Abstract: In a current sensor, primary conductors each include front and back surfaces, a length direction, a width direction orthogonal or substantially orthogonal to the length direction, and a thickness direction orthogonal or substantially orthogonal to the length direction and the width direction, and further include a bent portion surrounding at least a portion of an outer periphery of a housing at an intermediate position in the length direction when viewed in the width direction. The housing is disposed in a region surrounded by the bent portion of each of the plurality of primary conductors when viewed in the width direction.

Abstract: A power generating device is disclosed that includes a power generating unit, an inductor, a switch connected to the inductor in series, and a control circuit. The power generating unit includes a piezoelectric element, and upper and lower electrodes disposed on surfaces of the piezoelectric element. The inductor is electrically connected to the electrodes in parallel, with the inductor and a capacitance component constituting a resonance circuit. The control circuit has a driving mode in which it controls the switch to an ON state in synchronism with the voltage generated in the piezoelectric element becoming a peak value. Further, in a rest mode, the control circuit controls the switch to be in an OFF state when the voltage generated in the piezoelectric element has the peak value.

Abstract: A piezoelectric power generation apparatus that includes a first vibrating portion having a fixed end and a free end, a first weight portion bonded to the free end of the first vibrating portion, a second vibrating portion having a fixed end bonded to the first weight portion and a free end, and including a vibrating plate and a piezoelectric element provided on the vibrating plate. A second weight portion is bonded to the free end of the second weight portion. In a state where the piezoelectric power generation apparatus is arranged on a vibration surface and is still, a position of the free end of the first vibrating portion and a position of the fixed end of the second vibrating portion in an axial direction perpendicular to the vibration surface are different from each other.

Abstract: In a current sensor, primary conductors each include front and back surfaces, a length direction, a width direction orthogonal or substantially orthogonal to the length direction, and a thickness direction orthogonal or substantially orthogonal to the length direction and the width direction, and further include a bent portion surrounding at least a portion of an outer periphery of a housing at an intermediate position in the length direction when viewed in the width direction. The housing is disposed in a region surrounded by the bent portion of each of the plurality of primary conductors when viewed in the width direction.

Abstract: Display of an image projected on a projection plane is appropriately controlled. An information processing device is an information processing device including a control unit. Here, a projection unit projects and displays a part of an image to be displayed on a projection plane. In addition, the control unit included in the information processing device controls the image displayed on the projection plane on the basis of a display area of the image displayed on the projection plane specified on the basis of a relative positional relationship between a projection unit and the projection plane and control information associated with the image to be displayed.

Abstract: A power generating device is disclosed that includes a power generating unit, an inductor, a switch connected to the inductor in series, and a control circuit. The power generating unit includes a piezoelectric element, and upper and lower electrodes disposed on surfaces of the piezoelectric element. The inductor is electrically connected to the electrodes in parallel, with the inductor and a capacitance component constituting a resonance circuit. The control circuit has a driving mode in which it controls the switch to an ON state in synchronism with the voltage generated in the piezoelectric element becoming a peak value. Further, in a rest mode, the control circuit controls the switch to be in an OFF state when the voltage generated in the piezoelectric element has the peak value.

Abstract: Provided is a piezoelectric power generator that has an overall compact size and in which a plurality of piezoelectric elements having a low natural frequency of vibration and that generate a large amount of power can be arranged in a compact manner. A piezoelectric power generator includes a first and second piezoelectric elements, which each have a cantilever structure, fixed to the top of two opposing side walls of a housing. The first piezoelectric element and the second piezoelectric element are arranged so as to oppose each other in an alternating manner and respectively have a first weight and a second weight joined to free ends thereof. Unused spaces formed below the fixed end sides of the piezoelectric elements are used as spaces in which the weights can move by positioning one of the weights under the fixed end side of the other of the piezoelectric elements.

Abstract: A piezoelectric power generator including a resonator having a first weight member supported on a base member by a spring; a second weight member; and a generating device having a vibrating plate with a piezoelectric element attached to a surface thereof. Further, the vibrating plate has one end secured to the first weight member and the other end being a free end attached to the second weight member. The generating device is capable of bending and vibrating in an up-and-down direction, such that the first weight member can swing at a predetermined frequency about an axis perpendicular to a bending vibration plane of the generating device.

Abstract: A wiring board includes first insulating layers and second insulating layers formed on a core layer in this order; a third insulating layer and a solder resist layer formed on another surface of the core layer in this order, first wiring layers and second wiring layers formed in the first insulating layers and the second insulating layers, respectively, wherein a first end surface of the first via wiring exposes from the first surface of the outermost first insulating layer to be directly connected with an outermost second wiring layer, the first via wiring and the outermost second wiring layer being separately formed, the first surface of the outermost first insulating layer and the first end surface of the first via wiring are polished surfaces, smooth surfaces and are flush with each other, and the wiring density of the second wiring layers is higher than that of the first wiring layers.

Abstract: A wiring board includes first insulating layers and second insulating layers formed on a core layer in this order; a third insulating layer and a solder resist layer formed on another surface of the core layer in this order, first wiring layers and second wiring layers formed in the first insulating layers and the second insulating layers, respectively, wherein a first end surface of the first via wiring exposes from the first surface of the outermost first insulating layer to be directly connected with an outermost second wiring layer, the first via wiring and the outermost second wiring layer being separately formed, the first surface of the outermost first insulating layer and the first end surface of the first via wiring are polished surfaces, smooth surfaces and are flush with each other, and the wiring density of the second wiring layers is higher than that of the first wiring layers.

Abstract: A piezoelectric power generation apparatus that includes a first vibrating portion having a fixed end and a free end, a first weight portion bonded to the free end of the first vibrating portion, a second vibrating portion having a fixed end bonded to the first weight portion and a free end, and including a vibrating plate and a piezoelectric element provided on the vibrating plate. A second weight portion is bonded to the free end of the second weight portion. In a state where the piezoelectric power generation apparatus is arranged on a vibration surface and is still, a position of the free end of the first vibrating portion and a position of the fixed end of the second vibrating portion in an axial direction perpendicular to the vibration surface are different from each other.

Abstract: A wiring board includes first insulating layers and second insulating layers formed on a core layer in this order; a third insulating layer and a solder resist layer formed on another surface of the core layer in this order, first wiring layers and second wiring layers formed in the first insulating layers and the second insulating layers, respectively, wherein a first end surface of the first via wiring exposes from the first surface of the outermost first insulating layer to be directly connected with an outermost second wiring layer, the first via wiring and the outermost second wiring layer being separately formed, the first surface of the outermost first insulating layer and the first end surface of the first via wiring are polished surfaces, smooth surfaces and are flush with each other, and the wiring density of the second wiring layers is higher than that of the first wiring layers.

Abstract: A wiring board includes first insulating layers and second insulating layers formed on a core layer in this order; a third insulating layer and a solder resist layer formed on another surface of the core layer in this order, first wiring layers and second wiring layers formed in the first insulating layers and the second insulating layers, respectively, wherein a first end surface of the first via wiring exposes from the first surface of the outermost first insulating layer to be directly connected with an outermost second wiring layer, the first via wiring and the outermost second wiring layer being separately formed, the first surface of the outermost first insulating layer and the first end surface of the first via wiring are polished surfaces, smooth surfaces and are flush with each other, and the wiring density of the second wiring layers is higher than that of the first wiring layers.

Abstract: Provided is a piezoelectric power generator that has an overall compact size and in which a plurality of piezoelectric elements having a low natural frequency of vibration and that generate a large amount of power can be arranged in a compact manner. A piezoelectric power generator includes a first and second piezoelectric elements, which each have a cantilever structure, fixed to the top of two opposing side walls of a housing. The first piezoelectric element and the second piezoelectric element are arranged so as to oppose each other in an alternating manner and respectively have a first weight and a second weight joined to free ends thereof. Unused spaces formed below the fixed end sides of the piezoelectric elements are used as spaces in which the weights can move by positioning one of the weights under the fixed end side of the other of the piezoelectric elements.

Abstract: A piezoelectric power generator including a resonator having a first weight member supported on a base member by a spring; a second weight member; and a generating device having a vibrating plate with a piezoelectric element attached to a surface thereof. Further, the vibrating plate has one end secured to the first weight member and the other end being a free end attached to the second weight member. The generating device is capable of bending and vibrating in an up-and-down direction, such that the first weight member can swing at a predetermined frequency about an axis perpendicular to a bending vibration plane of the generating device.

Abstract: To achieve a piezoelectric power generating apparatus that is capable of both decreasing the natural vibration frequency and reducing the size and that has high power generation efficiency. A piezoelectric power generating apparatus including a power generating element having one end fixed to a supporting member and another end being a free end, and an excitation weight connected to the free end of the power generating element. The power generating element includes a vibration plate that is formed into a shape in which the vibration plate is folded back on the same plane between the one end and the other end and that includes multiple arm portions extending in parallel to each other. In addition, piezoelectric elements bonded to each arm portion of the vibration plate.

Abstract: A digital recording and reproducing device (10) converts an MPEG stream output from a plurality of tuners (12) that can receive a plurality of television signals in accordance with a proper bit rate, resolution, and a compressing system. A server provides a time index with an identifier to identify program data and program corner data. The digital recording and reproducing device receives and records the identifier. A signal receiving unit (25) receives a reproduction signal of the program data from a controller and an input unit (28) that transmit an input signal related to reproduction of the program data. A control unit (18) detects an identifier of a time index corresponding to the reproduction signal received by the signal receiving unit (25) and program data related to the identifier are extracted from a recording means (17).

Abstract: An optical pickup control circuit includes an adding portion that adds a tracking driving signal which is for moving an objective lens, provided to face a discoid optical information recording medium, in a tracking direction of the corresponding optical information recording medium, to a tilt driving signal which is for moving the corresponding objective lens in a tilt direction of the corresponding optical information recording medium, and supplies the signal to a tilt actuator.

Abstract: The invention provides a control program of the digital recording/reproducing device which comprises: a plurality of tuners which can receive a plurality of television signals; a converter by which the tuners convert a television signal into a digital signal; a recording means for recording program data converted by the converter; a receiving means for receiving an operation signal relating to reproducing the program data recorded in the recording means: a time index receiving procedure for receiving a time index having an identifier; a time index recording procedure for recording a received time index on the recording means; a signal receiving procedure for receiving an operation signal from a remote controller; and a controlling procedure for detecting an identifier of the time index relating to the program data corresponding to the operation signal received by the signal receiving procedure.

Abstract: The invention provides a digital recording/reproducing device wherein a reservation recording itself is not required and a viewer can search a desired target program quickly. The digital recording/reproducing device 10 comprises a plurality of tuners 12 which can receive a plurality of television signals at the same time, convert a television signal into a digital signal and records/reproduces. A server provides a time index having an identifier which can identify program data and program section data, and the time index is received via a communication means and recorded. In addition, a signal receiving unit 25 receives a program data reproducing signal from a remote controller and an input unit 28 for sending an input signal relating to the reproduction of program data. A control unit 18 detects an identifier of a time index corresponding to the program data reproducing signal that the signal receiver 25 receives, and extracts program data associated with the detected identifier from a recording means 17.