Abstract: This waveguide comprises: three or more conductor layers that are stacked; two or more dielectric layers that are stacked, each being formed between two conductor layers adjacent to each other among the three or more conductor layers; and a first via group and a second via group each including one or more vias disposed in at least one dielectric layer among the two or more dielectric layers. The first via group and the second via group are arrayed in parallel. Among the vias included in the first via group and the second via group, the vias disposed in at least one of the two or more dielectric layers differ in position on the plane of the dielectric layer from the vias disposed in the remaining dielectric layer.

Abstract: This antenna device comprises: a radiator which includes a plurality of conductor portions stacked in mutually different layers in a stacked substrate and extending in a first direction, and a via extending in a second direction orthogonal to a plane along each of the plurality of conductor portions and connecting the plurality of conductor portions, the radiator radiating radio waves in a direction centered in a third direction orthogonal to the first direction and the second direction; a reflector provided in an opposite direction from the third direction and opposed to the radiator; and a feeding portion connected to a first conductor portion positioned at the center in the second direction among the plurality of conductor portions to feed power to the radiator.

Abstract: This waveguide comprises: a dielectric layer; a first conductor layer layered in the layering direction of the dielectric layer; a second conductor layer layered in the layering direction of the dielectric layer at a position that differs from that of the first conductor layer; a plurality of first conductor vias that electrically connect the first conductor layer and the second conductor layer; and a connection section that is surrounded by the first conductor layer, the second conductor layer, and the plurality of first conductor vias, is present in a waveguide portion through which electromagnetic waves pass, and electrically connects two or more second conductor vias disposed in the vicinity of specific locations where scattering of electromagnetic waves occurs.

Abstract: A lens antenna according to one embodiment of the present disclosure comprises: a dielectric substrate; a lens which is formed from a surface that is perpendicular to a flat surface of the dielectric substrate and in a direction along the flat surface, and which is configured to be integrated with a dielectric forming the dielectric substrate; and a first antenna which is located near the perpendicular surface and which forms a first main lobe in the foregoing direction.

Abstract: This waveguide comprises: a first multilayered board in which a first dielectric layer and a plurality of first conductive layers the latter of which has a first opening are stacked; a first through via group in which a plurality of first through vias for electrically connecting the first conductive layers are aligned, in an in-plane direction of the first multilayered board, at intervals that are equal to or less than the one-half wavelength of an electromagnetic wave that is to be caused to propagate through the waveguide; and a second through via group in which a plurality of second through vias for electrically connecting the first conductive layers are aligned at said intervals in the in-plane direction. The waveguide does not have any through vias other than the plurality of first through vias and the plurality of second through vias.

Abstract: A printer is configured to perform printing on a linerless label including a pressure-sensitive adhesive surface formed on a back surface of the linerless label. The printer includes: a casing including: a receiving portion configured to receive the linerless label before printing; and a delivery slot through which the printed linerless label is delivered; a printing unit including: a thermal head, which is arranged inside the casing, and is configured to perform printing on the linerless label; and a platen roller, which extends in a width direction of the linerless label, and is configured to convey the linerless label toward the delivery slot while sandwiching the linerless label between the platen roller and the thermal head; and a sensor configured to detect the linerless label located between the printing unit and the delivery slot. The casing includes a guide surface to be opposed to the pressure-sensitive adhesive surface of the linerless label that has passed through the printing unit.

Abstract: A light measuring apparatus includes a light receiver that receives light from a measurement target capable of emitting light, a memory that stores in advance calibration data corresponding to a plurality of gradations corresponding to a plurality of light emission modes of the measurement target for each color of light emitted from the measurement target, and a hardware processor that calculates light emission information including a measurement target parameter of the light received by the light receiver using a light intensity signal received by the light receiver and calibration data corresponding to a light emission state of the measurement target.

Abstract: A lens antenna according to one embodiment of the present disclosure comprises: a dielectric substrate; a lens which is formed from a surface that is perpendicular to a flat surface of the dielectric substrate and in a direction along the flat surface, and which is configured to be integrated with a dielectric forming the dielectric substrate; and a first antenna which is located near the perpendicular surface and which forms a first main lobe in the foregoing direction.

Abstract: A thermal printer includes: a housing; a platen roller supported on the housing so as to be rotatable; a thermal head housed in the housing and arranged so as to be opposed to the platen roller; and a paper guide that forms a sheet passage for a sheet between the housing and the paper guide, and is pivotally supported on the housing so as to be pivotable about a pivot axis between a guide position at which the sheet is allowed to be fed between the platen roller and the thermal head, and an open position at which the sheet passage for the sheet is exposed.

Abstract: A mode transition device according to an embodiment of the present disclosure comprises: a first dielectric substrate that has a microstrip line that is constituted by a line conductor and a first ground conductor that faces the line conductor, said first dielectric substrate having a first thickness; a second dielectric substrate that has a post wall waveguide that includes a first conductor layer that is connected to the line conductor in the same plane and a second conductor layer that faces the first conductor layer, said second dielectric substrate having a second thickness that is thicker than the first thickness; and a first via that electrically connects the first ground conductor and the second conductor layer.

Abstract: This waveguide comprises: three or more conductor layers that are stacked; two or more dielectric layers that are stacked, each being formed between two conductor layers adjacent to each other among the three or more conductor layers; and a first via group and a second via group each including one or more vias disposed in at least one dielectric layer among the two or more dielectric layers. The first via group and the second via group are arrayed in parallel. Among the vias included in the first via group and the second via group, the vias disposed in at least one of the two or more dielectric layers differ in position on the plane of the dielectric layer from the vias disposed in the remaining dielectric layer.

Abstract: This waveguide comprises: a first multilayered board in which a first dielectric layer and a plurality of first conductive layers the latter of which has a first opening are stacked; a first through via group in which a plurality of first through vias for electrically connecting the first conductive layers are aligned, in an in-plane direction of the first multilayered board, at intervals that are equal to or less than the one-half wavelength of an electromagnetic wave that is to be caused to propagate through the waveguide; and a second through via group in which a plurality of second through vias for electrically connecting the first conductive layers are aligned at said intervals in the in-plane direction. The waveguide does not have any through vias other than the plurality of first through vias and the plurality of second through vias.

Abstract: A printer is configured to perform printing on a linerless label including a pressure-sensitive adhesive surface formed on a back surface of the linerless label. The printer includes: a casing including: a receiving portion configured to receive the linerless label before printing; and a delivery slot through which the printed linerless label is delivered; a printing unit including: a thermal head, which is arranged inside the casing, and is configured to perform printing on the linerless label; and a platen roller, which extends in a width direction of the linerless label, and is configured to convey the linerless label toward the delivery slot while sandwiching the linerless label between the platen roller and the thermal head; and a sensor configured to detect the linerless label located between the printing unit and the delivery slot. The casing includes a guide surface to be opposed to the pressure-sensitive adhesive surface of the linerless label that has passed through the printing unit.

Abstract: A light measuring apparatus includes a light receiver that receives light from a measurement target capable of emitting light, a memory that stores in advance calibration data corresponding to a plurality of gradations corresponding to a plurality of light emission modes of the measurement target for each color of light emitted from the measurement target, and a hardware processor that calculates light emission information including a measurement target parameter of the light received by the light receiver using a light intensity signal received by the light receiver and calibration data corresponding to a light emission state of the measurement target.

Abstract: This sensor includes: a sensing circuit for detecting an object moving along a path; a receiving circuit for receiving, from other sensors that have detected the object, identification information for the other sensors; and a control circuit for causing a storage circuit to store the most recently received identification information for another sensor in response to the detection of the object by the sensing circuit.

Abstract: An information processing apparatus for associating an identifier of each of a plurality of sensors and a known installation position of a corresponding one of the plurality of sensors receives an identifier transmitted by a detection-complete sensor that has detected an object; associates, in a first path that is a part of the path, the identifier with an installation position of the detection-complete sensor in a reception order of a plurality of the identifiers; receives, from a detection-incomplete sensor that has not detected the object, reception strength information including an identifier of the detection-incomplete sensor and a reception strength of a signal of another one or more of the plurality of sensors in the detection-incomplete sensor; and associates, for the detection-incomplete sensor installed on a second path that is a rest of the path, the identifier of the detection-incomplete sensor and an installation position of the detection-incomplete sensor.

Abstract: In a radio network system containing a first radio apparatus that performs central control and a second radio apparatus, the second radio apparatus receives a first signal containing first identification information indicating a transmission source during a first reception period, receives a second signal containing second identification information indicating a transmission source during a second reception period, measures first reception information on reception of the first signal, measures second reception information on reception of the second signal, and transmits first measurement information containing the first reception information and the first identification information and second measurement information containing the second reception information and the second identification information to the first radio apparatus.

Abstract: An object detection apparatus in a vehicle is provided. The object detection apparatus includes one or more sensors configured to detect at least one object located on at least three rows of seats in the vehicle, the one or more sensors being positioned on a ceiling of the vehicle. The object detection apparatus further includes a circuit configured to determine whether or not the at least one object detected is a living-object. A number of the one or more sensors is less than a number of the at least three rows of seats.

Abstract: A mobile radio apparatus transmits to a plurality of fixed radio apparatuses, a fingerprint that indicates a reception strength distribution of radio signals from the plurality of fixed radio apparatuses. Each of the plurality of fixed radio apparatuses in which a learning model is installed inputs the fingerprint to the learning model and transmits a degree of proximity of the mobile radio apparatus output from the learning model to another one or more of the plurality of fixed radio apparatuses, and determines a position of the mobile radio apparatus, based on a first degree of proximity output from the learning model and a second degree of proximity received from the other one or more of the plurality of fixed radio apparatuses.

Abstract: A cutter unit configured to cut a recording sheet to be advanced toward a forward side in an advancing direction, includes: a fixed blade, which includes a fixed blade edge, and is provided on a first surface side of the recording sheet; a movable blade including: a movable blade edge opposed to the fixed blade edge in a cutting direction crossing the advancing direction; and a sliding surface, which is provided on a backward side in the advancing direction, and is configured to be slid on the fixed blade; and a rack holder capable of reciprocating along the cutting direction, the rack holder including: a movable blade holder configured to support the movable blade; and an urging member configured to urge the movable blade to the backward side in the advancing direction.