Abstract: A magnetic field generator may include a magnetic field generation part including a resonance part including an inductor and a capacitor connected with each other, and which is structured so that an AC current is flowed between the inductor and the capacitor by charging electric charge to the capacitor and discharging the electric charge to generate a magnetic field by a resonance; a current direction monitoring section structured to monitor a direction of a current flowing through the inductor of the magnetic field generation part; and a judging section structured to control a timing for charging in the magnetic field generation part depending on the direction of the current flowing through the inductor which is obtained by monitoring of the current direction monitoring section.

Abstract: An end cover to be attached to an end of a string is provided. The end cover includes a finger-hooking projecting portion having a first finger-hooking face, and a base portion having a second finger-hooking face, and the second finger-hooking face is provided at a position to suppress a rotation of the end cover as a support point of the first finger-hooking face when a pulling force acts on the string using the first finger-hooking face.

Abstract: A magnetic recording medium processing device may include a magnetic recording medium insertion slot; a medium pathway connected to the magnetic recording medium insertion slot; a magnetic head arranged to face the medium pathway; and an interference magnetic field generating device structured to generate interference magnetic fields outside the magnetic recording medium insertion slot. The interference magnetic field generating device may include a coil, a capacitor, a first power line, a second power line to which a voltage different from that to the first power line is applied, multiple switches structured to switch the connections between the first power line and the second power line of the coil and the capacitor, and a switch control unit structured to control the multiple switches.

Abstract: A tactile sensor has an elastically deformable sheet, a coil that is provided in the sheet, a powdery or fibrous magnetic material that is provided in the sheet with the coil, and a detection portion that detects an inductance of the coil.

Abstract: A method for manufacturing an acoustic wave device includes: forming an altered domain in a supporting substrate by irradiating the supporting substrate with a laser light, a piezoelectric substrate being joined to an upper surface of the supporting substrate; forming a groove on an upper surface of the piezoelectric substrate so as to overlap with the altered domain; and cutting the supporting substrate at the groove.

Abstract: This magnetic head, which reads and writes magnetic information, prevents a signal from being read between the magnetic head and the write circuit during reading of magnetic information. A card reader 1 is provided with a magnetic head 6 which reads and writes magnetic information. Bidirectional diodes 54A, 54B are arranged inside of a head case 21 of the magnetic head 6. A write signal from a write circuit 72 is inputted via the bidirectional diodes 54A, 54B to a writing coil 34 wound around a core 32 of the magnetic head 6. The bidirectional diodes 54A, 54B and a demodulation IC 61 are mounted on a first board surface 62A of a control circuit board 62, and the control circuit board 62 is fixed to the head case 21 so that the bidirectional diodes 54A, 54B and the demodulation IC 61 are covered by the head case 21.

Abstract: An acoustic wave device includes: a first substrate including a support substrate and a piezoelectric substrate bonded on an upper surface of the support substrate, and including a first acoustic wave element located on an upper surface of the piezoelectric substrate; a ring-shaped metal layer located in a region that surrounds the first acoustic wave element and in which the piezoelectric substrate is removed, a second substrate flip-chip mounted on an upper surface of the first substrate and including a functional element located on a lower surface of the second substrate; and a metallic member located on an upper surface of the ring-shaped metal layer, surrounding the second substrate in plan view, not located between the first substrate and the second substrate, and sealing the first acoustic wave element and the functional element so that the first acoustic wave element and the functional element are located across an air gap.

Abstract: A cord lock includes a female member having a first opening, a second opening, an insertion path for a string therebetween, and female-side fastening portions formed in the insertion path, a male member having one portion entering into the insertion path from a side of the first opening, and male-side fastening portions at the one portion adapted to be fastened to the string inserted to pass through the insertion path in cooperation with the female-side fastening portions, and a spring member interposed between the female member and the male member. The fastening relative to the string is released by a pulling operation of reducing an entering amount of the one portion of the male member into the insertion path. A first contact portion of the spring member is integrally formed with the female member, and a second contact portion of the spring member is integrally formed with the male member.

Abstract: A magnetic recording medium processing device may include a magnetic recording medium insertion slot; a medium pathway connected to the magnetic recording medium insertion slot; a magnetic head arranged to face the medium pathway; and an interference magnetic field generating device structured to generate interference magnetic fields outside the magnetic recording medium insertion slot. The interference magnetic field generating device may include a coil, a capacitor, a first power line, a second power line to which a voltage different from that to the first power line is applied, multiple switches structured to switch the connections between the first power line and the second power line of the coil and the capacitor, and a switch control unit structured to control the multiple switches.

Abstract: A cord lock includes a first member having a first passage and a second passage for a cord; a second member combined with the first member to be capable of moving to rise and fall as a support point on the second passage side, and including a third passage positioned between the first passage and the second passage on a free end side of the rising and falling movement, and passing the cord; and an urging device urging the second member in a standing direction. The support point is formed by an engaging portion formed in one of the first member and the second member, and an engaged portion formed in the other, and engaged with the engaging portion, and the cord pulled out of the second passage is positioned on a free end side of the second member more than the support point.

Abstract: A method for manufacturing an acoustic wave device includes: forming reforming regions in a substrate along a first direction and a second direction intersecting the first direction by irradiating the substrate with a laser beam under different conditions in the first direction and the second direction, the substrate including a piezoelectric substrate on which an IDT (InterDigital Transducer) is formed, and linear expansion coefficients of the piezoelectric substrate being different in the first direction and the second direction; and cutting the substrate in the first direction and the second direction at the reforming regions.

Abstract: A sealing device includes a conductive member integrated with a seal lip along a circumferential direction of the seal lip and configured such that a voltage is applied to the conductive member, and a reference member provided at a predetermined interval with respect to the conductive member. A deformation degree of the seal lip is inspected such that a change of an inductance of the conductive member associated with a change of the interval between the conductive member and the reference member is detected by a detection unit.

Abstract: A card reader may include a card insertion port; a magnetoresistive (MR) sensor; and a disturbing magnetic field generator, wherein the card may include a magnetic stripe, and magnetic data recorded in the magnetic stripe may be arranged in a moving direction of the card inserted through the card insertion port. The MR sensor may include a first resistor and a second resistor separated by a distance which is less than a bit interval of magnetic data, in a case that “0” data are recorded in the magnetic stripe, in the moving direction of the card.

Abstract: A cord lock includes a main body having front and rear walls and two side walls, an elongated hole, and an inclined portion formed in an inner surface of the side walls; and an operating button having front and rear wall side operating portions arranged on the front wall and the rear wall, respectively, a connecting portion integrally connected to the front and rear wall side operating portions through the elongated hole, a biasing device biasing the front and rear side operating portions to the one side opening to cooperate with the inclined portion, and a gear-shaped engagement portion adapted to pinch the band inserted into the tubular shape. The operating button has a pivot portion, wherein a distance between an axial end of the pivot portion and a shaft end supporting the gear-shaped engagement portion is narrower than a thickness of the gear-shaped engagement portion.

Abstract: A card reader may include a card insertion port; a magnetoresistive (MR) sensor, and a disturbing magnetic field generator, wherein the card may include a magnetic stripe, and magnetic data recorded in the magnetic stripe may be arranged in a moving direction of the card inserted through the card insertion port. The MR sensor may include a first resistor and a second resistor separated by a distance which is less than a bit interval of magnetic data, in a case that “0” data are recorded in the magnetic stripe, in the moving direction of the card.

Abstract: An extruder (1) includes a cylinder (2) and a screw (3), and one or more front vents (8a) are provided on the cylinder (2) upstream of a hopper (5) and downstream of a rear vent (7). The cylinder (2) is provided with, between the hopper (5) and the rear vent (7), a liquid supply device (9) for spraying water into the cylinder (2) to cool an interior thereof and a liquid discharge port (12) that is opened in a lower portion of the cylinder (2).

Abstract: A cord lock includes a first member having a first passage and a second passage for a cord; a second member combined with the first member to be capable of moving to rise and fall as a support point on the second passage side, and including a third passage positioned between the first passage and the second passage on a free end side of the rising and falling movement, and passing the cord; and an urging device urging the second member in a standing direction. The support point is formed by an engaging portion formed in one of the first member and the second member, and an engaged portion formed in the other, and engaged with the engaging portion, and the cord pulled out of the second passage is positioned on a free end side of the second member more than the support point.

Abstract: An acoustic wave device includes: a first substrate including a support substrate and a piezoelectric substrate bonded on an upper surface of the support substrate, and including a first acoustic wave element located on an upper surface of the piezoelectric substrate; a ring-shaped metal layer located in a region that surrounds the first acoustic wave element and in which the piezoelectric substrate is removed, a second substrate flip-chip mounted on an upper surface of the first substrate and including a functional element located on a lower surface of the second substrate; and a metallic member located on an upper surface of the ring-shaped metal layer, surrounding the second substrate in plan view, not located between the first substrate and the second substrate, and sealing the first acoustic wave element and the functional element so that the first acoustic wave element and the functional element are located across an air gap.

Abstract: An acoustic wave device includes: a piezoelectric substrate; an IDT that is formed on the piezoelectric substrate and includes a pair of comb-shaped electrodes facing each other, each of the pair of comb-shaped electrodes including an grating electrode that excites an acoustic wave and a bus bar to which the grating electrode is connected; and reforming regions that are located only inside the piezoelectric substrate and arranged at intervals under the IDT, and in which a material of the piezoelectric substrate is reformed.

Abstract: It is an object of the present invention to provide a mutant streptavidin with a reduced affinity for natural biotin, and also to provide a modified biotin having a high affinity for the mutant streptavidin with a reduced affinity for natural biotin. According to the present invention, there is provided a reagent kit for use in treatments or diagnoses, which comprises: (a) a mutant streptavidin with a reduced affinity for natural biotin or biocytin; and a modified biotin having a high affinity for the above-described mutant streptavidin.