Abstract: Provided is a toner comprising toner particles containing a binder resin and coloring matters, wherein the coloring matters comprise a dye represented by Formula (X-1), a metal compound represented by Formula (1) and a quinacridone pigment represented by Formula (2):

Abstract: A stirrer is for stirring by sound waves a liquid held by a vessel. The stirrer includes a sound wave generator that generates sound waves to be applied to the liquid; and a controller that controls a temperature of the liquid, increased by the sound waves emitted by the sound wave generator, at a predetermined temperature or less.

Abstract: A stirrer is for stirring a liquid held in a vessel by sound waves. The stirrer includes a sound wave generator that generates the sound waves to be applied to the liquid; and a controller that controls drive conditions for the sound wave generator in accordance with changes with time of flow arising in the liquid by the sound waves. An analyzer is for stirring and reacting different liquids to measure an optical property of a reaction liquid using the stirrer, and thus to analyze the reaction liquid.

Abstract: A liquid measuring device and an automatic analyzer which employs a resonance phenomenon of sound waves to detect an amount of a liquid reserved in a vessel with an opening are provided. The liquid measuring device includes a sound source that emits sound waves toward the opening, a control device that controls a frequency of the sound waves emitted by the sound source, a wave receiver that measures a resonance generated as the sound waves emitted by the sound source causes an air column in the vessel to resonate, a detector that detects a resonance frequency of the resonance measured by the wave receiver, and a liquid-amount determination unit that determines, based on the detected resonance frequency, an amount of the liquid reserved in the vessel.

Abstract: A stirrer includes a vessel for holding a liquid to be stirred; and a sound wave generator that irradiates the liquid with a sound wave to stir the liquid by the sound wave. The sound wave generator includes a piezoelectric substrate, and a sound generating element provided on the piezoelectric substrate and arranged outside the vessel so as to be adjacent to the liquid across the vessel and the piezoelectric substrate to generate a sound wave for stirring the liquid.

Abstract: A position detector is for detecting a position of liquid held in a vessel. The position detector includes a sound wave generator disposed in contact with the vessel and having a plurality of sound generating elements for generating a sound wave by electrical energy; and a measuring unit that measures electrical characteristics of each of the sound generating elements based on the electrical energy reflected from each of the sound generating elements. The position detector also includes a determining unit that determines the presence or absence of the liquid at a position of each of the sound generating elements based on difference in the electrical characteristics measured at the measuring unit.

Abstract: An optical apparatus uses a variable-optical-characteristic optical element whereby focusing, zooming or the like can be effected without moving a lens or the like and the whole optical apparatus can be arranged in a lightweight structure. The user wears a power transmitting unit 303 by hanging it from his/her neck, for example. The power transmitting unit 303 may be put in a clothes pocket or the like. The power transmitting unit 303 may be placed somewhere around the user. In the power transmitting unit 303, a transmitting circuit 305 is driven by a power supply 304 to send an electromagnetic wave from a transmitting antenna 306 toward variable-focus eyeglasses 302. The variable-focus eyeglasses 302 have a receiving antenna 307 provided on eyeglass frames 308 to receive the electromagnetic wave sent from the power transmitting unit 303. The received electromagnetic wave is, for example, boosted in voltage and rectified to drive the variable-focus lenses.

Abstract: A reaction container holds a liquid agitated by sound waves. The reaction container includes two openings which serve as an introduction/discharge port of the liquid, and a holding member which has the two openings, holds the liquid between the two openings, and includes a sound wave generator arranged on one of a side surface and a portion close to the side surface for emitting sound waves to a portion between the two openings to agitate the liquid.

Abstract: An analyzer is for stirring a liquid held in a vessel by a sound wave and measuring optical characteristics of the liquid which has been stirred, to analyze the liquid. The analyzer includes a dispensing unit for dispensing the liquid to a dispensing holding unit formed in the vessel; and a light measuring unit for measuring optical characteristics of the liquid held in a light measuring holding unit to which the liquid which has been stirred is conveyed. A position of the light measuring unit in the vessel is different from a position of the dispensing holding unit.

Abstract: A stirrer is for stirring a liquid retained in a vessel with a sonic wave. The stirrer includes a sonic wave generating unit and a drive control unit. The sonic wave generating unit includes plural sound generators each having a different resonance frequency, for emitting the sonic wave generated from the sound generator toward the liquid. The drive control unit switches the sound generator which generates the sonic wave to a specific sound generator among the plural sound generators by changing a frequency of a drive signal input to the sonic wave generating unit.

Abstract: A stirring vessel is for stirring a retained liquid by an acoustic wave, and includes at least one acoustic wave generating unit that emits an acoustic wave into the liquid and is provided as deviated on the stirring vessel.

Abstract: An optical apparatus uses a variable-optical-characteristic optical element whereby focusing, zooming or the like can be effected without moving a lens or the like and the whole optical apparatus can be arranged in a lightweight structure. The user wears a power transmitting unit 303 by hanging it from his/her neck, for example. The power transmitting unit 303 may be put in a clothes pocket or the like. The power transmitting unit 303 may be placed somewhere around the user. In the power transmitting unit 303, a transmitting circuit 305 is driven by a power supply 304 to send an electromagnetic wave from a transmitting antenna 306 toward variable-focus eyeglasses 302. The variable-focus eyeglasses 302 have a receiving antenna 307 provided on eyeglass frames 308 to receive the electromagnetic wave sent from the power transmitting unit 303. The received electromagnetic wave is, for example, boosted in voltage and rectified to drive the variable-focus lenses.

Abstract: An analyzing apparatus for agitating plural different types of liquids to cause reaction to analyze a reaction liquid, includes a sound wave generator that generates a sound wave to agitate a liquid held in a vessel, a supply unit that supplies, to the vessel holding a first liquid and transported, a second liquid or a solid of an amount smaller than an amount of the first liquid, and a drive controller that controls generation of the sound wave by the sound wave generator so that the first liquid is agitated when the supply unit supplies the second liquid or the solid.

Abstract: An agitation apparatus for agitating a liquid by radiating a sound wave, includes a liquid holder that holds a liquid, and a sound wave generator that is arranged at an outer side of a wall of the liquid holder to make sound waves directed in two mutually plane-symmetrical directions each at an angle with the wall incident on the wall, wherein the sound wave generator generates the sound wave from such a position that a plane of symmetry of the sound wave is displaced from a central axis of the liquid holder.

Abstract: A stirring container in which liquid is contained is used in an analyzer for measuring a property of the liquid. The stirring container includes a recessed portion in which the liquid is held so that a meniscus is formed; and a sound wave generating unit disposed outside of a wall portion forming the recessed portion, and generates surface sound waves for stirring the liquid. The wall portion is configured so that a rising of the meniscus is lower than a rising of the meniscus formed by the liquid held in an assumed container whose cross section in a direction orthogonal to a depth direction of the recessed portion is the same as that of a circumscribed rectangle. The circumscribed rectangle is circumscribed about a portion, made of a same material as a part of the wall portion where the meniscus is formed, where the meniscus is formed in the relevant direction.

Abstract: It becomes possible to obtain high sound pressure in a high frequency domain by a capacitive ultrasonic transducer which comprises a membrane on which one electrode is formed, a cavity constructed in its backface, and a substrate on which these are mounted and supported and on whose surface an electrode is provided, on a surface in an ultrasonic transmission and reception side, characterized in that the membrane comprises tow or more layers, and at least one layer of them comprises a high dielectric constant film.

Abstract: Provided are an agitation apparatus, a vessel, and an analysis apparatus including the agitation apparatus that have excellent energy transmission efficiency, and simplified structure allowing downsizing, and are easy to perform maintenance. An agitation apparatus (20), a vessel (5), and an analysis apparatus (1) including the agitation apparatus agitate a liquid retained in the vessel (5) using sound waves. The agitation apparatus (20) includes a power transmitter (21) that transmits power, an electric terminal (24c) that receives the power transmitted from the power transmitter and changes a relative arrangement with respect to the power transmitter when an arrangement of at least one of the power transmitter and the electric terminal (24c) changes, and a sound wave generator (24b) that generates sound waves by converting the power received by the electric terminal (24c) to agitate the liquid.

Abstract: Provided here is an agitation vessel which enhances energy transmission efficiency in an agitation apparatus and an analysis apparatus, simplifies the structure of the agitation apparatus and the analysis apparatus, and allows for downsizing and improved maintenanceability. An agitation vessel (5) agitates retained liquid by sound waves. A sound wave generating member (24) which generates sound waves is provided integrally with the agitation vessel (5). The agitation vessel (5) includes a bottom wall (5d) and plural side walls (5c) made of an optically transparent material, and a part of the opposing side walls among the plural side walls (5c) is a photometric window (5b) that optically measures the liquid agitated. The sound wave generating member (24) is arranged on the side wall (5c), on which the photometric window (5b) is arranged, among the plural side walls (5c).

Abstract: A capacitive ultrasonic transducer (c-MUT) comprising a silicon substrate and a transducer element which comprises transducer cells, each of which is constituted by a first electrode equipped on the top surface of the silicon substrate, a second electrode placed opposite to the first electrode with a predetermined gap therefrom and a membrane for supporting the second electrode, wherein a trench is equipped between the adjacent transducers and a conductive film is formed in the trench.

Abstract: It becomes possible to obtain high sound pressure in a high frequency domain by a capacitive ultrasonic transducer which comprises a membrane on which one electrode is formed, a cavity constructed in its backface, and a substrate on which these are mounted and supported and on whose surface an electrode is provided, on a surface in an ultrasonic transmission and reception side, characterized in that the membrane comprises two or more layers, and at least one layer of them comprises a high dielectric constant film.