachment detection path. The first detection unit detects a short circuit occurring between the second detection terminal and the third detection terminal on the basis of the second detection signal, and the second detection unit detects a short circuit occurring between the first detection terminal and the fourth detection terminal on the basis of the first detection signal.