Abstract: A light source device includes a plurality of light emitters, an optical system configured to combine light from the light emitters, a wavelength selective filter located on an optical path of the optical system, and an optical sensor configured to receive light from one light emitter among the light emitters through an optical filter. The optical filter has a wavelength selection characteristic corresponding to a wavelength selection characteristic of the wavelength selective filter.

Abstract: An endoscope device includes a processor configured to calculate light source control information based on first information regarding a scope and second information regarding a light source device, and to control a light source of the light source device based on the light source control information. The second information includes a ratio of an amount of light emitted from a distal end of a reference scope to an amount of light emitted from the light source device to the reference scope.

Abstract: A light source device includes a plurality of light emitters, an optical system configured to combine light from the light emitters, a wavelength selective filter located on an optical path of the optical system, and an optical sensor configured to receive light from one light emitter among the light emitters through an optical filter. The optical filter has a wavelength selection characteristic corresponding to a wavelength selection characteristic of the wavelength selective filter.

Abstract: A driving operation handover system includes a memory and a processor, wherein the processor is configured to: acquire a first characteristic value of preset setting characteristics during travel of a vehicle equipped with a manual operation unit that an occupant operates; acquire a second characteristic value of the preset setting characteristics during travel of a virtual vehicle that simulates the vehicle, which a remote operator operates using a remote operation unit; calculate a difference value between the first characteristic value and the second characteristic value; in a case in which the difference value is lower than a setting threshold value, notify the occupant and the remote operator that operation of the vehicle can be handed over; and after notification, switch operation of the vehicle from one of the remote operator or the occupant to another of the remote operator or the occupant.

Abstract: A remote operation system includes a processor that is configured to acquire position information and communication quality information from each of plural vehicles on a regular basis, create position-specific communication quality information in which the position information and the communication quality information are associated with each other, supply the position-specific communication quality information to an operator of a remote operation target vehicle.

Abstract: A light source system includes an illumination device configured to generate illumination light, and a light source module having a function of supplying light to the illumination device and configured to be detachably attached to the illumination device. The illumination device includes a first light source and a first storage configured to store characteristic information of the first light source. The light source module includes a second light source and a second storage configured to store characteristic information of the second light source. The illumination device includes a control circuit configured to determine a driving condition of at least one of the first and second light sources, based on the characteristic information of the first and second light sources.

Abstract: An endoscope system includes an endoscope including a control section, an insertion section, and a light guide member, a light source configured to emit light guided by the light guide member, a failure-cause detecting circuit configured to detect a pre-failure state that causes a failure of the endoscope, and a light source controller configured to control an output of the light source based on a detection result of the failure-cause detecting circuit. The failure-cause detecting circuit includes a cause predicting circuit configured to detect a second pre-failure state in which it is predicted that the endoscope reaches a first pre-failure state that directly causes the failure of the endoscope. The light source controller controls the output of the light source based on a detection result of the cause predicting circuit.

Abstract: An endoscope system includes an illuminator comprising a light source adapted to emit light of a light amount corresponding to a magnitude of supply energy, the illuminator configured to emit the light in a form of illumination light for illuminating a subject; an imager configured to image the subject to acquire an image; a controller configured to control the illuminator by adjusting the magnitude of the supply energy within a range less or equal to a maximum supply value, to bring brightness of the illumination light close to a target value; and a setter configured to set the maximum supply value according to a temperature of the light source.

Abstract: An imaging system includes a lighting controller for independently controlling emission of illumination light to be emitted by a light source in: (i) a non-all-line exposure period, which contains a reading period in which electrical signals are sequentially read out on a horizontal-line basis from an image sensor for one frame or one field period, and in which at least one horizontal line of the horizontal lines for the one frame or the one field period is not exposed to light, and (ii) in an all-line exposure period, in which all of the horizontal lines for the one frame or the one field period are exposed to light.

Abstract: A light source device includes a detector that detects a remaining capacity, and a prediction calculation circuit that calculates a capacity consumption predictive value indicating a ratio of consuming a capacity of a supply source within a predetermined period of time in each illumination mode. The light source device further includes a capability calculation circuit that calculates a driving capability of the supply source corresponding to each of the illumination modes, based on the remaining capacity and the capacity consumption predictive value; and a reporting unit that reports the driving capability.

Abstract: An imaging system includes an illumination portion, an imager, a reader, and an illumination controller configured to control an intensity of illumination light based on modulated illumination in a non-reading period. The modulated illumination has a first integrated light amount as a product of a variable intensity of a first pulse and an output period of the illumination light and a second integrated light amount as a product of a constant intensity of a second pulse and the output period. In the non-reading period, the illumination controller causes a predetermined light amount that is not larger than a maximum value of the first integrated light amount and is not smaller than a minimum value of the second integrated light amount to transit between the first integrated light amount and the second integrated light amount.

Abstract: A light source device includes a semiconductor light source that radiates light at a light quantity according to an applied current, a circuit that determines a current instruction value based on control information, first and second drive units, each of the units that is connected to the semiconductor light source and the circuit, and is capable of outputting, to the semiconductor light source, a current having magnitude corresponding to the current instruction value. The control information is set based on brightness of an image captured by an imaging element. When one of the first and second drive units is switched to the other, the circuit causes the other to start the current output after an elapse of a predetermined stop time period having a length at a predetermined ratio or less to a frame rate on the imaging element since a stop of the current output from the one.

Abstract: A light source device includes a laser diode configured to emit a laser light used as an illumination light, a determination unit configured to determine one of a plurality of modes as an operation mode of the laser diode based on usage state of the light source device; and a driver configured to drive the laser diode in a condition that a bias current to the laser diode is applied depending on the operation mode determined by the determination unit.

Abstract: A driving operation handover system includes a memory and a processor, wherein the processor is configured to: acquire a first characteristic value of preset setting characteristics during travel of a vehicle equipped with a manual operation unit that an occupant operates; acquire a second characteristic value of the preset setting characteristics during travel of a virtual vehicle that simulates the vehicle, which a remote operator operates using a remote operation unit; calculate a difference value between the first characteristic value and the second characteristic value; in a case in which the difference value is lower than a setting threshold value, notify the occupant and the remote operator that operation of the vehicle can be handed over; and after notification, switch operation of the vehicle from one of the remote operator or the occupant to another of the remote operator or the occupant.

Abstract: A remote operation system includes a processor that is configured to acquire position information and communication quality information from each of plural vehicles on a regular basis, create position-specific communication quality information in which the position information and the communication quality information are associated with each other, supply the position-specific communication quality information to an operator of a remote operation target vehicle.

Abstract: A remote operation system including a processor that is configured to acquire position information and communication quality information from each of a plurality of vehicles, on a regular basis, create position-specific communication quality information in which the position information and the communication quality information are associated with each other, create communication-prioritized route information representing a route linking together positions where communication quality is a predetermined value or greater, and also to create time-prioritized route information representing a route with a shorter journey time to a destination than the communication-prioritized route, supply the communication-prioritized route information and the time-prioritized route information to an occupant of a remote operation target vehicle, instruct a remote operation station of a selected route selected, and execute a countermeasure enabling travel stability to be maintained at a position where communication quality is be

Abstract: A first processor provided in a manual operation device of a vehicle, a second processor provided in a remote operation device transmits operator information to the manual operation device and receives occupant information. The first processor notifies an occupant of the received operator information, and determines whether an operator can be authenticated by the occupant. The second processor notifies the operator of the received occupant information, and determines whether or not the occupant can be authenticated by the operator. The third processor permits switching of driving operation from one to another of the manual operation device and the remote operation device only in a case in which the operator has been determined authenticable by the first processor and the occupant has been determined authenticable by the second processor.

Abstract: A remote driving system has a manual operation section, an automatic operation section, an input section, and a remote driving terminal control section. The manual operation section is provided at a remote operation section that remotely drives a vehicle, and manual operation of the vehicle by a remote driver is carried out. The automatic operation section is provided at the remote operation section, and carries out automatic driving of the vehicle on the basis of information of a traveling state that is sensed by a vehicle sensing section. In a case in which the operator information is inputted to the input section, the remote driving terminal control section carries out control that switches driving operation of the vehicle from the manual operation section to the automatic operation section.

Abstract: An endoscope illumination apparatus includes a light convertor including first and second light conversion members that receive primary light emitted from a primary light source and convert at least one of the optical properties of the primary light, a detector that receives at least part of first light conversion light converted by the first light conversion member as detection light, and outputs a detection signal corresponding to a quantity of the detection light, and an operation estimation circuit that estimates, based on an amount of change in the detection signal output from the detector, whether any one of the first and second light conversion members is in an abnormal operation or both of the first and second light conversion members are in an abnormal operation.

Abstract: An illumination apparatus in an endoscopic system includes a light source unit having lasers with different peak wavelengths, the lasers being divided by peak wavelength into narrow band light source groups, a color imaging unit that detects the illumination color of illumination light, a memory that stores an appropriate illumination color for each narrow band light source group, an output calculator that, for each narrow band light source group, compares the illumination color obtained upon light emission by the lasers belonging to the narrow band light source group with the appropriate illumination color of the narrow band light source group and calculates an appropriate output for each of the lasers belonging to the narrow band light source group, and a light source controller that controls the lasers on the basis of the calculated appropriate output.