Abstract: A measurement apparatus includes a base having a top portion forming a fulcrum, and a rod-shaped body having a supported portion supported by the top portion, a pH sensor provided on one side thereof, and a reservoir provided on the other side thereof opposite to the one side with the supported portion therebetween, the reservoir being configured to store a fluid. When the reservoir is filled with the fluid, the rod-shaped body is balanced horizontally. When the reservoir is not filled with the fluid, the rod-shaped body is tilted to the side where the pH sensor is provided, so that the pH sensor is immersed in the solution in a water tank.

Abstract: An air conditioning apparatus includes an air vacuum pump that sucks in air from a prescribed space to place the space under negative pressure, a first hot and cool air tank that contains the sucked air, first valves that adjust the flow rate of air supplied to or discharged from the first hot and cool air tank, a second hot and cool air tank that contains the sucked air while an air flow from the air vacuum pump to the first hot and cool air tank is restricted, second valves that adjust the flow rate of air supplied to or discharged from the second hot and cool air tank, and a heating and cooling device that manages the temperature of at least one of the first and second hot and cool air tanks to which an air flow from the air vacuum pump is restricted.

Abstract: A control unit divides a predetermined space (a shop in the embodiment discussed herein) into units previously set in unit three-dimensional virtual cube master data to set relative position coordinates (unit three-dimensional virtual cubes), issues numbers (unit three-dimensional virtual cube sequence numbers) identifying the position coordinates, and creates a stock information management table T2 that associates the position coordinates ((shop)VM(1)SNg), the identification information (item sequence number) of an item existing at the position coordinates, and the presence or absence (delivery flag) of movement of the item with each other.

Abstract: An image processing system includes a housing that forms a passage through which paper pieces pass, imaging units that capture images of the paper pieces passing through the housing, and an AI image processing apparatus that restores a restoration target on the basis of the images captured by the imaging unit so that the contents of the restoration target become viewable.

Abstract: A history management apparatus includes a first memory that stores an inventory transaction history information record associating the quantity of a management target with a unique group number, and a control unit that stores, in a second memory, an inventory transaction history detailed information record assigning a unique sequence number and a first flag indicating an existence of the management target to each preset quantity of the management target with respect to the quantity of the management target, stores, in response to a decrease in the quantity of the management target, the decreased quantity in association with a new group number in the first memory, and changes, to a second flag indicating an absence of the management target, each first flag included in inventory transaction history detailed information records which are stored in the second memory and the number of which is equal to the decreased quantity.

Abstract: An air conditioning apparatus includes an air vacuum pump that sucks in air from a prescribed space to place the space under negative pressure, a first hot and cool air tank that contains the sucked air, first valves that adjust the flow rate of air supplied to or discharged from the first hot and cool air tank, a second hot and cool air tank that contains the sucked air while an air flow from the air vacuum pump to the first hot and cool air tank is restricted, second valves that adjust the flow rate of air supplied to or discharged from the second hot and cool air tank, and a heating and cooling device that manages the temperature of at least one of the first and second hot and cool air tanks to which an air flow from the air vacuum pump is restricted.

Abstract: A practice apparatus includes a light source device that emits light beams in different colors to keystroke positions on a keyboard or a keystroke object with keystroke positions that imitates a keyboard, fluorescent paper pieces that are respectively attached to the fingers of a player and have different colors for different fingers, and a main device that has a storage unit for storing therein music information on music and a transmitting unit for transmitting, to the light source device, a signal relating to the colors of the light beams, which depend on the colors of the fluorescent paper pieces attached to the fingers of the player, and the timing of emitting the light beams, based on the music information stored in the storage unit.

Abstract: A vibration applying apparatus includes a bone conduction speaker, a pedestal to which the bone conduction speaker is fixed, and supporting units on which a stringed instrument is placed, and is designed to transmit natural vibrations emanating from the bone conduction speaker to one of the supporting units via the pedestal.

Abstract: A vibration applying apparatus includes a bone conduction speaker, a pedestal to which the bone conduction speaker is fixed, and supporting units on which a stringed instrument is placed, and is designed to transmit natural vibrations emanating from the bone conduction speaker to one of the supporting units via the pedestal.