Taiyo Yuden Co.

Takasaki, Japan

Taiyo Yuden Co.

Takasaki, Japan

Time filter

Source Type

[Problem] To increase the opportunities for recovering regenerative power by wide-range regenerative control in various running states of a power-assisted vehicle. [Solution] A regenerative controller for an electric motor includes: a wheel rotation detection unit provided on a vehicle and detecting a rotation amount of a wheel that is driven via a crank rotated by human power; a crank rotation detection unit that detects a rotation amount of the crank; and a controller that calculates a first value based on the rotation amount of the wheel, a second value based on the rotation amount of the crank, and control information based on at least the second value among the first value and the second value for regenerative control of a power storage device regeneratively charged by an electric motor that supplies driving power to the wheel, the controller controlling a regeneration amount of the electric motor in accordance with the control information.


Patent
Taiyo Yuden Co. | Date: 2016-09-27

An electric storage module includes a first electric storage cell, second electric storage cell, frame, first plate, and second plate. The first/second electric storage cell has a first/second electric storage element having positive and negative electrodes, as well as a first/second covering film that, together with electrolyte, seals the first/second electric storage element, wherein the second electric storage cell is stacked with the first electric storage cell either directly or indirectly. The frame forms a housing space in which the first electric storage cell and second electric storage cell are housed. The first/second plate is made of metal and attached to the frame, and the second plate together with the first plate, sandwiches the first electric storage cell and second electric storage cell.


A battery case includes a first cover member configured to be mounted to one region of a cell, and a second cover member having a shape identical to a shape of the first cover member, the second cover member being configured to be mounted to an other region opposite to the one region of the cell and coupled to the first cover member.


Patent
TAIYO YUDEN Co. | Date: 2016-09-07

A solid-state rechargeable battery includes a pair of electrode layers and a solid electrolyte layer interposed between the pair of electrode layers. The pair of electrode layers each include a phosphate having an olivine crystal structure. The phosphate contains a transition metal and lithium.


Patent
Taiyo Yuden Co. | Date: 2016-09-26

One object is to provide a laminated inductor having a reduced thickness without reduction in the magnetic characteristic and the insulation quality. The laminated inductor includes a first magnetic layer, an internal conductor, second magnetic layers, third magnetic layers, and a pair of external electrodes. The first magnetic layer has a thickness of 4 to 19 m, and includes three or more magnetic alloy particles arranged in the thickness direction and an oxide film binding the magnetic alloy particles together and containing Cr. The internal conductor includes a plurality of conductive patterned portions electrically connected to each other via the first magnetic layer. The second magnetic layers are composed of magnetic alloy particles and disposed around the conductive patterned portions. The third magnetic layers are composed of magnetic alloy particles and disposed so as to be opposed to each other in thickness direction.


Patent
Taiyo Yuden Co. | Date: 2016-10-24

One object is to provide a laminated thin film capacitor in which loss of capacitance and degradation of reliability due to structural damage are suppressed. The laminated thin film capacitor of the present invention includes: a plurality of thin film capacitors stacked together via a joining resin to form a laminate; and a first external electrode and a second external electrode electrically connected to the plurality of thin film capacitors, wherein each of the plurality of thin film capacitors includes: at least one MIM structure including a dielectric body, a first internal electrode disposed on one principal surface of the dielectric body, and a second internal electrode disposed on the other principal surface of the dielectric body; a first intermediate electrode electrically connecting the first internal electrode and the first external electrode; and a second intermediate electrode electrically connecting the second internal electrode and the second external electrode.


Patent
Taiyo Yuden Co. | Date: 2016-11-21

A piezoelectric thin film resonator includes: an acoustic reflection layer including an air gap or an acoustic mirror; lower and upper electrodes facing each other in a stacking direction, at least a part of each of the lower and upper electrodes being located on or above the acoustic reflection layer; a piezoelectric film sandwiched between the lower and upper electrodes and including lower and upper piezoelectric films, at least a part of an end face of the piezoelectric film in a film thickness direction being located between outer outlines of the resonance region and the acoustic reflection layer in at least a part of a region surrounding a resonance region; and an insertion film inserted between the lower and upper piezoelectric films, located in at least a part of an outer peripheral region within the resonance region, and not located in a center region of the resonance region.


Patent
Taiyo Yuden Co. | Date: 2017-01-19

An acoustic wave device includes: a first resonator that includes a first piezoelectric substance, and first lower and upper electrodes sandwiching the first piezoelectric substance in a direction of a c-axis orientation or a polarization axis of the first piezoelectric substance; and a second resonator that is located closer to a signal input terminal than the first resonator is, is connected in series to the first resonator, includes a second piezoelectric substance, and second lower and upper electrodes sandwiching the second piezoelectric substance so that an electrode in a direction of the c-axis orientation or a polarization axis of the second piezoelectric substance has an electric potential identical to an electric potential of an electrode of the first resonator in the direction of the c-axis orientation or the polarization axis of the first piezoelectric substance, and has an antiresonant frequency less than an antiresonant frequency of the first resonator.


Patent
Taiyo Yuden Co. | Date: 2017-01-27

A piezoelectric thin film resonator includes: a substrate; a lower electrode located on the substrate; a piezoelectric film that has a step on an upper surface thereof and is located on the lower electrode, a film thickness of the piezoelectric film inside the step being greater than a film thickness of the piezoelectric film outside the step; an upper electrode located on the piezoelectric film so that a resonance region is formed, the lower electrode and the upper electrode facing each other across the piezoelectric film in the resonance region, the resonance region including the step in plan view; and an insertion film located in the piezoelectric film, between the piezoelectric film and the lower electrode, or between the piezoelectric film and the upper electrode in at least a part of an outer peripheral region within the resonance region, and not located in a central region of the resonance region.


Patent
Taiyo Yuden Co. | Date: 2017-01-26

In an embodiment, a multilayer ceramic capacitor 10 is constituted in such a way that four capacitive components C1 to C4 that are connected in series are formed between a first internal electrode layer group 14 and a second internal electrode layer group 15 adjacent to it, wherein, among the four capacitive components C1 to C4, the facing area Sc1 that defines the capacitance value of the capacitive component C1 closest to the first external electrode 12 and the facing area Sc4 that defines the capacitance value of the capacitive component C4 closest to the second external electrode 13 are greater than the facing areas Sc2 and Sc3 that define the capacitance values of the two remaining capacitive components C2 and C3, respectively. The multilayer ceramic capacitor is capable of satisfying the needs for both size reduction and voltage resistance increase.

Loading Taiyo Yuden Co. collaborators
Loading Taiyo Yuden Co. collaborators