Abstract: A laser sensor includes: a mirror configured to scan a reflection angle of laser light; a driving waveform generation circuit configured to generate a waveform of a driving signal that controls an amplitude of the mirror, according to an amplitude command value based on a target amplitude that defines a scanning range of the mirror; and a feedforward circuit configured to reflect a transient model in a case where the amplitude of the mirror transiently changes with time according to the driving signal in a case where the target amplitude is changed and a target model of a temporal change of the amplitude of the mirror on the amplitude command value through feedforward control.

Abstract: A ranging device includes: a light projection circuit configured to project laser light; a light receiving circuit configured to receive reflected light of the laser light projected by the light projection circuit; and a processor configured to: measure a time from a time when the light projection circuit projects the laser light to a time when the light receiving circuit receives the reflected light; calculate a first distance from the light projection circuit to the light receiving circuit via a ranging target, by using the time; and specify a third distance between the light projection circuit and the ranging target, by using a light projection angle of the laser light, the first distance, and a second distance between the light projection circuit and the light receiving circuit when a ratio of the first distance with respect to the second distance is equal to or less than a predetermined threshold.

Abstract: A master device includes: a light emission circuit configured to emit first laser light; an amplitude control circuit configured to control a scanning amplitude of a micro electro mechanical system (MEMS) mirror that scans the first laser light in a raster scan method; a timing data generation circuit configured to generate timing data that indicates a timing when a scanning angle of the MEMS mirror becomes zero, based on an operation of the MEMS mirror; a buffer configured to store the timing data in one frame of the scanning of the MEMS mirror; a light emission control circuit configured to control light emission of the first laser light by the light emission circuit, based on the timing data generated by the timing data generation circuit; and a data output circuit configured to output data to a slave device that operates dependent on an own device.

Abstract: A measurement device includes: a memory; and a processor coupled to the memory and configured to: generate a drive signal with a sine wave, according to a clock signal; control a reflection direction of output light of a light emitting device, by utilizing a resonance frequency, according to the drive signal; control a timing at which the drive signal is generated; and add or remove a pulse of a reference clock signal configured to generate the clock signal, according to a phase difference between a desired control signal and the control signal.

Abstract: A scanning-type distance measurement apparatus that includes a two-dimensional micro electro mechanical system (MEMS) mirror that reflects a laser beam includes: a memory; and a processor coupled to the memory and configured to: drive, on an axis that controls an angle of view out of two axes orthogonal to each other of the two-dimensional MEMS mirror, the axis of the two-dimensional MEMS mirror with a drive signal; and control a scanning angle range of the laser beam when a drive waveform of the drive signal is offset by an offset amount to shift a center angle of the scanning angle range, on the basis of the offset amount according to a shift direction from the center angle.

Abstract: A measurement system including a plurality of measurement apparatuses configured to cooperate to measure a measurement target moving, with a MEMS mirror performing raster scanning using laser beams with a same wavelength and with a synchronized measurement period, wherein of the plurality of measurement apparatuses, a first measurement apparatus corresponding to a detected position of the measurement target emits the laser beam onto the measurement target in the measurement period, to measure a distance to the measurement target based on a reflected beam from the measurement target, and while the first measurement apparatus is emitting the laser beam onto the measurement target in the measurement period, a second measurement apparatus different from the first measurement apparatus emits the laser beam in a period other than the measurement period.

Abstract: A laser sensor includes: a micro electro mechanical systems (MEMS) mirror that performs scanning in a reflection direction of laser light of a light emitting device on a first axis in a resonance direction and a second axis in a non-resonant direction; and a processor that performs control that synchronizes a drive cycle of the second axis with the drive cycle of the second axis of the MEMS mirror mounted on another laser sensor, using a timing designated based on the drive cycle of the first axis.

Abstract: A distance measurement device includes the plurality of laser sensors and a processor. The plurality of laser sensors configured to project a laser beam and receive reflected light from a measurement target that moves within a measurement region. The processor configured to drive, based on the measurement region and a provision position of the plurality of laser sensors, each of the laser sensors at a light emission cycle in which a light receiving window that receives reflected light of own light and an interference risk range are included the interference risk range being a range in which an interference is caused by a laser beam from another laser sensor. The processor controls to laser beam emission timings of the plurality of laser sensors so as to be different from each other.

Abstract: A measurement method executed by a computer, the method includes executing transmission processing and measuring processing, the transmission processing including a process of notifying a first signal instructing light emitting processing and the measuring processing, the measuring processing including a process of identifying a distance by measuring a time from a reception time of the first signal; setting a communication path for notifying a second signal output by the transmission processing to the measuring processing via a transceiver for transmitting a synchronization signal, the synchronization signal being for notifying an external measurement device of a light emission output by the light emitting processing; and identifying a timing for transmitting the synchronization signal output by the transmission processing based on a time difference between a time for receiving the second signal not through the transceiver and a time for receiving the second signal via the transceiver.

Abstract: An information providing method includes: measuring a static object three-dimensionally in an environment, by a processor; sequentially measuring a position of a dynamic object in the environment, by the processor; transmitting measurement data of the static object measured to a predetermined information processing apparatus through a communication network; transmitting measurement data of the dynamic object measured to the information processing apparatus through a communication network; receiving support data rem the information processing apparatus based on an environment grasping image that is generated from the measurement data, of the static object and the measurement data of the dynamic object by the information processing apparatus; and presenting the received support data to the environment at predetermined timing, by the processor.

Abstract: A position calculation device includes, a memory, and a processor coupled to the memory and the processor configured to, receive a first beacon signal transmitted from a first transmitter installed in a first floor and a second beacon signal transmitted from a second transmitter installed in a second floor, perform a first determination of a floor where the position calculation device is positioned based on measurement information of a motion sensor, perform a second determination of a specific beacon signal from among the first beacon signal and the second beacon signal, the specific beacon signal corresponding to the determined floor, and calculate a first position of the position calculation device based on the specific beacon signal.

Abstract: An information providing method includes: measuring a static object three-dimensionally in an environment, by a processor; sequentially measuring a position of a dynamic object in the environment, by the processor; transmitting measurement data of the static object measured to a predetermined information processing apparatus through a communication network; transmitting measurement data of the dynamic object measured to the information processing apparatus through a communication network; receiving support data rem the information processing apparatus based on an environment grasping image that is generated from the measurement data, of the static object and the measurement data of the dynamic object by the information processing apparatus; and presenting the received support data to the environment at predetermined timing, by the processor.

Abstract: An information reading system includes a passive-type IC tag that identifies a device installed on side of an environment, a tag reader that reads identification information of the passive-type IC tag, a sensor unit that detects a touch operation performed with respect to the passive-type IC tag, and a reading control unit that, when the sensor unit detects a touch operation, activates the tag reader and controls timing of reading the passive-type IC tag.

Abstract: An input detection unit detects a motion of a finger on which a wearable device is worn. An axis detection unit detects an axis representing the posture of the finger on the basis of the detected motion of the finger. A display control unit displays a virtual laser printer that moves in association with the detected axis and the trace of the axis on a head-mounted display.

Abstract: A direction discrimination device, that includes: an optical receiver section that includes a plurality of photoelectric conversion sections outputting electrical signals according to an amount of light received as light reception amount data, and a polarization section causing mutually different polarization directions for light receivable by the plurality of respective photoelectric conversion sections, and that has an established second reference direction specifying the heading of each of the photoelectric conversion sections when receiving light; and a discrimination section that discriminates an angular displacement of the second reference direction with respect to a first reference direction, based on the light reception amount data obtained by the plurality of photoelectric conversion sections in a specific region and polarization direction data extracted from received light.

Abstract: An information reading system includes a passive-type IC tag that identifies a device installed on side of an environment, a tag reader that reads identification information of the passive-type IC tag, a sensor unit that detects a touch operation performed with respect to the passive-type IC tag, and a reading control unit that, when the sensor unit detects a touch operation, activates the tag reader and controls timing of reading the passive-type IC tag.

Abstract: A charging/discharging circuit electrically controls the charge of a battery using supplied current and discharge of it. A micro-controller drives a robot according to instructions from a personal computer, controls the charging/discharging circuit while monitoring the battery state, and during the charge, prohibits the operation of a travel mechanism.

Abstract: A charging/discharging circuit electrically controls the charge of a battery using supplied current and discharge of it. A micro-controller drives a robot according to instructions from a personal computer, controls the charging/discharging circuit while monitoring the battery state, and during the charge, prohibits the operation of a travel mechanism.

Abstract: An on-vehicle input and output apparatus having a head portion and a body portion, has an information input unit for receiving input information in an on-vehicle environment, an information interpreter unit for interpreting the input information received through the information input unit to generate output information, and an information output unit for outputting the output information generated in the information interpreter unit.