Abstract: A control system includes a contact sensor configured to detect entry of an operation body into a recess formed between a door handle of a door handle apparatus and a body of the door handle apparatus by detecting contact between the operation body and an back face of the door handle, a force sensor configured to detect a force applied by the operation body to the door handle, and a controller configured to control operation of a door when the contact is detected by the contact sensor and the force is detected by the force sensor.

Abstract: A metal housing includes a printed circuit board, a display panel with an LCD panel, and an FPC that connects the printed circuit board and the LCD panel. An EH power source and an EL power source on the printed circuit board are used to drive pixel electrodes on the LCD panel. A series LC circuit and capacitors are disposed on the printed circuit board, and one end of the series LC circuit is connected to the ground and the other end is connected to power source wiring via the capacitors. The impedance characteristics of the series LC circuit and the capacitors C4 and C5 are set such that the impedance is sufficiently small in a frequency band of predicted ground noise and large in other frequency bands.

Abstract: A load sensor device includes a load sensor that has a pressure receiver, a housing that accommodates the load sensor, an elastic member that receives a load and presses against the load sensor, and a pressing member that is provided between the elastic member and the load sensor. The pressing member has a rigid presser capable of coming into contact with the pressure receiver, and an elastic supporter that supports the rigid presser on the housing. A gap is provided between the rigid presser and the pressure receiver in a state where the load is not applied to the elastic member. The elastic supporter elastically deforms to reduce the gap between the rigid presser and the pressure receiver when the load is applied to the elastic member. The load sensor device further includes a shock absorber capable of alleviating elastic deformation of the elastic supporter.

Abstract: A multi-way input device includes a strain-generating element, strain detection elements, and a tilt operation unit including an operation shaft configured to tilt. The strain-generating element includes a base portion, detection arms extending in respective directions from the base portion, support legs, and locking arms each of which is provided to extend from the base portion, each of the locking arms having an upper surface and being situated between adjacent detection arms among the detection arms. The upper surface of each of the locking arms contacts a lower surface of the tilt operation unit, and each of the detection arms does not contact the lower surface of the tilt operation unit.

Abstract: A printing system includes: a main printer configured to print an image sheet by sheet; a sub printer communicably connected to the main printer and configured to print an image sheet by sheet; and a storage medium that is configured to store image data of a plurality of images and from which the main printer is able to read out the image data. In response to changing of a state of the sub printer, the sub printer notifies the main printer of a changed state. The main printer regularly checks print situations of the main printer and the sub printer. In accordance with the print situations that are regularly checked, the main printer determines which of the printers is to be used for printing of an image for each of the image data of the plurality of images.

Abstract: A current sensor includes a magnetic sensor configured to detect a magnetic field generated by a current to be measured flowing through a current path and a shielding member including a first shield, a second shield, and a third shield disposed away from each other. The first shield is disposed on an opposite side of the current path from the magnetic sensor in a first direction in which the magnetic sensor and the current path oppose each other and includes a first opposing surface opposing the current path. The second shield includes a second opposing surface along the first direction. The third shield includes a third opposing surface along the first direction. The second shield and the third shield are disposed such that the second opposing surface and the third opposing surface oppose each other, with the magnetic sensor and the current path sandwiched therebetween.

Abstract: Loudspeaker enclosures that support improved acoustic radiation efficiency at low audible frequencies without compromising acoustic radiation efficiency at mid and high audible frequencies. Embodiments include enclosures having a primary chamber and a secondary chamber acoustically coupled to the primary chamber via a passive radiator. The geometrical characteristics of the secondary chamber and the corresponding air plenum are tailored for enhanced efficiency at low frequencies.

Abstract: A voice output from an i-th audio source apparatus is adjusted with a frequency transfer function Wii(f) set in an i-th noise reduction filter and is output from an i-th speaker. In the noise reduction filter, a frequency transfer function Wii(f) is set in which the sound is made smaller at frequencies where the gain of the frequency transfer function Cim(f) from the SPKi to a user tends to be relatively larger than the gain of the frequency transfer function Cii(f) from the SPKi to the user, and the sound is increased at frequencies where the gain of Cim(f) tends to be relatively smaller than the gain of Cii(f), where m is an integer excluding i from 1 to n.

Abstract: A compression molded core contains a plurality of soft magnetic material powders. A first powder and a second powder in the plurality of powders satisfy D1>D2, 0.23?(D1?D2)/D1<0.6, D1?7 ?m, and 3 ?m?DT?5.7 ?m. D1 is the median diameter, which is a particle size at which the integrated particle diameter distribution from the small particle size side is 50% in a volume-based particle size distribution measured by a laser diffraction/scattering method, of the first powder and is maximum among median diameters; D2 is the median diameter D2 of the second powder and is minimum among median diameters; and DT is determined using the weight rate R1 of the first powder and the weight rate R2 of the second powder by R1×D1+R2×D2.

Abstract: A magnetic sensor includes a magnetoresistive element having a sensitivity axis in a Y direction, a magnetic shield disposed apart in a Z direction from the magnetoresistive element and configured to attenuate the intensity of a magnetic field to be measured, and a magnetic balance coil. The magnetic shield includes a first shield part longitudinally extending in the X direction and second shield parts provided on either side of the first shield part. The first shield part has a portion that overlaps the magnetoresistive element when viewed in the Z direction. Each second shield part has a portion that overlaps the magnetoresistive element when viewed in the X direction. A magnetic path for a magnetic field in the X direction can be formed from one of the second shield parts to the other one of the second shield parts via the first shield part.

Abstract: In a door handle sensor system, a door handle device includes an electrostatic sensor to detect the user with respect to a door handle, and a pressure sensor to detect the operating force applied to the door handle. A control device determines whether the position of an operation is in a first end section, a second end section, or a center section of the door handle, and controls an unlatched state based on the determination result and the value detected by the pressure sensor. The electrostatic sensor includes a first electrode including multiple first electrode parts and a second electrode including multiple second electrode parts arranged alternately with the first electrode parts. The first electrode part other than the endmost first electrode part in the first direction and the second electrode part other than the endmost second electrode part in the first direction are arranged in the center section.

Abstract: A communication system includes a master device and a slave device. The master device can transmit a signal to a slave device. The slave device includes an antenna, a sensor unit, an RFID unit, a changeover switch that connects the antenna to one of the sensor unit and the RFID unit, and a switching circuit that switches the changeover switch based on a switching signal transmitted from the master device. When the antenna in the slave device receives the switching signal from the master device, the switching circuit switches the changeover switch in the slave device from a state in which the antenna and the sensor unit are connected to a state in which the antenna and the RFID unit are connected, in accordance with the switching signal.

Abstract: An angle measuring device includes an antenna device having antenna elements equally spaced along a first axis and a second axis, respectively, a selecting unit that selects phase differences with which a variance thereof becomes a predetermined value or less, from a plurality of phase differences of signals received from a transmission device by the antenna elements, an azimuth angle computing unit that computes an azimuth angle of the transmission device from a ratio of a first phase difference between signals received by two antenna elements spaced by a predetermined distance along the first axis and a second phase difference between signals received by two antenna elements space by the predetermined distance along the second axis, and an elevation angle computing unit that computes an elevation angle of the transmission device, based on the computed azimuth angle and the first or second phase difference.

Abstract: A rotation angle detection device includes a current meter that measures a current flowing in a direct current motor; a filter that extracts a ripple component from the current; a ripple detector that detects a ripple from a signal that has passed through the filter; and a rotation angle detector that detects a rotation angle of the direct current motor based on the number of ripples. The rotation angle detector measures an observation period based on consecutive ripples, calculates an estimation period between the consecutive ripples based on the observation period, determines whether the observation period is within a normal range based on the estimation period and the observation period, and in response to determining that the observation period is within the normal range and an immediately-previous observation period is outside the normal range, calculates a number of correction ripples CRN so as to correct the number of the ripples.

Abstract: A composite piezoelectric element includes a first electrode layer, a piezoelectric substance layer disposed on the first electrode layer, and a second electrode layer disposed on the piezoelectric substance layer, and, in plan view, a measuring unit including the first electrode layer, the piezoelectric substance layer, and the second electrode layer and a buffer portion in which the piezoelectric substance layer is not provided.

Abstract: A rotation angle detecting method includes measuring a current flowing through a motor, and obtaining a rotation angle of the motor based on a value of the measured current. The obtaining of the rotation angle of the motor includes obtaining the rotation angle in an inertial rotation of the motor based on a rotational angular velocity of the motor immediately before a first time point, a time period from the first time point to a second time point, and a time period from the second time point to a third time point. The first time point is a time point at which driving of the motor is stopped, the second time point is a time point at which a polarity of the value of the measured current is inverted, and the third time point is a time point at which the value of the measured current becomes zero.

Abstract: A biometric authentication device of the present invention includes a light guide layer on which a light diffusion unit for displaying an aerial image representing a design of a living body at a height is formed, a light source that irradiates the light guide layer with light, a polarized beam splitter disposed on an upper surface side of the light guide layer, a retroreflective layer disposed on a bottom surface side of the light guide layer, and an imaging camera that captures an image of a living body superimposed on the aerial image through an opening formed in the retroreflective layer, and performs biometric authentication based on an image captured by an imaging camera.