Abstract: A method for obtaining a photoplethysmographic signal suitable for medical measurement from a body of a patient, includes emitting light multiple times toward the body using a photoplethysmographic sensor that is set to have different combinations of parameters, and converting, for each combination, the light reflected by or passing through the body and received by the sensor into a photoplethysmographic signal, calculating a score for the signal corresponding to each combination based on a waveform of the signal, and determining one of the combinations of parameters, the score of which is the highest, to be used to generate a photoplethysmographic signal suitable for medical measurement.

Abstract: A coil assembly includes a strip member having a width in an axial direction, a length in a circumferential direction, and a thickness in a radial direction of a coil assembly. The strip is rolled in the circumferential direction into a plurality of turns stacked on one another. The coil group includes a plurality of coils made from an electrically conductive material. The coils are arranged in a length direction of the strip. Each of the coils is shaped, to have an open end facing in a first width direction and a closed end facing in a second width direction opposite the first width direction. Two of the coils arranged adjacent each other in the length direction of the strip are connected in a preselected way on a first width end facing away from a second width end portion of the strip in the first width direction.

Abstract: A coil assembly includes a plurality of strip members which are rolled or wound in a circumferential direction of the coil assembly. The strip members have at least portions overlapping each other in a radial direction of the coil assembly and stacked on one another in the radial direction of the coil assembly. The strip members have a plurality of coils disposed thereon. The coil assembly also has a thin-walled portion and thick-walled portions. The thin-walled portion is defined by a portion of the strip members and has a first thickness in the radial direction. The thick-walled portions are defined by portions of the strip members and have a second thickness in the radial direction which is greater than the first thickness. The thick-walled portions are arranged away from each other in the circumferential direction.

Abstract: A coil assembly includes: a band member formed of an electrically-insulative material into a band shape and rolled along a circumferential direction; and a plurality of coils formed of an electroconductive material on the band member and arranged in alignment with each other along the circumferential direction. The plurality of coils have a plurality of paths through which electric current flows and which constitute parts of a closed circuit. The coil assembly also includes first and second connection portions. The first connection portion constitutes a part of the closed circuit and connects between the plurality of paths. The second connection portion constitutes another part of the closed circuit and connects between the plurality of paths so that induced currents, which are induced in the closed circuit by electromagnetic induction due to movement of magnets in the circumferential direction, are canceled out by each other in the closed circuit.

Abstract: A stator includes a stator core, a coil assembly and a coil assembly support member. The coil assembly has a band member rolled along a circumferential direction into an annular shape, a coil formed on the band member, and a coil-assembly-side recess formed in the band member. The coil assembly support member is provided between the stator core and the coil assembly and mounted to the stator core. The coil assembly support member has a support-member-side protrusion. The coil assembly is positioned with respect to the stator core through engagement between the support-member-side protrusion and the coil-assembly-side recess.

Abstract: A coil assembly includes a band member and a plurality of coils. The band member is rolled along a circumferential direction into an annular shape and has a plurality of layers in a radial direction. The coils have vertical portions, and are located at predetermined positions in the circumferential direction and the radial direction on the band member and connected in a predetermined connection pattern. Moreover, the coil assembly further includes vertical-portion laminates constituted of the vertical portions of the coils which are radially laminated in a cross section of the band member and the coils taken along the radial direction. Each of the vertical-portion laminates is configured so that each radially-adjacent pair of the vertical portions constituting the vertical-portion laminate have different electric potentials when the coils are energized.

Abstract: A stator includes an armature core having an annular shape, coils, and an insulator. The coils are arranged along the armature core. Each of the coils is a wound conductive winding. Each of the coils includes a pair of facing portions disposed to be aligned in a circumferential direction with a predetermined interval therebetween. The first and second facing portions of each of the coils constitute intermediate portions of the corresponding one of the coils. Each of the coils includes a pair of first and second coil end portions that link the facing portions to each other. The insulator is arranged between the stator core and the coils. The insulator includes a base comprised of an insulating material, and one or more soft-magnetic members each being comprised of a soft-magnetic material, the one or more soft-magnetic members being contained in the base.

Abstract: A power conversion apparatus connected to three or more voltage units, includes three or more power conversion circuits connected to respective units of the three or more voltage units; and a multiport transformer connected to the three or more power conversion circuits at mutually different ports, in which at least one voltage unit of the three or more voltage units is an electrical load.

Abstract: The checkout apparatus includes a first processing unit, a second processing unit, and a switching unit. The first processing unit handles, based on data regarding a first product being purchased input with a registration apparatus, payment for the first product being purchased. The second processing unit handles, based on data regarding a second product being purchased input with a terminal or device other than the registration apparatus, payment for the second product being purchased. The switching unit switches between, according to an operation input via an operating element, enabling the first processing unit to handle the payment and enabling the second processing unit to handle the payment.

Abstract: A motor includes a stator having a stator core. The stator includes a coil connection body of one phase having a plurality of coils connected with each other; at least one of the coils has an electrical resistance set to be different from an electrical resistance of another of the coils. The stator also includes a coil connection body of another phase having a plurality of coils connected with each other; at least one of the coils has an electrical resistance set to be different from an electrical resistance of another of the coils. Moreover, the coil connection body of the another phase has a combined resistance set to be equal to a combined resistance of the coil connection body of the one phase.

Abstract: A vehicle-mounted sensor cleaning device cleans a sensing surface of a vehicle-mounted sensor. The vehicle-mounted sensor cleaning device includes a gas nozzle spraying a gas toward the sensing surface, a gas supply device supplying the gas to the gas nozzle, and a control section controlling operation of the gas supply device. A predetermined value is set in the control section, for indicating an abnormal state of detection accuracy of the vehicle-mounted sensor based on detection accuracy information of an object which is obtained from the vehicle-mounted sensor. A gas supply threshold value is also set, for use in operating the gas supply device to direct a supply of the gas toward the sensing surface before the detection accuracy information becomes equal to or lower than the predetermined value. If the detection accuracy information has become lower than the gas supply threshold value, the control section operates the gas supply device.

Abstract: In an embodiment, a merchandise registration apparatus has a processor configured to calculate a first-type value for a check digit of a merchandise code according to a first code system, and compare the first-type value to the check digit of the merchandise code according to the first code system, register an item of merchandise corresponding to the merchandise code when the first-type value matches the check digit of the merchandise code according to the first code system. If the first-type value does not match the check digit, a second-type value is calculated for the check digit according to a second code system, and the calculated second-type value is compared to the check digit according to the second code system. When the second-type value matches with the check digit in the merchandise code, the processor registers an item of merchandise corresponding to the merchandise code according to the second code system.

Abstract: According to one embodiment, there is provided a settlement device and a settlement method capable of changing, according to a medium to be output, a degree of anonymization of an identification number related to electronic settlement. The settlement device includes: a reception unit configured to receive input of an identification number related to electronic settlement; a settlement unit configured to execute settlement processing for a transaction using the electronic settlement; and an output unit configured to generate, when the settlement processing is completed, based on setting information in which an unidentifiable range of digits of the identification number is set for each type of medium to be output, the identification number having the unidentifiable range of digits for each type of the medium, and to output the generated identification number together with information based on the transaction.

Abstract: An electronic receipt system has a first server to store first identification codes for store program members and a second server to store second identification codes set for people belong to an electronic receipt service operated by an entity other than the store. The first server stores first identification codes in association with second identification codes. A first control unit of the first server receives and then transmits receipt data including a second identification code to the second server. A second control unit of the first server receives receipt data including a first identification code and acquires a corresponding second identification code from the storage unit, adds the second identification code to the receipt data and transmits the receipt data to the second server without the including the first identification code.

Abstract: A transaction processing system provides for improved item return and exchange processing for retail stores and the like. The system includes a point-of-sale terminal configured to generate transaction data for a customer transaction and perform processing operations related to returns and exchanges and a server. The server includes a storage unit storing transaction data for previous customer transactions. The transaction data for the previous customer transactions includes a list of items in the transaction. A processor in the server selects the transaction data of one of the previous customer transactions based on an input of a transaction identifier from the point-of-sale terminal, cancels the selected transaction data, generates registration data for a new customer transaction with the list from the now-cancelled transaction data, updates the new registration data according to instructions from the point-of-sale terminal, and stores the updated registration data as new transaction data.

Abstract: A power conversion apparatus connected to three or more voltage units, includes three or more power conversion circuits connected to respective units of the three or more voltage units; and a multiport transformer connected to the three or more power conversion circuits at mutually different ports, in which at least one voltage unit of the three or more voltage units is an electrical load.

Abstract: A power conversion apparatus connected to three or more voltage units, includes three or more power conversion circuits connected to respective units of the three or more voltage units; and a multiport transformer connected to the three or more power conversion circuits at mutually different ports, in which at least one voltage unit of the three or more voltage units is an electrical load.

Abstract: A checkout apparatus in a point of sales (POS) system including a customer terminal and an attendant terminal, includes a network interface, a scanner, and a processor configured to, upon receipt of a checkout code from the customer terminal via the scanner, acquire data of one or more commodities that have been registered for purchase by the customer terminal, determine whether said one or more commodities include a particular type of commodity that needs to be checked by an attendant, and upon determining that said one or more commodities include the particular type of commodity, control the network interface to transmit a notification to the attendant terminal before executing checkout processing on the commodity.

Abstract: A checkout device in a point of sales (POS) system includes a table on which one or more merchandise items can be placed, a scale configured to measure a total weight of the merchandise items placed on the table, a scanner configured to read an image displayed on a terminal operated by a customer, and a processor. The processor is configured to, upon receipt of the image by the scanner, determine one or more merchandise items that have been registered by the customer using the terminal, determine a total weight of the registered merchandise items using a weight predetermined for each merchandise item, determine whether a difference between the determined total weight and the measured total weight exceeds a threshold, and upon determining that the difference exceeds the threshold, issue an abnormal command.

Abstract: According to an embodiment, a payment apparatus acquires a data file in which data relating to sale of a commodity is recorded, the data being input through a terminal operated by a customer in a sales floor. The payment apparatus provides the customer with a notification for determining whether or not the customer has service specifying information for specifying a service to be provided to the customer on condition that the data file is acquired. The payment apparatus receives an input of the service specifying information when an instruction input indicating that the customer has the service specifying information is received in responses to the notification.