Abstract:
An electrophotographic image forming apparatus is provided including a body including an opening, a photoreceptor cartridge attached to, or detached from, the body through the opening and including a mounting portion, a development cartridge attached to, or detached from, the mounting portion through the opening when the photoreceptor cartridge is mounted in the body, and a cover opening or closing the opening and fixing the development cartridge to the mounting portion by pressurizing the development cartridge while the opening is closed.
Abstract:
An electronic system electronic device includes: an internal battery, an external battery, a memory and a plurality of function modules. The internal battery is configured to generate a first power signal. The external battery is configured to be separated from the electronic device, and to generate a second power signal. The memory is configured to operate based on the first power signal. The plurality of function modules are configured to operate based on the second power signal.
Abstract:
A power supply device and a display system including the same are provided. A power supply device according to the disclosure is disposed so as to be spaced apart from a display device and supplies power to the display device, and includes a first power supplier which supplies power to the display device through a cable in a wired manner, a second power supplier which supplies power to the display device in a wireless manner, a detector for detecting whether the power supply device is connected to the display device through the cable, and a processor configured to control the second power supplier in a state in which the display device and the power supply device are disconnected, such that power is supplied in the wireless manner, and control the first power supplier based on detecting connection between the display device and the power supply device, such that power is supplied in the wired manner.
Abstract:
A view sensor, a home control system including the view sensor, and a method of controlling the home control system are provided. The view sensor includes: a lens unit configured to receive light in order to capture an image or project light in order to display the image; an image acquirer configured to acquire the image by using the light received from the lens unit; a projector configured to provide light to the lens unit in order to display the image; a beam splitter configured to provide the image acquirer with the light received from the lens unit or transmit the light generated by the projector to the lens unit; and a controller configured to, in response to the image being captured, control the beam splitter to provide the image acquirer with the light received from the lens and, in response to the image being displayed, control the beam splitter to provide the lens unit with the light generated by the projector.
Abstract:
A display apparatus and a control method which displays an image based on an image signal transmitted from the outside are provided. The display apparatus includes a display which generates light in a plurality of colors and displays an image; a signal receiver which receives an image signal; a signal processor which processes the received image signal in order to display an image based on the image signal; and a controller which analyzes the image signal received by the signal receiver and obtains color reproduction feature information of the image signal, and changes each color distribution of light generated by the display to display an image in a color which corresponds to the color reproduction feature information obtained, based on the image signal.
Abstract:
A thermoelectric material includes a stack structure including alternately stacked first and second material layers. The first material layer may include a carbon nano-material. The second material layer may include a thermoelectric inorganic material. The first material layer may include a thermoelectric inorganic material in addition to the carbon nano-material. The carbon nano-material may include, for example, graphene. At least one of the first and second material layers may include a plurality of nanoparticles. The thermoelectric material may further include at least one conductor extending in an out-of-plane direction of the stack structure.
Abstract:
A cartridge unit to discharge toner via a toner outlet and an electrophotographic image forming apparatus are provided. The cartridge unit includes a shutter unit movable between an opening position in which the toner outlet is opened and a closing position in which the toner outlet is closed in a first direction, and a lever unit movable in a second direction across the first direction, and connected to the shutter unit such that the shutter unit moves in the first direction when the lever unit moves in the second direction.
Abstract:
An electrophotographic image forming apparatus may include a toner supply unit comprising a toner containing unit and a toner discharging unit having a toner outlet; a photoreceptor unit comprising a photoreceptor; a development unit comprising a development roller that supplies toner to develop the electrostatic latent image on the photoreceptor and a supply roller that supplies toner to the development roller; a first toner supply member that supplies toner of the toner containing unit to the toner discharging unit; and a second toner supply member that transports toner of the toner discharging unit to the toner outlet, wherein the first toner supply member is located in a second quadrant from among first through fourth quadrants based on a vertical line and a horizontal line which intersect at the second toner supply member, and wherein the photoreceptor, the supply roller, and the development roller are located in the fourth quadrant.
Abstract:
An electrophotographic image forming apparatus is provided including a body including an opening and a first coupler, a photoreceptor cartridge including a second coupler connected to the first coupler, a first gear connected to the second coupler, and a mounting portion, and attached to or detached from the body through the opening; and a development cartridge including a second gear connected to the first gear and attached or detached from the mounting portion through the opening while the photoreceptor cartridge is mounted in the body.
Abstract:
A light emitting diode (LED) driving apparatus includes a DC-DC converter which provides a driving voltage to a plurality of LED arrays; a plurality of switching units, each of the switching units being connected in series to a corresponding LED array of the plurality of LED arrays and varying a size of a driving current to flow in the corresponding LED array of the plurality of LED arrays; and a control unit which, in order for each of the switching units to operate within a predetermined headroom voltage range, calculates a driving current of each of the plurality of LED arrays and a duty cycle of the switching units corresponding to each of the plurality of LED arrays, and controls the plurality of switching units based on the calculated driving current and the calculated duty cycle.