Abstract: An optical unit and an image display device include a display element configured to emit imaging light, a first mirror having partial transparency and configured to reflect a portion of the imaging light emitted from the display element, and a second mirror configured to return the imaging light reflected by the first mirror to the first mirror to form an exit pupil. The imaging light is incident on the first mirror from the display element at a first incident angle, and the imaging light is incident on the first mirror at a second incident angle that is smaller than the first incident angle from the second mirror, and the first mirror includes an angle dependent separation film that shows different separation characteristics for the imaging light according to the difference between the first incident angle and the second incident angle.

Abstract: Provided are a new phosphor having emission characteristics different from the conventional nitride or oxynitride phosphor, a manufacturing method, and a light-emitting device. In an embodiment, the phosphor may include inorganic substance having crystal represented by A26(D, E)51X86 including at least A, D, X (A is at least one kind of element selected from Mg, Ca, Sr, and Ba; and D is Si, and X is at least one kind of element selected from O, N, and F); and further includes, if necessary, E (E is at least one kind of element selected from B, Al, Ga, and In) wherein the crystal further includes M (M is at least one kind of element selected from Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, and Yb). Upon irradiation of excitation source, the maximum value of emission peak in a wavelength range from 630 nm to 850 nm may occur.

Abstract: A braking control device includes a stop holding controller and an uneven-ground traveling determination unit. After the vehicle makes a stop and a brake operation performed by a driver who drives the vehicle is canceled, the stop holding controller is configured to perform execution of a stop holding control that includes holding braking force of the vehicle and canceling the braking force in response to a predetermined start operation performed by the driver. The uneven-ground traveling determination unit is configured to determine whether the vehicle is traveling on an uneven ground. The stop holding controller is configured to disable the execution of the stop holding control in a case where the uneven-ground traveling determination unit determines that the vehicle is traveling on the uneven ground.

Abstract: A panel unit configured to, for imaging light, use different opening ratios depending on a wavelength band for displaying an image, a yellowing optical member that is disposed on an optical path of imaging light emitted from the panel unit, and turns yellow with age, a yellowing degree estimation unit configured to estimate, by prediction, a yellowing degree of the yellowing optical member with age, and a luminance adjustment unit configured to, depending on yellowing of the yellowing optical member, based on data of the yellowing degree estimation unit, adjust luminance of an image in the panel unit, are provided.

Abstract: A vehicle control apparatus includes a braking controller individually controlling braking forces of braking devices for left and right front and rear wheels, a side collision detector detecting a side collision against a vehicle, and a yaw behavior detector detecting yaw behavior of a vehicle body. If the yaw behavior detected after the side collision is such that a rear of the vehicle body shifts away from a collision side relative to a front thereof, the braking controller executes yaw amplification control to cause the braking device for the collision-side front wheel to generate a braking force larger than the remaining wheels. If the detected yaw behavior is such that the front shifts away from the collision side relative to the rear, the braking controller executes the yaw amplification control to cause the braking device for the collision-side rear wheel to generate a braking force larger than the remaining wheels.

Abstract: A vehicle controller includes a collision detector, a braking controller, a motional state detector, and a minor collision determiner. The collision detector is configured to detect a collision between a vehicle and another object. The braking controller is configured to cause a braking device of the vehicle to generate a braking force in accordance with the detecting of the collision by the collision detector. The motional state detector is configured to detect a motional state of the vehicle. The minor collision determiner is configured to determine, based on an output from the motional state detector, that a minor collision occurs that is a collision not detected by the collision detector. The braking controller is configured to cause the braking device to generate the braking force if the collision detector does not detect the collision and the minor collision determiner determines that the minor collision occurs.

Abstract: A vehicle control apparatus includes a contact detector, an attitude stabilization processor, and a steering intention determining unit. The contact detector is configured to detect a contact of a vehicle with an object. The attitude stabilization processor is configured to execute an attitude stabilization control that generates a yaw moment at a vehicle body on the basis of a deviation between a target yaw rate and an actual yaw rate. The steering intention determining unit is configured to determine a presence of a driver's intention to perform steering. The attitude stabilization processor is configured to stop the generation of the yaw moment by the attitude stabilization control or reduce the yaw moment to be generated by the attitude stabilization control, in a case where the steering intention determining unit determines that the driver's intention to perform the steering is absent after the detection of the contact by the contact detector.

Abstract: A control portion (10) of a network equipment (1) attempts, when connected to other equipment, connection by using a predetermined communication parameter through communication portions (11, 12), and in a case that the communication is not established, the control portion (10) executes negotiation and establishes communication with the other equipment by using an agreed communication parameter.

Abstract: A virtual image display apparatus includes a first display device for a right eye, a second display device for a left eye, and an adjustment device configured to adjust display positions, and the first display device and the second display device are configured to guide imaging light in a second direction intersecting a first direction in which the first display device and the second display device are aligned, and display the first image and the second image and the adjustment device makes an adjustment to provide an overlapping area in which the first image and the second image are visually recognized in the overlapping area and an independent area in which the first image and the second image are visually recognized independently.

Abstract: A display device or optical module includes a display element that emits image light, an imaging optical system as a light guide optical device that has non-axial symmetry in a predetermined direction and forms an exit pupil by light guiding of the image light from the display element, and a light-shielding member disposed between the display element and the imaging optical system, wherein the light-shielding member has a light-shielding part disposed to overlap an unused region in which an image is not displayed in a display region of the display element.

Abstract: Provided is a display module including a display element, and a light-guiding optical device that guides image light emitted from the display element to form an exit pupil, in which the light-guiding optical device is an off-axis optical system. The off-axis optical system includes a first optical surface, a second optical surface, a first light-shielding portion, the first light-shielding portion being formed at the first optical surface, and a second light-shielding portion, the second light-shielding portion being formed at the second optical surface, in which the first light-shielding portion exposes, through a first aperture, a part of the first optical surface, and the second light-shielding portion exposes, through a second aperture, a part of the second optical surface, the first aperture and the second aperture having mutually different shapes.

Abstract: A virtual image display apparatus includes a display device (image forming unit), a lens configured to refract imaging light from the display device, a first mirror member configured to reflect imaging light that passed through the lens, a second mirror member being a refractive reflective optical member configured to reflect the imaging light reflected by the first mirror member, and a third mirror member of a transmissive type configured to reflect the imaging light reflected by the second mirror member toward a position of an exit pupil. The refractive reflective optical member includes, across a refractive member, a refractive surface and a mirror surface. The lens and the refractive reflective optical member are integrated as a composite member.

Abstract: A virtual image display device includes an image element configured to display an image, a first lens disposed in an extraction position of image light and including at the image element side thereof a convex surface, a second lens disposed further toward the image element side than the first lens and including a concave surface bonded to the convex surface of the first lens, a half mirror provided in a bonding portion for bonding together the convex surface and the concave surface, a transmission/reflection selection member provided at a light emitting side of the first lens and configured to selectively perform transmission or reflection of the light depending on a polarization state of the light, and a light-guiding portion keeping close contact between the image element and the second lens and configured to guide the image light.

Abstract: A virtual image display apparatus according to the present disclosure includes a first display module, a second display module, and a coupling portion having an adjustable structure. The adjustable structure adjusts the first display module with respect to the second display module at least a relative rotational position and relative positions in longitudinal and depth directions.

Abstract: A display device includes an image element, a prism mirror that receives image light emitted from the image element through a light incident surface, reflects the image light with an inner reflection surface, and emits the image light from a light emission surface, and a see-through mirror that reflects the image light emitted from the prism mirror toward a pupil position, wherein the prism mirror emits the image light incident from a front to be bent in a direction inclined with respect to the front, and a light emission side of an image source that includes the image element and the prism mirror is covered with a light transmission window that blocks dust.

Abstract: A secondary battery protection circuit for protecting a secondary battery, including: a low-voltage detecting circuit configured to detect a voltage across the secondary battery that is lower than a second voltage for low voltage detection, the second voltage being set to be lower than a first voltage for overdischarge detection; and a switching circuit configured to cause a gate of a charge control NMOS transistor to be fixed at a potential at a high side power supply terminal, upon detecting, by the low-voltage detecting circuit, that the voltage across the secondary battery is lower than the second voltage for low voltage detection.

Abstract: A display device includes an image element, a prism mirror configured to cause imaging light emitted from the image element to be incident on a light incident surface, to reflect the imaging light by an inner reflection surface, and to emit the imaging light from a light emission surface, thereby emitting the imaging light so that the imaging light is returned in an inclined direction, a see-through mirror configured to reflect the imaging light emitted from the prism mirror toward a pupil position, and a basic aperture diaphragm configured to limit the passage of the imaging light incident on the light incident surface of the prism mirror.

Abstract: An optical module according to the present disclosure includes a display element, a first optical member, a second optical member, a third optical member, and an adhesive joints the first optical member and the second optical member. A first optical member includes a first positioning portion that performs a positioning with respect to a second optical member and the second optical member includes a second positioning portion that performs a positioning with respect to the first optical member.

Abstract: A virtual image display apparatus includes a display device (image forming unit), a first mirror member configured to reflect imaging light from the display device, a second mirror member configured to reflect imaging light reflected by the first mirror member, and a third mirror member of a transmissive type configured to reflect imaging light reflected by the second mirror member toward a position of an exit pupil. One of the first mirror member and the second mirror member is a refractive reflective optical member that includes a refractive member including a refractive surface, and a mirror surface formed at a non-refractive surface of the refractive member.

Abstract: A head-mounted display includes a display device, a projection optical member, a prism member, and a light condensing and reflecting surface. The prism member includes a first prism, and a second prism that is disposed further toward an exit pupil side than the first prism. The first prism includes an incident surface, a reflection surface that totally reflects the image light, and a first joining surface that is joined with the second prism via a semi-transmissive reflection surface. The second prism includes a second joining surface that is joined with the first joining surface, and an opposing flat surface that is disposed parallel to the reflection surface to face the reflection surface and configured to transmit the image light, reflected by the semi-transmissive reflection surface and then by the light condensing and reflecting surface and thereafter passing through the semi-transmissive reflection surface.