Abstract: An electronic device includes a housing, frame, and a lock attachment mechanism. The housing includes a front cabinet, and back cabinet which has opening and is attached to the front cabinet. The frame is disposed in the inside of the housing. The lock attachment mechanism includes lock attachment portion and hook portion. The lock attachment portion includes a pull-out portion with a hole disposed therein, and a leg portion protruding from the pull-out portion. The hook portion includes fixing portions attached to frame, and grappling portions that hook the leg portion with the pull-out portion being pulled out, and that form a gap through which the pull-out portion can be pulled out. The device further includes back cabinet having a holder. The holder restricts a movable range of lock attachment portion and holds the leg portion such that lock attachment portion is disposed at a location which allows the pull-out portion to be pulled out through opening.

Abstract: The present invention provides a switch device for an optical signal which has high extendibility and which can suppress an increase of loss in extension. A switch device in one embodiment of the present invention includes, in a housing, four splitter portions, four switch portions, and extension splitter portions. The splitter portions are connected to path-side ports, the switch portions are connected to client-side ports, and the splitter portions and the switch portions are connected to one another via shuffle fiber arrays. One ends of the extension splitter portions are connected to path-side extension ports, and the other ends thereof are connected to client-side extension ports. The number of wavelengths processable by the switch device can be easily changed by changing a connection state of optical fibers to the path-side ports, the client-side ports, the path-side extension ports, and the client-side extension ports.

Abstract: The lighting device according to the present invention includes a power supply circuit, a temperature detection circuit, and a temperature control circuit. The power supply circuit supplies operation power to a light source including a solid state light emitting device. The temperature detection circuit measures a surrounding temperature of the light source and outputs the measured surrounding temperature as a detection temperature. The temperature control circuit determines whether an increase rate of the surrounding temperature exceeds a predetermined criterion value. When determining that the increase rate exceeds the criterion value, the temperature control circuit performs a process of decreasing a temperature of the light source.

Abstract: An electronic ballast includes an AC-DC converter, a DC-DC converter, a cooling device and a power supply. The cooling device is configured to cool the light source. The power supply includes a first power supply configured to generate a first operating voltage from a first voltage obtained from a chopper circuit included in the AC-DC converter to supply the first operating voltage to at least one of the AC-DC converter and the DC-DC converter. The power supply further includes a second power supply configured to generate a second operating voltage from a second voltage obtained from the chopper circuit to supply the second operating voltage to at least the cooling device of the AC-DC converter, the DC-DC converter and the cooling device.

Abstract: A lighting device includes: a plurality of DC power supply circuits. A plurality of light sources and switching units are connected to each of the DC power supply circuits, the switching units being configured to respectively switch electrical connection between the light sources and said each of the DC power supply circuits. A difference in rated voltage between any two light sources connected to one of the plurality of DC power supply circuits in common is smaller than a difference in rated voltage between two light sources respectively connected to different DC power supply circuits of the plurality of DC power supply circuits.

Abstract: A controller has a first mode and a second mode. First mode is of generating a PWM signal that has a duty ratio to be changed according to a luminous level for a light emitting element and has a constant amplitude. Second mode is of generating a PAM signal that has a constant duty ratio and has an amplitude to be changed according to the luminous level for the light emitting element. Controller is configured to apply one of PWM signal in first mode and PAM signal in second mode to a control terminal of a switching element, when the luminous level is a predetermined level or more. Controller is configured to apply the other of PWM signal in first mode and PAM signal in second mode to the control terminal of the switching element, when the luminous level is less than the predetermined level.

Abstract: A device, includes: a touch screen display; and a controller configured to, when the touch screen display detects that a physical body has moved in a predetermined direction while contacting with the touch screen display, cause an object on which a text is inputtable to be displayed on a screen displayed on the touch screen display along a trajectory of the moving.

Abstract: An apparatus for recognizing a lane is provided. The apparatus performs a near-field white line recognition process and calculates road parameters (lane position, lane inclination, lane curvature and lane width) near the vehicle. The road parameters are calculated using the extended Kalman filter. In the calculation, the calculated lane curvature is used as a lane curvature to be included in predicted values. The apparatus outputs the calculated road parameters to a warning/vehicle-control apparatus.

Abstract: In first mode, controller is configured, when receiving a dimming instruction signal, to control voltage-adjusting part to provide a DC voltage with a magnitude corresponding to a luminous level, across output ends of DC power supply, and apply a control voltage with a magnitude kept constant to a control terminal of switching element. In second mode, controller is configured, when receiving the dimming instruction signal, to apply the control voltage with a magnitude corresponding to luminous level to the control terminal of switching element, and control voltage-adjusting part to provide the DC voltage with a magnitude kept constant, across the output ends of DC power supply. Controller is configured to operate in one of first and second modes when luminous level is predetermined level or more, and in the other of first and second modes when luminous level is less than predetermined level.

Abstract: An object of the present invention is to provide a switch unit for optical signals which is capable of reducing an area required for arrangement and reducing manufacturing costs, and a switch apparatus including the switch unit. A switch unit 30 according to one embodiment of the present invention includes two optical switch arrays 34a, 34b arranged to face in opposite directions and in parallel on a substrate. The two optical switch arrays extend along a surface of a chip, and each have four optical switches 31 arranged in parallel. Such a configuration makes it possible to reduce the size of the switch unit because in an excess region of one of the optical switch array, the other optical switch array is disposed.

Abstract: A mobile device includes a touch screen display including an acceptance area to accept a touch; and a controller configured to control function of the mobile device on the basis of the touch. When the touch includes at least one first touch at periphery of the acceptance area, the controller is configured to suspend function of the mobile device corresponding to the at least one first touch.

Abstract: In order to suppress power consumption, in a parking lock control device of a vehicle of the present invention, when a parking lock activation command is outputted, either one of right or left parking lock mechanism is activated. When it is estimated or detected that the vehicle moves in a state in which only the one parking lock mechanism is activated, the other parking lock mechanism is activated.

Abstract: A lighting system includes a lighting apparatus provided along one side of an aisle and a specular reflection plate provided along the other side of the aisle to reflect the light emitted from the lighting apparatus toward a region where the lighting apparatus is provided. According to the above configuration, the lighting apparatus can illuminate the region where the lighting apparatus is provided. Therefore, it is possible to effectively illuminate a cabin of an aircraft with less lighting apparatuses as compared to conventional lighting apparatuses which are provided along both sides of the aisle. Moreover, since the number of the lighting apparatuses can be reduced, it is possible to improve fuel efficiency of the aircraft by reducing the total weight of the aircraft.

Abstract: A lighting device includes: first and second power feed terminals between which a light source of a light source device is configured to be electrically connected; a power supply circuit having output ends electrically connected respectively to the first and second power feed terminals and configured to output a DC power across the first and second power feed terminals; a control circuit configured to control the power supply circuit; and at least one identifying terminal for identifying a rated current of a light source. The control circuit is configured to identify a rated current of a light source connected between the first and second power feed terminals by detecting whether the identifying terminal is in floating state or not, and to control the power supply circuit so as to supply a current corresponding to the identified rated current through the first and second power feed terminals.

Abstract: A lighting apparatus includes a light source module and a power supply module. The light source module includes an electrical light source and a transmitter circuit configured to transmit a wireless signal containing information about the light source. The power supply module is connected to the light source module and includes a power supply circuit configured to generate electric power for the light source, a receiver circuit configured to receive the wireless signal transmitted from the transmitter circuit, and a control circuit configured to control the power supply circuit in accordance with the wireless signal received through the receiver circuit.

Abstract: In a parking lock control device of a vehicle of the present invention, when a parking lock activation command is outputted, either one of parking lock mechanisms is activated. In this state, a movement of the vehicle is estimated or detected, and when the vehicle movement is a predetermined amount or more, the parking lock control device generates a torque that suppresses the vehicle movement by the motor connected to the other parking lock mechanism. Power consumption associated with the parking lock is then suppressed.

Abstract: The lighting device of the present invention includes: a power source configured to supply power to a plurality of light sources; and a cooling control circuit configured to control a plurality of cooling devices for respectively cooling the plurality of light sources. The cooling control circuit includes a power supply circuit, a plurality of output circuits, a plurality of temperature measurement circuits, and an output control circuit. The power supply circuit outputs a constant voltage by use of power from the power source. The output circuits receive the constant voltage from the power supply circuit and supply drive voltages to the plurality of cooling devices respectively. The temperature measurement circuits measure temperatures of the plurality of light sources respectively. The output control circuit regulates the drive voltages respectively supplied from the plurality of output circuits based on the temperatures respectively measured by the plurality of temperature measurement circuits.

Abstract: A depth signal generation apparatus includes a depth signal estimation unit, a depth signal histogram generator, and a depth signal level converter. The depth signal estimation unit estimates a depth signal for each pixel of a predetermined unit in a video image signal. The depth signal histogram generator divides a range of a depth signal level which the depth signal can have, into depth signal level regions each having a predetermined range size, determines which depth signal level region includes the depth signal for each pixel, counts the number of pixels included in each depth signal level region to generate depth signal histogram data according to the count value. The depth signal level converter generates a depth signal level conversion curve according to the depth signal histogram data and generates a depth signal after level conversion by executing depth signal level conversion according to the depth signal level conversion curve.

Abstract: An electronic device includes a housing, frame, and a lock attachment mechanism. The housing includes a front cabinet, and back cabinet which has opening and is attached to the front cabinet. The frame is disposed in the inside of the housing. The lock attachment mechanism includes lock attachment portion and hook portion. The lock attachment portion includes a pull-out portion with a hole disposed therein, and a leg portion protruding from the pull-out portion. The hook portion includes fixing portions attached to frame, and grappling portions that hook the leg portion with the pull-out portion being pulled out, and that form a gap through which the pull-out portion can be pulled out. The device further includes back cabinet having a holder. The holder restricts a movable range of lock attachment portion and holds the leg portion such that lock attachment portion is disposed at a location which allows the pull-out portion to be pulled out through opening.

Abstract: A lighting device includes a power conversion unit, an impedance adjustment unit, a first control unit, and a second control unit. The power conversion unit is configured to convert input power to direct-current power used for a light source. The impedance adjustment unit is formed of a series circuit of a resistor element and a switch element and is coupled to the light source in parallel, relative to the power conversion unit. The second control unit is configured to cause the power conversion unit to operate, for each burst cycle, for an operation period which is not longer than the burst cycle, and increase and reduce the ratio of the operation period to the burst cycle. The first control unit is configured to make the switch element conductive for a predetermined adjustment period which is not longer than the operation period, during the operation period.