Abstract: A control unit of a light source device after activation time is configured to turn on switches respectively connected in series with light sources, in prescribed order. The light source device and a lighting device are configured to transmit characteristics of the light sources, based on a voltage change depending on a pattern of on and off of the switches.

Abstract: This lighting apparatus includes three or more LEDs arranged in a row. Each of the LEDs emits light of a color different from that of an LED adjacent to itself, and the LEDs include an LED having a relatively wide light distribution angle and others of the three or more LEDs each having a relatively narrow light distribution angle. The one LED is arranged in an inner portion in the row of the other LEDs. In this configuration, light emitted from the one LED is mixed well with lights emitted from the respective other LEDs adjacent to the one LED, and thus, color unevenness of illuminating light can be reduced.

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: The lighting device according to the present invention includes: a power source configured to supply power to a light source having a plurality of regions; a plurality of cooling devices arranged corresponding to the plurality of regions to cool the plurality of regions, respectively; and a cooling control circuit configured to control the plurality of cooling devices. The cooling control circuit includes: a plurality of output circuits configured to supply drive voltages to the plurality of cooling devices by use of power from the power source to drive the plurality of cooling devices, respectively; a plurality of temperature measurement circuits configured to respectively measure temperatures of the plurality of regions; and an output control circuit configured to regulate 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: In a parking lock control device of a vehicle of the present invention, when a parking lock activation compound is outputted, either one of the parking lock mechanisms is activated. When the steering wheel is steered to a right hand side, the left side parking lock mechanism is activated. When the steering wheel is steered to a left hand side, the right side parking lock mechanism is activated. Thus, power consumption is suppressed. In a case where the vehicle moves when only the one parking lock mechanism is activated, the other parking lock mechanism is also activated.

Abstract: An object of the invention is to provide a switch device, which achieves high expandability, high layout freedom, and low losses. A switch device of an embodiment includes a splitter unit, a first switch unit, a second switch unit, a fiber array which connects the splitter unit to the two switch units, and a control board. The fiber array includes multiple optical fibers bundled in an arrayed fashion. At an end of the fiber array on the splitter unit side, all the optical fibers are bundled into one and connected to the splitter unit. At an end of the fiber array on the switch unit side, the multiple optical fibers are divided into two groups and formed into two sub-fiber arrays, which are connected to the first switch unit and the second switch unit, respectively.

Abstract: According to an aspect, an electronic device includes: a first housing having a first display unit; a second housing having a second display unit; a detecting unit; and a control unit. The detecting unit detects a first form in which the first display unit is exposed to the outside and the second display unit is covered by the first housing and a second form in which the first and second display units are exposed to the outside. Then the detecting unit detects a change in the form of the electronic device from the first form to the second form, the control unit activates a function corresponding to a selected object among objects displayed on the first display unit, and displays a screen corresponding to the function on the second display unit.

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: 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 lighting device includes: a DC power source circuit; an output control circuit including a chopping switch to adjust an output current by chopping of the chopping switch; light source switches respectively connected to the light sources; and a control unit for controlling a time period for which a current flows in the light sources. The control unit controls the output control circuit such that an operation period for which the chopping is conducted and a stop period for which the chopping is stopped are repeated alternately and performs switchover of the light source switches to be sequentially and selectively turned on, and the switchover is conducted during the stop period with a time interval from a beginning of the stop period.

Abstract: Disclosed are a portable electronic device and a method for controlling the portable electronic device wherein it is possible to use an application enabling an easy input of characters. The portable electronic device is provided with a starting unit, a display unit, a detection unit, and a control unit. The starting unit starts the application enabling the input of characters. The display unit displays a screen based on the application. The detection unit detects a contact to the display unit. The control unit causes the starting unit to start the application when identifying, while a standard screen is displayed on the display unit, the track of the contact to the display unit according to the contact to the display unit detected by the detection unit and determining from the detected track of the contact that characters are being inputted.

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: 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 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: 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 mobile phone terminal (electronic device) includes a first touch panel and a second touch panel for displaying an object corresponding to an executable function and detect a touch on the object. The mobile phone terminal also includes a control unit that, in a state where the object is displayed on the first touch panel or the second touch panel, when the touch on the object is detected and then a movement of the touch is detected and if the first touch panel or the second touch panel is in a movement direction of the touch, displays a screen provided by a function corresponding to the object on the first touch panel or the second touch panel in the movement direction of the touch.

Abstract: An illumination apparatus includes light sources differing from one another in terms of light-emission color and voltage drop when identical current flows therein, switches in one-to-one correspondence with the light sources, a DC power supply circuit, and a control circuit. The control circuit performs a first control of the switches through a time division control method such that an on-period of each switch is not overlapped with that of any other switch. The control circuit also performs a second control to individually control at least one of a target current magnitude, flowing through each switch in the switched-on state, and a target on-period length of each switch, and to adjust a ratio of the plurality of light sources in terms of a product of the target current magnitude and the target on-period length.

Abstract: A portable electronic device has a display part (16) which can display a plurality of selection items; an operation part (12) for selecting the selection item displayed on the display part (16); and a control part (18) which switches the selection item to other selection item selected from the selection items displayed on the display part (16) by operation of the operating part (12). The control part (18) has a function of changing the switching speed of the selection item selected by the operation of the operation part (12) in accordance with display mode of each of the selection items displayed on the display part (16). Thus, usability is improved by, for instance, changing a scroll speed for the continuous selection operation.

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: This lighting apparatus includes three or more LEDs arranged in a row. Each of the LEDs emits light of a color different from that of an LED adjacent to itself, and the LEDs include an LED having a relatively wide light distribution angle and others of the three or more LEDs each having a relatively narrow light distribution angle. The one LED is arranged in an inner portion in the row of the other LEDs. In this configuration, light emitted from the one LED is mixed well with lights emitted from the respective other LEDs adjacent to the one LED, and thus, color unevenness of illuminating light can be reduced.