Abstract: A service-providing system (300) includes a screen provider (301), a user information manager (304), and a coupon information manager (305). The screen provider (301) is configured to provide a communication terminal of a user with a registration screen for registration for use of a periodic delivery service including a combination of the provision of a cooking appliance and the periodic provision of coupon information allowing purchase of a foodstuff corresponding to the cooking home appliance. The user information manager (304) is configured to store user information on the user who has completed the registration for the use of the periodic delivery service. The coupon information manager (305) is configured to periodically generate the coupon information to be provided to the user on whom the user information is stored in the user information manager (304).

Abstract: A measurement device is provided that has a contact surface that comes into contact with a measurement portion of a living body. The measurement device includes a biosensor disposed on the contact surface and has a detection surface that acquires biological information. Moreover, a suction portion is provided that sucks the living body from one or multiple suction holes provided in the contact surface on a periphery of the detection surface of the biosensor.

Abstract: A fluid control device includes a container and a passive valve. A vacuum source has a suction hole. The container has a first connection hole, a second connection hole, a third connection hole, a storage chamber, and a water-sealing chamber. The passive valve includes a first valve housing, a second valve housing, and a diaphragm. A ventilation hole, a second ventilation hole, and a third ventilation hole are provided in the first valve housing and the second valve housing. The first ventilation hole of the passive valve communicates with the second connection hole of the container. The second ventilation hole of the passive valve communicates with the suction hole of the vacuum source. The third ventilation hole is opened to the atmosphere. The diaphragm is pinched between the first valve housing and the second valve housing and forms a first region and a second region.

Abstract: A message management unit receives and accumulates a message, wherein the message is distributed for every update, is the message data representing a latest situation of a competition, an explanation generation unit generates an explanatory text for conveying unconveyed information detected from the message, based on conveyed information, a speech synthesis unit outputs a speech converted from the explanatory text, wherein the explanation generation unit stores the unconveyed information for the explanatory text as the conveyed information, stands by until completion of completion of the speech, and initiates a procedure for generating a new explanatory text based on updated unconveyed information.

Abstract: An atomizer includes a first piezoelectric pump, a second piezoelectric pump, a first flow path connected to the first piezoelectric pump, a second flow path connected to the second piezoelectric pump and merged with the first flow path, a third flow path connected to a merging portion of the first flow path and the second flow path, the third flow path having a first end and a second end, a liquid storage portion, and a nozzle including a gas supply flow path connected to the second end of the third flow path, a liquid supply flow path connected to the liquid storage portion, and a blow-out port, wherein the third flow path has a bent portion between the first end and the second end.

Abstract: A suction discharge unit of a suction discharge device includes a first unit and a second unit. The second unit controls the pressure inside the first unit. The first unit includes a storage chamber and a water sealing chamber. The water sealing chamber includes a first chamber communicating with the storage chamber, and a second chamber is sealed from the first chamber by sealing water. A negative pressure control unit is disposed in the second chamber. The negative pressure control unit includes a liquid retaining part retaining a liquid, a control member including control holes, and a support tube supporting the control member. The negative pressure control unit controls the pressure of the first chamber by causing gas to flow from the second chamber into the first chamber via the control holes and the liquid based on the pressure of the second chamber and the pressure of the first chamber.

Abstract: An atomizer includes a first piezoelectric pump, a first flow path, a reservoir part, and a second flow path. The first piezoelectric pump ejects gas through an outlet. The first flow path has a first end and a second end. The first end of the first flow path is connected to the outlet of the first piezoelectric pump. A connection point is provided between the first and second ends of the first flow path. Liquid is to be stored in the reservoir part. The second flow path has a first end and a second end. The first end of the second flow path is connected to the liquid reservoir part. The second end of the second flow path is connected to the connection point.

Abstract: An NPWT module includes a suction module including a suction device that has an intake port, an exhaust port, and a suction main body connected to the intake port and the exhaust port, a power supply that supplies power to the suction device, and a control circuit that controls power supply performed by the power supply and a water-absorbing member having a flat shape, and the NPWT module has a first space in which the suction module is located and a second space that communicates with the intake port of the suction device and in which the water-absorbing member is located. The first space and the second space are positioned adjacent to each other.

Abstract: A piezoelectric blower includes a first valve, a first housing, a vibrating plate, a piezoelectric element, a second housing, and a second valve. The first housing forms, together with the vibrating plate, a first blower chamber. A first top plate portion includes a first vent hole that allows an inside of the first blower chamber to communicate with an outside of the first blower chamber. The second housing forms, together with an actuator, a second blower chamber. A second top plate portion includes a second vent hole that allows an inside of the second blower chamber to communicate with an outside of the second blower chamber. The vibrating plate includes an opening portion and a third vent hole, the opening portion allowing an outer periphery of the first blower chamber and an outer periphery of the second blower chamber to communicate with each other.

Abstract: A message management unit receives and accumulates a message, wherein the message is distributed for every update, is the message data representing a latest situation of a competition, an explanation generation unit generates an explanatory text for conveying unconveyed information detected from the message, based on conveyed information, a speech synthesis unit outputs a speech converted from the explanatory text, wherein the explanation generation unit stores the unconveyed information for the explanatory text as the conveyed information, stands by until completion of completion of the speech, and initiates a procedure for generating a new explanatory text based on updated unconveyed information.

Abstract: A fluid control device includes a piezoelectric pump, an inhaler, and a valve. The piezoelectric pump has a gas suction hole and a gas discharge hole. The inhaler has a container, an inhalation port, and a connection hole. The valve has a first ventilation hole, a second ventilation hole, a third ventilation hole, a first valve housing, a second valve housing, and a valve body. The first ventilation hole of the valve is connected to the connection hole of the inhaler. The second ventilation hole of the valve is connected to the suction hole of the piezoelectric pump. The third ventilation hole of the valve is opened to the atmosphere. The valve body is held between the first valve housing and the second valve housing, and configures a first region and a second region.

Abstract: Provided is a suction device that can suppress sound and vibration during use. A suction device includes a flow-passage forming section (1) having a suction port (20) from which fluid is sucked, a discharge port (29) from which the fluid is discharged, and a flow passage (2) which is sealed from an outside except at the suction port (20) and the discharge port (29) and through which the fluid flows, and a piezoelectric driving part (33) that generates a flow of the fluid in the flow passage (2). The piezoelectric driving part (33) includes a diaphragm (37) and a piezoelectric element (34) as a moving part that transmits driving force to the fluid. The moving part is entirely disposed inside the flow passage (2).

Abstract: A suction discharge unit of a suction discharge device includes a first unit and a second unit. The second unit controls the pressure inside the first unit. The first unit includes a storage chamber and a water sealing chamber. The water sealing chamber includes a first chamber communicating with the storage chamber, and a second chamber is sealed from the first chamber by sealing water. A negative pressure control unit is disposed in the second chamber. The negative pressure control unit includes a liquid retaining part retaining a liquid, a control member including control holes, and a support tube supporting the control member. The negative pressure control unit controls the pressure of the first chamber by causing gas to flow from the second chamber into the first chamber via the control holes and the liquid based on the pressure of the second chamber and the pressure of the first chamber.

Abstract: A fluid control device includes a piezoelectric pump, a suction unit, and a valve. The piezoelectric pump has a suction hole for a gas and a discharge hole for the gas. The suction unit includes a container, a suction port, and a connection hole. The valve includes a first ventilation hole, a second ventilation hole, a third ventilation hole, a first valve housing, a second valve housing, and a diaphragm. The first ventilation hole of the valve is connected to the connection hole of the suction unit. The second ventilation hole of the valve is connected to the suction hole of the piezoelectric pump. The third ventilation hole of the valve is opened under atmospheric pressure. The diaphragm is clamped between the first valve housing and the second valve housing and forms a first region and a second region.

Abstract: A fluid control device (10) having a flow passage passing through a pump chamber (45) and a valve chamber (40) includes a vibration unit (37) that vibrates to cause fluctuation of an internal pressure in the pump chamber (45), a valve bottom plate (23) facing the valve chamber (40) and having a communication hole (43) communicating with the pump chamber (45) at one end and communicating with the valve chamber (40) at the other end, and a valve top plate (21) facing the valve chamber (40) to be opposed to the valve bottom plate (23) and having a discharge hole (41) communicating with the valve chamber (40). The communication hole (43) and the discharge hole (41) are not opposed to each other, and the valve bottom plate (23) is elastically deformed by transmission of vibration of the vibration unit (37) thereto.

Abstract: A piezoelectric blower includes a housing, a vibrating body, and a piezoelectric element. The vibrating body includes a vibration plate, a reinforcing plate, and a restraining plate. The vibrating body forms a columnar blower chamber with the housing while holding the blower chamber therebetween from a thickness direction of the vibration plate. The vibrating body includes an outer peripheral region in contact with an area from the outermost node of pressure vibration in the blower chamber, of nodes of the pressure vibration formed by the bending vibration of the vibrating body, to an outer periphery of the blower chamber, and a center region located in an inner side portion of the outer peripheral region. The restraining plate that restrains the bending vibration of the outer peripheral region is provided in the outer peripheral region.

Abstract: A piezoelectric blower (100) includes a housing (17), a vibrating plate (41), and a piezoelectric element (42). The vibrating plate (41) forms a column-shaped blower chamber (31) together with the housing (17). The vibrating plate (41) and the housing (17) are formed so that the blower chamber (31) has a radius a. The piezoelectric element (42) causes the vibrating plate (41) to concentrically bend and vibrate at a resonance frequency f. A recessed portion (26) is formed in the housing (17) on the side facing the vibrating plate (41). The recessed portion (26) defines a cavity (25), which constitutes the blower chamber (31) and communicates with the vent hole (24). The radius a of the blower chamber (31) and the resonance frequency f of the vibrating plate (41) satisfy a relationship of 0.8×(k0c)/(2?)?af?1.2×(k0c)/(2?).

Abstract: A piezoelectric blower includes an outer casing and a blower main body. The outer casing houses the blower main body. The blower main body includes a top plate, side plate, first vibrating plate, piezoelectric element, intermediate plate, second vibrating plate, side plate, and bottom plate and has a structure in which they are laminated in sequence. The top plate, side plate, and first vibrating plate define a columnar first blower space. The second vibrating plate, side plate, bottom plate define a columnar second blower space. The distance from a neutral plane of the piezoelectric element in the thickness direction to a surface of the second vibrating plate, the surface being near the piezoelectric element, is longer than the distance from the neutral plane to a surface of the first vibrating plate, the surface being near the piezoelectric element.

Abstract: A fluid control device includes a container and a passive valve. A vacuum source has a suction hole. The container has a first connection hole, a second connection hole, a third connection hole, a storage chamber, and a water-sealing chamber. The passive valve includes a first valve housing, a second valve housing, and a diaphragm. A ventilation hole, a second ventilation hole, and a third ventilation hole are provided in the first valve housing and the second valve housing. The first ventilation hole of the passive valve communicates with the second connection hole of the container. The second ventilation hole of the passive valve communicates with the suction hole of the vacuum source. The third ventilation hole is opened to the atmosphere. The diaphragm is pinched between the first valve housing and the second valve housing and forms a first region and a second region.

Abstract: A fluid control device includes a piezoelectric pump, an inhaler, and a valve. The piezoelectric pump has a gas suction hole and a gas discharge hole. The inhaler has a container, an inhalation port, and a connection hole. The valve has a first ventilation hole, a second ventilation hole, a third ventilation hole, a first valve housing, a second valve housing, and a valve body. The first ventilation hole of the valve is connected to the connection hole of the inhaler. The second ventilation hole of the valve is connected to the suction hole of the piezoelectric pump. The third ventilation hole of the valve is opened to the atmosphere. The valve body is held between the first valve housing and the second valve housing, and configures a first region and a second region.