Abstract: The present invention provides a toner that can maintain excellent transferability even when a transfer bias is low. The toner includes a toner particle that includes a toner base particle and a plurality of convex portions X existing on a surface of the toner base particle, wherein the convex portion X contains an organic silicon polymer; when a cross-section of the toner is observed with a scanning transmission electron microscope (STEM), and the convex portions X comprise a plurality of convex portions Y each having a convex height H of 40 nm or higher, a number ratio P (H/w) of the a number of the convex portions Y2 in which a ratio (H/w) of the convex height H to the convex width w is 0.33 or larger and 0.80 or smaller is 70% by number or more with respect to a total number of the convex portions Y.

Abstract: A vibration isolator according to the present invention includes: an annular main body that is made of an annular elastic member, arranged surrounding at least part of a component housed inside a handlebar, and housed inside the handlebar together with the component; a plurality of protrusions that are formed on an outer peripheral surface of the annular main body, protruding so as to abut on an inner surface of the handlebar; and a plurality of recesses that are formed on an inner peripheral surface of the annular main body, recessed toward the outer peripheral surface.

Abstract: A magnetic sensor unit capable of accurately detecting a change of a magnetic field by a magnetic sensor and accurately positioning each magnet with respect to a yoke. The magnetic sensor unit comprises a yoke fixed to a rotor relatively displaced with respect to a base plate, two magnets fixed to the yoke and disposed apart from each other in a relative displacement direction of the rotor, and a magnetic sensor fixed to the base plate and detecting a change of a magnetic field formed by the two magnets. The yoke has a convex portion protruding between the two magnets. The convex portion includes abutting portions on which the two magnets abut.

Abstract: An accelerator position sensor according to the present invention is held inside a throttle grip of a vehicle rotationally operated by a driver. The accelerator position sensor includes: a magnet extended along a rotation axis of the throttle grip and configured to rotate in conjunction with the throttle grip; a magnetic detection unit arranged so as to face a predetermined face of the magnet; and a magnetic body arranged so as to face another face that is different from the predetermined face of the magnet. On the predetermined face and the other face of the magnet, respectively, mutually different numbers of magnetic poles are magnetized along a rotation direction of the magnet.

Abstract: A position sensor of the present invention includes: a magnet that moves together with a moving body; a magnetic sensor that detects a magnetic flux generated by the magnet; and a detector that detects an anomaly of the magnetic sensor based on a detection value detected by the magnetic sensor. The magnetic sensor is set so as to detect the detection value taking a value on a locus preset in accordance with a position of the moving body, and the locus is set so that a change rate of the detection value corresponding to change of the position of the moving body differs for each of a plurality of sections set within a movement range of the moving body. The detector detects the anomaly of the magnetic sensor based on a relation between the detection value and a comparison value that is a value corresponding to the locus.

Abstract: An accelerator position sensor according to the present invention is held inside a throttle grip of a vehicle rotationally operated by a driver. The accelerator position sensor includes: a magnet extended along a rotation axis of the throttle grip and configured to rotate in conjunction with the throttle grip; a magnetic detection unit arranged so as to face a predetermined face of the magnet; and a magnetic body arranged so as to face another face that is different from the predetermined face of the magnet. On the predetermined face and the other face of the magnet, respectively, mutually different numbers of magnetic poles are magnetized along a rotation direction of the magnet.

Abstract: A position sensor of the present invention includes: a magnet that moves together with a moving body; a magnetic sensor that detects a magnetic flux generated by the magnet; and a detector that detects an anomaly of the magnetic sensor based on a detection value detected by the magnetic sensor. The magnetic sensor is set so as to detect the detection value taking a value on a locus preset in accordance with a position of the moving body, and the locus is set so that a change rate of the detection value corresponding to change of the position of the moving body differs for each of a plurality of sections set within a movement range of the moving body. The detector detects the anomaly of the magnetic sensor based on a relation between the detection value and a comparison value that is a value corresponding to the locus.

Abstract: A grip, a magnet 140, and a substrate 150 are included. The grip is rotatable between positions where a throttle is fully closed and a position where the throttle is fully open with a rotating shaft as a center. The magnet 140 rotates integrally with the grip. The substrate 150 includes a plurality of Hall elements 165 and 175, and is fixed to face the magnet 140. The plurality of Hall elements 165 and 175 are disposed in such a way that magnetic flux densities different from each other are respectively applied to the plurality of Hall elements 165 and 175 when an external magnetic field acts in a state where the grip is located in the position where the throttle is fully closed.

Abstract: Provided is a throttle grip device that can stably generate an operation feeling and achieves downsizing itself. A throttle grip device includes a throttle grip attached to a handlebar, an accelerator position sensor, and a return spring. The accelerator position sensor and the return spring are accommodated inside the handlebar so as to be arranged tandemly along a straight line. The accelerator position sensor includes a cylindrical inner rotor in which a plurality of magnetic poles is magnetized along a circumferential direction, a magnetic material-made outer case configured to accommodate the inner rotor, and a sensor IC disposed facing a sensor side end of the inner rotor and offset from a central axis of the inner rotor. The inner rotor rotates in conjunction with the throttle grip.

Abstract: Provided is a throttle grip device that can stably generate an operation feeling and achieves downsizing itself. A throttle grip device includes a throttle grip attached to a handlebar, an accelerator position sensor, and a return spring. The accelerator position sensor and the return spring are accommodated inside the handlebar so as to be arranged vertically on a straight line. The accelerator position sensor includes a cylindrical inner rotor in which a plurality of magnetic poles is magnetized along a circumferential direction, a magnetic material-made outer case configured to accommodate the inner rotor, and a sensor IC disposed facing a sensor side end of the inner rotor and offset from a central axis of the inner rotor. The inner rotor rotates in conjunction with the throttle grip.

Abstract: A rotation angle detection sensor includes a magnet body subjected to magnetization in an in-plane direction, a first Hall element and a second Hall element separated from each other and arranged offset to one of spaces divided by an imaginary plane including a rotation axis, and a third Hall element located in a position away from a straight line passing through the first Hall element and the second Hall element. A storage section stores a rotation angle that is related to electric signals having a phase difference therebetween, among electric signals of the first Hall element, the second Hall element, and the third Hall element. A detection section detects the electric signals of the first Hall element, the second Hall element, and the third Hall element and obtains from the storage section the rotation angle that is related to the detected electric signals.

Abstract: A magnetic rotation detection apparatus which is capable of suppressing occurrence of assembly failure of components. A gear position sensor 10 is provided with a sensor unit 12 including a Hall element 20, a magnet shaft 11 including a magnet 17, a case 14 housing the sensor unit 12 and the magnet shaft 11, and an inner O-ring 24 sealing a gap between the sensor unit 12 and the case 14. The case 14 includes a metal bearing 19 to support the magnet shaft 11, and the magnet shaft 11 includes a molded portion 18 to fix the magnet 17. A thrust plate 22 is arranged between the molded portion 18 and a base plate 21 (circuit board) of the sensor unit 12, and a spring mechanism 26 is arranged to bias the molded portion 18 to the thrust plate 22. A minute gap is present between the metal bearing 19 and the magnet shaft 11.

Abstract: A grip, a magnet 140, and a substrate 150 are included. The grip is rotatable between positions where a throttle is fully closed and a position where the throttle is fully open with a rotating shaft as a center. The magnet 140 rotates integrally with the grip. The substrate 150 includes a plurality of Hall elements 165 and 175, and is fixed to face the magnet 140. The plurality of Hall elements 165 and 175 are disposed in such a way that magnetic flux densities different from each other are respectively applied to the plurality of Hall elements 165 and 175 when an external magnetic field acts in a state where the grip is located in the position where the throttle is fully closed.

Abstract: A magnetic rotation detection apparatus which is capable of suppressing occurrence of assembly failure of components. A gear position sensor 10 is provided with a sensor unit 12 including a Hall element 20, a magnet shaft 11 including a magnet 17, a case 14 housing the sensor unit 12 and the magnet shaft 11, and an inner O-ring 24 sealing a gap between the sensor unit 12 and the case 14. The case 14 includes a metal bearing 19 to support the magnet shaft 11, and the magnet shaft 11 includes a molded portion 18 to fix the magnet 17. A thrust plate 22 is arranged between the molded portion 18 and a base plate 21 (circuit board) of the sensor unit 12, and a spring mechanism 26 is arranged to bias the molded portion 18 to the thrust plate 22. A minute gap is present between the metal bearing 19 and the magnet shaft 11.

Abstract: A rotation angle detection sensor includes a magnet body subjected to magnetization in an in-plane direction, a first Hall element and a second Hall element separated from each other and arranged offset to one of spaces divided by an imaginary plane including a rotation axis, and a third Hall element located in a position away from a straight line passing through the first Hall element and the second Hall element. A storage section stores a rotation angle that is related to electric signals having a phase difference therebetween, among electric signals of the first Hall element, the second Hall element, and the third Hall element. A detection section detects the electric signals of the first Hall element, the second Hall element, and the third Hall element and obtains from the storage section the rotation angle that is related to the detected electric signals.

Abstract: An energy-saving magnetic bearing device with no bias current for making the relation between the excitation current and the magnetic force of the electromagnet linear is provided. In a magnetic bearing device for supporting a rotor 1 serving as the magnetic piece in a levitating state allowing free rotation at a specified position by the magnetic force of a pair of electromagnets 2, 3, the electromagnets 2, 3 are constituted to interpose the rotor 1 and face each other. A driver 204 is a PWM (pulse width modulation) type driver for controlling the excitation current in the electromagnets 2, 3 by modulating the pulse width of a voltage driven at a specified carrier frequency fc, and includes a resonator means for electrically resonating at a frequency equal to the carrier frequency fc.

Abstract: A magnetic bearing apparatus supports a rotating object using magnetic levitation by a magnetic force of electromagnets. The magnetic bearing apparatus includes a PWM driver configured to supply exciting currents to the electromagnets, a driver power source configured to drive the PWM driver, and a displacement error signal removing section configured to extract a displacement error signal of the displacement information from a current flowing through the driver power source and to remove the displacement error signal from the displacement information.

Abstract: An energy-saving magnetic bearing device with no bias current for making the relation between the excitation current and the magnetic force of the electromagnet linear is provided. In a magnetic bearing device for supporting a rotor 1 serving as the magnetic piece in a levitating state allowing free rotation at a specified position by the magnetic force of a pair of electromagnets 2, 3, the electromagnets 2, 3 are constituted to interpose the rotor 1 and face each other. A driver 204 is a PWM (pulse width modulation) type driver for controlling the excitation current in the electromagnets 2, 3 by modulating the pulse width of a voltage driven at a specified carrier frequency fc, and includes a resonator means for electrically resonating at a frequency equal to the carrier frequency fc.

Abstract: A photovoltaic power generation controller, in which minute power change is detected even with a low-resolution AD converter, thereby being capable of performing maximum power point tracking control with high accuracy, is provided.