Abstract: There is provided a power generation device that generates electricity using a potential energy of a fluid raised to a predetermined height position by a wave force, the device including: a housing (1) that floats, the housing (1) including a front side opening portion (16) for taking a wave into an inside of the housing (1) on a front side of the housing (1); a float accommodated in the housing (1); a feeding device that feeds the circulation fluid toward the predetermined height position based on a wave force received by the float due to the wave taken into the inside of the housing (1) through the front side opening portion (16); a power generation unit that generates the electricity; and a suppressing member that suppresses a swing of the housing (1).

Abstract: There is provided a power generation device that generates electricity using a potential energy of a circulation fluid (F) raised to a predetermined height position by a wave force, the device including: a float (27) that includes a hollow portion (27A); a feeding device (24), the feeding device (24) being accommodated in the hollow portion (27A) of the float (27); and a power generation unit (23) that generates the electricity using the potential energy of the circulation fluid F raised to the predetermined height position, wherein a lower portion of the float (27) protrudes such that a cross-sectional area in a horizontal direction decreases as the floating body extends downward, the device further including a storage tank-side accommodation portion (2) that accommodates the float (27), the feeding device (24) and the power generation unit (23).

Abstract: A position management system 1 includes an identification information transmitting apparatus 10, a relay mobile terminal 20, and a management apparatus 30, wherein the identification information transmitting apparatus 10 includes a power generating unit 12, an identification side storage unit 13, and an identification side transmitting unit 14 that wirelessly transmits an identification side signal using the electric power generated by the power generating unit 12, wherein the relay mobile terminal 20 includes a terminal side communication unit 21 and a terminal side communication unit 21 that wirelessly transmits a relay side signal, and wherein the management apparatus 30 includes a management side communication unit 31 and a management side control unit 33 that is based on the relay side signal received by the management side communication unit 31.

Abstract: A communication apparatus 1 includes a manipulating unit 10, a power generating unit 20 that generates electric power using force externally applied via the manipulating unit 10, a transmitting unit 40 transmitting a signal, and a control unit 60 that causes, when the manipulating unit 10 is manipulated, the transmitting unit 40 to transmit the signal with priority over another process other than the transmission of the signal using first electric power which is part of the electric power generated by the power generating unit 20 and then performs the other process using second electric power other than the first electric power among the electric power generated by the power generating unit 20.

Abstract: A power generation device is provided with: power generation plates, each of which has a vibration plate, and a piezoelectric element that is fixed to one side surface of the vibration plate, said power generation plates being disposed in parallel to each other such that the power generation plates overlap each other at intervals; and supporting sections, which are provided among the power generation plates, and which support the power generation plates.

Abstract: A position management system 1 includes an identification information transmitting apparatus 10, a relay mobile terminal 20, and a management apparatus 30, the identification information transmitting apparatus 10 is carried by a mover and includes a power generating unit 12 that generates electric power using environmental energy, an identification side storage unit 13 that stores transmitting apparatus identification information uniquely identifying the identification information transmitting apparatus 10, and an identification side transmitting unit 14 that wirelessly transmits an identification side signal including the transmitting apparatus identification information stored in the identification side storage unit 13 using the electric power generated by the power generating unit 12 when a transmission condition is satisfied, the relay mobile terminal 20 includes a terminal side communication unit 21 that receives the identification side signal transmitted from the identification information transmitting

Abstract: A communication apparatus capable of increasing reliability of signal transmission is provided. A communication apparatus 1 includes a manipulating unit 10, a power generating unit 20 that generates electric power using force externally applied via the manipulating unit 10, a transmitting unit 40 transmitting a signal, and a control unit 60 that causes, when the manipulating unit 10 is manipulated, the transmitting unit 40 to transmit the signal with priority over another process other than the transmission of the signal using first electric power which is part of the electric power generated by the power generating unit 20 and then performs the other process using second electric power other than the first electric power among the electric power generated by the power generating unit 20.

Abstract: An information presentation system includes discrimination information transmission devices, a mobile terminal, and an information provision device and a provision side storage unit that mutually associates and stores terminal discrimination information of the mobile terminal that is the transmission destination of a transmitted target information signal, information for identifying target information included in the transmitted target information signal, information for identifying a target facility related to the target information, and transmission device discrimination information of the discrimination information transmission devices provided in the target facility, a provision side communication unit that receives a terminal side signal transmitted from a terminal side communication unit of the mobile terminal, and a provision side decision unit that decides whether the target information included in the transmitted target information signal is used by a user of the mobile terminal based on the transmis

Abstract: A power generation device is provided with: power generation plates, each of which has a vibration plate, and a piezoelectric element that is fixed to one side surface of the vibration plate, said power generation plates being disposed in parallel to each other such that the power generation plates overlap each other at intervals; and supporting sections, which are provided among the power generation plates, and which support the power generation plates.

Abstract: A power generation system to improve the degree of freedom of installation is described herein. A power generation system comprises: first fluid chambers that contain a fluid; a second fluid chamber that contains the fluid; a communication flow channel that communicates the first fluid chambers and the second fluid chamber with each other; first pistons that are disposed such that the fluid in the first fluid chambers can be pressed; a second piston that is disposed such that the fluid in the second fluid chamber can be pressed; and power generation modules that convert pressing forces of the corresponding first pistons into electricity using piezoelectric elements. The power generation elements of the power generation modules generate power when the second piston is pressed, and the pressing force is transmitted to the first pistons via the fluid, and the piezoelectric elements are indirectly pressed due to the force thus transmitted.

Abstract: A remote controller (1) provided with a power generating function is provided with: a main body (10); an operation board (11); operation buttons (12) provided on the operation board (11) so as to be exposed to the outside of the remote controller (1); and a power generating section (14) which has a piezoelectric element that generates an electromotive force when the piezoelectric element is deformed. The operation board (11) can rotate with respect to the main body (10) when an operation force is applied to the operation buttons (12), and the power generating element of the power generating section (14) generates the electromotive force when the power generating element is deformed due to the force applied from the operation board (11) which has been rotated by means of the operation force.

Abstract: A flexible vibration board (12), a piezoelectric element (13) fixed to at least one side of the vibration board (12), and a fixed board (14) and a weight (16) for promoting deformation of the piezoelectric element (13) caused by vibration of the vibration board (12) are provided in the body (10). When the body (10) vibrates by receiving external force, the weight (16) rocks to cause vibration of the vibration board (12), or when the vibration board (12) vibrates, vibration of the vibration board (12) is sustained by the inertia of the weight (16) and the vibration board (12) deforms through vibration thus deforming the piezoelectric element (13) furthermore.

Abstract: A power generation unit (1A) for converting an externally applied force into electricity comprises piezoelectric elements (22, 23), and a central spacer (24) and a peripheral spacer (25) provided, respectively, between a plurality of stacked piezoelectric elements (22, 23) or provided, respectively, between a plane for pressing the piezoelectric elements (22, 23) and the piezoelectric elements (22, 23) in order to form the deformation space of the piezoelectric elements (22, 23) and to transmit a deformation force to the piezoelectric elements. For example, the piezoelectric elements (22, 23) are fixed, respectively, to the both sides of a flexible diaphragm (21), columnar central spacers (24) are arranged on the piezoelectric elements (22, 23) and an annular peripheral spacer (25) is arranged on the diaphragm (21).

Abstract: A remote controller (1) provided with a power generating function is provided with: a main body (10); an operation board (11); operation buttons (12) provided on the operation board (11) so as to be exposed to the outside of the remote controller (1); and a power generating section (14) which has a piezoelectric element that generates an electromotive force when the piezoelectric element is deformed. The operation board (11) can rotate with respect to the main body (10) when an operation force is applied to the operation buttons (12), and the power generating element of the power generating section (14) generates the electromotive force when the power generating element is deformed due to the force applied from the operation board (11) which has been rotated by means of the operation force.

Abstract: A manual control device with a power generation function includes a manual input unit of a touch sensor type, a control unit that detects a direction input in the manual input unit and performs a control operation according to the direction, a power generation unit that is formed of piezoelectric material for power generation and arranged to a bottom side of the manual input unit, a charge unit that charges electric power from the power generation unit, and a power supply unit that supplies the electric power from the charge unit to the control unit. The operation start control unit supplies an operation instruction to the power supply unit after predetermined delay time since the electric power supply from the power generation unit to the charge unit is detected.

Abstract: A flexible vibration board (12), a piezoelectric element (13) fixed to at least one side of the vibration board (12), and a fixed board (14) and a weight (16) for promoting deformation of the piezoelectric element (13) caused by vibration of the vibration board (12) are provided in the body (10). When the body (10) vibrates by receiving external force, the weight (16) rocks to cause vibration of the vibration board (12), or when the vibration board (12) vibrates, vibration of the vibration board (12) is sustained by the inertia of the weight (16) and the vibration board (12) deforms through vibration thus deforming the piezoelectric element (13) furthermore.

Abstract: A power generation unit (1A) for converting an externally applied force into electricity comprises piezoelectric elements (22, 23), and a central spacer (24) and a peripheral spacer (25) provided, respectively, between a plurality of stacked piezoelectric elements (22, 23) or provided, respectively, between a plane for pressing the piezoelectric elements (22, 23) and the piezoelectric elements (22, 23) in order to form the deformation space of the piezoelectric elements (22, 23) and to transmit a deformation force to the piezoelectric elements. For example, the piezoelectric elements (22, 23) are fixed, respectively, to the both sides of a flexible diaphragm (21), columnar central spacers (24) are arranged on the piezoelectric elements (22, 23) and an annular peripheral spacer (25) is arranged on the diaphragm (21).