Abstract: An illumination optical system illuminates an image display element and includes a first lens array configured to divide light emitted from a light source, a second lens array configured to receive light from the first lens array, and a condenser optical system configured to guide light from the second lens array to the image display element, and a conjugate point of the image display element is located between an incident surface of the first lens array and an incident surface of the second lens array.

Abstract: A vehicle information notification device includes a sound signal analyzer to analyze the notification sound outputted from a first notifier, a system controller to control the operation of the first notifier, an abnormality determiner to determine an operation abnormality of the first notifier on the basis of an analysis result acquired by the sound signal analyzer, and to, when determining that the first notifier is operating normally, determine whether an S/N ratio of the notification sound outputted from the first notifier to ambient noise reaches a permitted level, and a notification controller to cause a second notifier to notify information when it is determined that the first notifier is not operating normally or that the S/N ratio does not reach the permitted level.

Abstract: A fundus imaging apparatus according to embodiments of the present invention includes an optical unit configured to guide light from a fiber light source to a fundus of a subject eye, a wavefront sensor capable of measuring the wavefront of reflected light guided via the optical unit after the light from the fiber light source is reflected on the fundus, a wavefront correction device provided on an optical path extending between the fiber light source and the subject eye to correct the wavefront of the reflected light, an APD that can receive the reflected light and capture an image of the fundus, and a processing and control unit configured to acquire thickness information about an optical diffusive layer of the fundus and determine a correction value to be used when the wavefront correction device corrects the wavefront of the reflected light based on the acquired thickness information.

Abstract: According to one embodiment, a biological information measurement device includes: a biological information measurer configured to carry out intermittent measurement of biological information of a user; a motion information measurer configured to measure motion information of the user; a feature calculator configured to calculate a feature from the motion information; a behavior state determiner configured to determine a behavior state of the user on the basis of the feature; and a measurement interval controller configured to select one intermittent measurement from a plurality of intermittent measurements having different measurement intervals on the basis of the determined behavior state of the user and control the biological information measurer.

Abstract: A vehicle information notification device determines an operation abnormality of a first notifier on the basis of a result of analyzing a notification sound outputted from the first notifier, and, when determining that the first notifier is operating normally, determines whether the S/N ratio of the notification sound to ambient noise reaches a permitted level. When it is determined that the first notifier is not operating normally, or that the S/N ratio does not reach the permitted level, the vehicle information notification device causes a second notifier that notifies information in a sensuous manner other than an acoustic manner to notify information to passengers.

Abstract: According to one embodiment, a display and a sensor signal acceptor which accepts detection signals from a sensor are provided. A first display controller displays a first instruction for instructing a first work on the display, based on the detection signal which indicates an end of preparation for the first work. And, a second display controller displays a second instruction for instructing a next second work on the display, based on the detection signal which indicates an end of the first work.

Abstract: Disclosed is a method of hands-free item verification for a warehouse operator during a picking operation of storage items. Data narrowed down for one or more items existing in a line of sight of an operator with the eyeglass-type wearable device is displayed on a display. Meanwhile, a unique pattern (barcode, QR code, or the like) taken by a camera is recognized. The item verification of a picking target item is performed by comparing the recognized unique pattern and the data related to the item displayed on the display.

Abstract: According to one embodiment, a method includes receiving biometric information about a living body of a user wearing an eyeglasses-type wearable terminal and working in a predetermined range, from the eyeglasses-type wearable terminal, and estimating that the user is concentrating, based on the received biometric information.

Abstract: According to one embodiment, a spectacle-type electronic device of the embodiment is used for a work management system including an information management server which receives items of status information transmitted from targets of work, respectively, and determines an occurrence of abnormality of each of the targets of work based on the items of status information, and a control device which manages workers working on the targets of work. The spectacle-type electronic device is provided for each of the workers who work on the targets of work, transmits worker information indicating a position and a work status of each worker to a communication device, receives information from the communication device, and presents the received information to the workers.

Abstract: According to one embodiment, a system includes a wearable device on a head of a user and including a display in a line of vision of the user, a first detector configured to detect a movement of the user, a second detector configured to detect a state of an apparatus operated by the user, and a server connected to the wearable device, the first detector and the second detector. The server is configured to display information about work contents of the user on the display based on a detection result of the first detector and a detection result of the second detector.

Abstract: According to one embodiment, a spectacle-type electronic device includes a signal processor, a screen and a communication module. The signal processor which modulates the illumination light from the light source to form a signal including individual identification information. The screen positioned at a particular location within an extension of a wearer's line of sight to display the image produced by the image display and illuminated by the light source. The communication processor which communicates with a corresponding electronic device to enable information of a target represented by the image displayed on the screen to be shared by the communication processor and the corresponding electronic device.

Abstract: An eyeglasses-type wearable device of an embodiment can handle various data inputs. The device includes right and left eye frames corresponding to positions of right and left eyes and nose pads corresponding to a position of a nose. Eye motion detection electrodes (sightline detection sensor electrodes) are provided with the nose pads to detect the eye motion of a user. Transmitter/receiver electrodes (capacitance sensor electrodes) of a gesture detector are provided with a part of the right and left eye frames to detect a gesture of the user. Various data inputs are achieved by a combination of input A corresponding to a gesture of the user detected by the gesture detector and input B corresponding to the eye motion of the user detected by the eye motion detector.

Abstract: According to one embodiment, a method executed by an electronic apparatus including storage configured to store device information including first position information indicating a position of a device installed in a particular range and risk information associated with use of the device is provided. The method includes receiving second position information indicating a position of a user wearing an eyeglasses-type wearable terminal and working within the particular range, from the eyeglasses-type wearable terminal and estimating a status of the user, based at least in part on the first position information and the risk information included in the device information, and the second position information.

Abstract: According to one embodiment, an eyeglasses wearable device includes a sensing signal acquisition module configured to acquire sensing signals from potential sensors, a display configured to display display data, a display data output module configured to transmit first display data to the display, a characteristic determination module configured to determine at least timing of blinking of the user based on variations in the sensing signals when the first display data is displayed on the display, and an oversight determination module configured to determine whether the user has overlooked an important display position in the first display data by comparing the timing of blinking with an elapsed time position of the first display data.

Abstract: An illumination optical system includes a first compression system configured to compress a light flux on each of first and second sections, a second compression system configured to compress the light flux on the first section, a polarization converter arranged so that a section that contains a normal of the second polarization splitting surface and the optical axis becomes the second section, and configured to convert non-polarized light into linearly polarized light, a first lens array arranged in front of the polarization converter along an optical path, and a second lens array arranged between the first lens array and the polarization converter along the optical path. Both of the first lens array and the second lens array have no optical power on the second section.

Abstract: An ophthalmic apparatus capable of suppressing ghost, and securing a necessary amount of working distance even when an eye to be inspected has a diopter on a myopia side, includes: a large area image acquisition unit acquiring a large area image of a fundus of the eye to be inspected at a low resolution based on return light of first measuring light from the fundus; a small area image acquisition unit acquiring a small area image of the fundus at a high resolution based on return light of second measuring light from the fundus; and a dichroic prism combining the first measuring light and the second measuring light, and dividing the return light, in which the large area image acquisition unit includes an optical member having a positive optical power, which is arranged at a position opposite to the eye to be inspected with respect to the dichroic prism.

Abstract: An echo cancellation device includes: a full-band echo canceller that generates a pseudo-echo signal; a downsample processor that downsamples a received signal and extracts a low-band component delayed by a delay amount D1; a delay controller that delays the low-band component by a delay amount D2; a delay controller that delays an output signal of the delay controller by a delay amount D3; a low-band echo canceller that generates a pseudo-echo signal delayed by a delay amount D1+D2; and an upsample processor that upsamples the low-band pseudo-echo signal to generate a full-band pseudo-echo signal delayed by the delay amount 2D1+D2. The delay controllers control the delay amounts D2 and D3 such that a tap length LA satisfies a condition of LA?2D1+D2=D2+D3, the tap length LA indicating a response time of the adaptive filter in the full-band echo canceller.

Abstract: In a rotor blade cylindrical portion or a stator portion in which thread grooves are formed, convex surfaces (thread groove peak surfaces) configuring the peak sections of the thread grooves are cut by a desired amount over the entire circumference (a circumferential direction of the thread grooves) of a certain range in an axial direction. As a result, the gap on the lower side of the thread groove portion can partially be expanded by cutting the thread groove peak surfaces by a desired amount.

Abstract: According to one embodiment, a wearable electronic device includes a first sensor, a second sensor and a hardware processor. The first sensor is configured to detect a motion of a user wearing the electronic device. The second sensor is configured to acquire biological information related to the user. The hardware processor is configured to determine whether the user is in an awake state or in an asleep state based on the detection value of the first sensor, and to control operation of at least one of the first sensor and the second sensor.

Abstract: According to one embodiment, an electronic apparatus includes a biological sensor, an extraction module, a state detector, and a transmission controller. The biological sensor generates first biological data. The extraction module extracts one or more first features from the first biological data. The state detector detects a communication state between a communication module and a server. The transmission controller transmits at least one of the first biological data and the one or more first features to the server, based on the detected communication state.