Abstract: A vibration device includes vibration elements arranged side by side in a plane direction of a thin film, and the vibration elements are capable of being controlled in different vibrations respectively. The vibration device includes vibration elements having different frequencies of vibration. Further, the vibration device includes vibration elements having different phases. A vibration unit includes the vibration device and a control part controlling vibration of the vibration elements included in the vibration device. A vibration apparatus includes the vibration device, the control part, and a housing accommodating the vibration device and the control part, and includes a vibration part arranged on an outer surface of the housing and generating vibration caused by the vibration elements included in the vibration device.

Abstract: A piezoelectric unit includes a piezoelectric element, an output part, an input part, and a control part. The output part performs an output vibrating the piezoelectric element. The input part receives an input of a voltage generated by the piezoelectric element. The control part performs switching such that the output performed by the output part and the input performed by the input part alternate with each other. An input-output device includes a housing that accommodates the piezoelectric unit, and a contact part arranged on an outer surface of the housing. The contact part outputs vibration caused by the piezoelectric element and transmits an input resulting from contact from outside to the piezoelectric element.

Abstract: A carbonic water production apparatus equipped with a carbonic acid gas dissolving apparatus and a circulation pump, wherein water in a bath is circulated by the circulation pump, and carbonic acid gas is fed into the carbonic acid gas dissolving apparatus to dissolve the carbonic acid gas in the water, and wherein the circulation pump is a positive-displacement metering pump having a self-priming ability; a carbonic water production method using this apparatus; a carbonic water production method including an early step for producing a carbonic water and a concentration maintaining step for the carbonic water; a carbonic water production apparatus equipped with a device for controlling the feeding pressure of carbonic water gas so as to give an intended concentration of carbonic acid gas; a carbonic water production apparatus which automatically discharges out a drain; and a carbonic water production apparatus combined with a portable foot bath.

Abstract: A carbonic water production apparatus equipped with a carbonic acid gas dissolving apparatus 3 and a circulation pump 1 wherein water in a bath 11 is circulated by the circulation pump 1, and a carbonic acid gas is fed into the carbonic acid gas dissolving apparatus 3 to dissolve the carbonic acid gas in the water, and wherein the circulation pump 1 is a positive-displacement metering pump having a self-priming ability; a carbonic water production method using this apparatus; a carbonic water production method comprising an early step for producing a carbonic water and a concentration maintaining step for the carbonic water; a carbonic water production apparatus equipped with a control for controlling the feeding pressure of carbonic water gas so that give an intended concentration of carbonic acid gas; a carbonic water production apparatus which automatically discharges out a drain; and a carbonic water production apparatus combined with a portable foot bath.

Abstract: A carbonic water production apparatus equipped with a carbonic acid gas dissolving apparatus 3 and a circulation pump 1, wherein water in a bath 11 is circulated by the circulation pump 1, and a carbonic acid gas is fed into the carbonic acid gas dissolving apparatus 3 to dissolve the carbonic acid gas in the water. The circulation pump 1 is a positive-displacement metering pump having a self-priming ability. A carbonic water production method using this apparatus is also provided, including an early step for producing carbonic water and a concentration maintaining step for the carbonic water. The carbonic water production apparatus includes a control for controlling the feeding pressure of carbonic water gas to give an intended concentration of carbonic acid gas. The carbonic water production apparatus automatically discharges out a drain. The carbonic water production apparatus is combined with a portable foot bath.

Abstract: A carbonic water production apparatus equipped with a carbonic acid gas dissolving apparatus 3 and a circulation pump 1 wherein water in a bath 11 is circulated by the circulation pump 1, and a carbonic acid gas is fed into the carbonic acid gas dissolving apparatus 3 to dissolve the carbonic acid gas in the water, and wherein the circulation pump 1 is a positive-displacement metering pump having a self-priming ability; a carbonic water production method using this apparatus; a carbonic water production method comprising an early step for producing a carbonic water and a concentration maintaining step for the carbonic water; a carbonic water production apparatus equipped with a control for controlling the feeding pressure of carbonic water gas so that give an intended concentration of carbonic acid gas; a carbonic water production apparatus which automatically discharges out a drain; and a carbonic water production apparatus combined with a portable foot bath.

Abstract: A carbonic water production apparatus equipped with a carbonic acid gas dissolving apparatus 3 and a circulation pump 1 wherein water in a bath 11 is circulated by the circulation pump 1, and a carbonic acid gas is fed into the carbonic acid gas dissolving apparatus 3 to dissolve the carbonic acid gas in the water, and wherein the circulation pump 1 is a positive-displacement metering pump having a self-priming ability; a carbonic water production method using this apparatus; a carbonic water production method comprising an early step for producing a carbonic water and a concentration maintaining step for the carbonic water; a carbonic water production apparatus equipped with a control for controlling the feeding pressure of carbonic water gas so that give an intended concentration of carbonic acid gas; a carbonic water production apparatus which automatically discharges out a drain; and a carbonic water production apparatus combined with a portable foot bath.

Abstract: A carbonic water production apparatus equipped with a carbonic acid gas dissolving apparatus 3 and a circulation pump 1 wherein water in a bath 11 is circulated by the circulation pump 1, and a carbonic acid gas is fed into the carbonic acid gas dissolving apparatus 3 to dissolve the carbonic acid gas in the water, and wherein the circulation pump 1 is a positive-displacement metering pump having a self-priming ability; a carbonic water production method using this apparatus; a carbonic water production method comprising an early step for producing a carbonic water and a concentration maintaining step for the carbonic water; a carbonic water production apparatus equipped with a control for controlling the feeding pressure of carbonic water gas so that give an intended concentration of carbonic acid gas; a carbonic water production apparatus which automatically discharges out a drain; and a carbonic water production apparatus combined with a portable foot bath.

Abstract: A carbonic water production apparatus equipped with a carbonic acid gas dissolving apparatus 3 and a circulation pump 1 wherein water in a bath 11 is circulated by the circulation pump 1, and a carbonic acid gas is fed into the carbonic acid gas dissolving apparatus 3 to dissolve the carbonic acid gas in the water, and wherein the circulation pump 1 is a positive-displacement metering pump having a self-priming ability; a carbonic water production method using this apparatus; a carbonic water production method comprising an early step for producing a carbonic water and a concentration maintaining step for the carbonic water; a carbonic water production apparatus equipped with a control for controlling the feeding pressure of carbonic water gas so that give an intended concentration of carbonic acid gas; a carbonic water production apparatus which automatically discharges out a drain; and a carbonic water production apparatus combined with a portable foot bath.

Abstract: A carbonic water production apparatus equipped with a carbonic acid gas dissolving apparatus 3 and a circulation pump 1 wherein water in a bath 11 is circulated by the circulation pump 1, and a carbonic acid gas is fed into the carbonic acid gas dissolving apparatus 3 to dissolve the carbonic acid gas in the water, and wherein the circulation pump 1 is a positive-displacement metering pump having a self-priming ability; a carbonic water production method using this apparatus; a carbonic water production method comprising an early step for producing a carbonic water and a concentration maintaining step for the carbonic water; a carbonic water production apparatus equipped with a control for controlling the feeding pressure of carbonic water gas so that give an intended concentration of carbonic acid gas; a carbonic water production apparatus which automatically discharges out a drain; and a carbonic water production apparatus combined with a portable foot bath.

Abstract: A carbonic water production apparatus equipped with a carbonic acid gas dissolving apparatus 3 and a circulation pump 1 wherein water in a bath 11 is circulated by the circulation pump 1, and a carbonic acid gas is fed into the carbonic acid gas dissolving apparatus 3 to dissolve the carbonic acid gas in the water, and wherein the circulation pump 1 is a positive-displacement metering pump having a self-priming ability; a carbonic water production method using this apparatus; a carbonic water production method comprising an early step for producing a carbonic water and a concentration maintaining step for the carbonic water; a carbonic water production apparatus equipped with a control for controlling the feeding pressure of carbonic water gas so that give an intended concentration of carbonic acid gas; a carbonic water production apparatus which automatically discharges out a drain; and a carbonic water production apparatus combined with a portable foot bath.

Abstract: A carbonic water production apparatus equipped with a carbonic acid gas dissolving apparatus 3 and a circulation pump 1 wherein water in a bath 11 is circulated by the circulation pump 1, and a carbonic acid gas is fed into the carbonic acid gas dissolving apparatus 3 to dissolve the carbonic acid gas in the water, and wherein the circulation pump 1 is a positive-displacement metering pump having a self-priming ability; a carbonic water production method using this apparatus; a carbonic water production method comprising an early step for producing a carbonic water and a concentration maintaining step for the carbonic water; a carbonic water production apparatus equipped with a means for controlling the feeding pressure of carbonic water gas so that give an intended concentration of carbonic acid gas; a carbonic water production apparatus which automatically discharges out a drain; and a carbonic water production apparatus combined with a portable foot bath.

Abstract: The described method is for the preparation of a carbonate spring by supplying carbon dioxide to a carbon dioxide dissolver and dissolving the carbon dioxide in raw water and includes of measuring the pH of the formed carbonate spring, calculating the carbon dioxide concentration data of the formed carbonate spring from the measured pH value and the alkalinity of the raw water, and controlling the feed rate of the carbon dioxide supplied to the carbon dioxide dissolver so as to make the carbon dioxide concentration data equal to a preset target carbon dioxide concentration value. According to this method, a carbonate spring having a desired concentration can be easily prepared by using an inexpensive pH measuring device.